MikaStars39/nano-eval huggingface dataset:
Under the severe international situation, Mao Zedong and the Chinese Communists, mainly represented by him, realized the extreme importance and urgency of independently developing

Options:
A. advanced missile technology
B. civilian technology
C. nuclear bomb research
D. cutting-edge military technology
E. advanced missile systems
F. advanced military technology
G. cutting-edge military strategies
H. advanced military equipment
I. artificial satellite
J. advanced military strategy
Answer: D
Abuse of administrative power to exclude and restrict competition is one of the monopolistic acts regulated by China's Anti-monopoly Law. Which of the following options are correct for this behavior?

Options:
A. The subject of implementing administrative monopoly is limited to administrative organs and may include some other entities, but excludes non-profit organizations
B. The subject of implementing administrative monopoly is limited to administrative organs and does not include other entities
C. The subject of implementing administrative monopoly is limited to administrative organs and may include some other entities in specific circumstances, but not private enterprises
D. The subject of implementing administrative monopoly is limited to administrative organs but may include some other entities in specific circumstances
E. The regulation of this behavior by Anti-monopoly Law is limited in the field of commodity circulation and bidding
F. The subject of implementing administrative monopoly is limited to administrative organs and may include some other entities in specific circumstances
G. The subject of implementing administrative monopoly shall not include the central government departments
H. The subject of implementing administrative monopoly is not limited to administrative organs
I. The subject of implementing administrative monopoly includes only administrative organs and does not extend to other entities
J. Administrative monopoly regulated by Anti-monopoly Law includes both concrete administrative act and abstract administrative act
Answer: H
Severe puerperal infection that can form a 'frozen pelvis' is

Options:
A. Acute vaginitis
B. Acute pelvic lymphadenitis
C. Acute pelvic peritonitis
D. Acute pelvic cellulitis
E. Acute endometritis
F. Acute pelvic perivascular inflammation
G. Acute pelvic fasciitis
H. Acute pelvic lymphangitis
I. Acute pelvic connective tissue inflammation
J. Acute myometritis
Answer: I
A primiparous woman, 24 years old, at 39 weeks of gestation, with normal appetite, was admitted to the hospital due to abdominal pain starting at 20:00 last night. She did not sleep all night after admission. This morning, during the ward round, she appeared fatigued. Uterine contractions were 10-20 seconds/10-35 minutes, weak in intensity. Rectal examination revealed fetal position LOA, not engaged, cervix dilated 1 cm, anterior amniotic sac not prominent, no abnormalities in pelvic measurement. The most appropriate management is

Options:
A. fluid support therapy
B. soap water enema
C. 125mg pethidine intramuscular injection
D. artificial rupture of membranes
E. 100mg pethidine intramuscular injection
F. 75mg pethidine intramuscular injection
G. 50mg pethidine intramuscular injection
H. 150mg pethidine intramuscular injection
I. 80mg pethidine intramuscular injection
J. intravenous oxytocin infusion
Answer: E
If an `n`-order square matrix `A` can be orthogonally similar diagonalized, then matrix `A` ( )

Options:
A. `A` is a skew-symmetric matrix
B. `A` is a normal matrix but not necessarily symmetric
C. `A` is a positive definite matrix
D. `A` is a skew-Hermitian matrix
E. `A` is a symmetric matrix
F. `A` is an orthogonal matrix
G. must have `n` distinct eigenvalues
H. `A` is a normal matrix
I. `A` is a diagonal matrix
J. `A` is a Hermitian matrix
Answer: E
Assuming a company becomes a mature enterprise in ten years, growing at an annual rate of 5%, with a cost of capital of 7% (reflecting its mature state), and reinvesting 30% of its earnings in the business to maintain growth, given that the post-tax operating profit is 0.8 billion, please calculate the terminal value. (Assume the return on capital remains at 10%)

Options:
A. 2.5 billion
B. 2.8 billion
C. 2.75 billion
D. 2.2 billion
E. 2.6 billion
F. 2.85 billion
G. 2.9 billion
H. 2.7 billion
I. 2.3 billion
J. 2.4 billion
Answer: B
Among the following real matrices, which one does not have real eigenvalues?

Options:
A. Real upper triangular matrix
B. Fourth-order zero skew-symmetric matrix
C. Fifth-order non-zero skew-symmetric matrix
D. Fourth-order non-zero skew-symmetric matrix
E. Second-order non-zero skew-symmetric matrix
F. Odd-order skew-symmetric matrix
G. Sixth-order non-zero skew-symmetric matrix
H. Third-order non-zero skew-symmetric matrix
I. Third-order zero skew-symmetric matrix
J. Real symmetric matrix
Answer: E
Integral $\int_{a}^{2a}{\frac{\sqrt{{x}^{2}-{a}^{2}}}{{x}^{4}}}dx=$

Options:
A. $0$
B. $\frac{\sqrt{3}}{14a^2}$
C. $rac{3}{8a^2}$
D. $\frac{\sqrt{3}}{12a^2}$
E. $\frac{\sqrt{3}}{8a^2}$
F. $\frac{\sqrt{3}}{10a^2}$
G. $\frac{\sqrt{3}}{16a^2}$
H. $rac{\sqrt{3}}{4a^2}$
I. $\frac{\sqrt{3}}{6a^2}$
J. $\frac{\sqrt{3}}{24a^2}$
Answer: E
In response to the phenomenon of differences or even opposition in moral requirements for students between family education and school education in our country, the moral education principle that should be emphasized is ( ).

Options:
A. Combining the promotion of positive factors with overcoming negative factors
B. Consistency and continuity of educational influence
C. Positive inspiration and active guidance
D. Consistency and integration of educational influence
E. Linking theory with practice
F. Combining family and community moral standards
G. Consistency and integration of educational methods
H. Consistency and integration of educational standards
I. Consistency and integration of educational practices
J. Combining family and school moral standards
Answer: B
Opening up to the outside world is a fundamental national policy of our country. Promoting reform and development through openness is an important strategy for our country's modernization to continuously achieve new successes. To form a new pattern of comprehensive opening up, it is necessary to ( )

Options:
A. Adhere to proactive opening up, taking opening up as an intrinsic requirement for development, and more actively and proactively expanding opening up to the outside world
B. Adhere to strategic opening up, taking opening up as a strategic choice for development, and expanding opening up to the outside world in a targeted and strategic manner
C. Adhere to proactive opening up, taking opening up as an intrinsic requirement for development, and more selectively and cautiously expanding opening up to the outside world
D. Adhere to win-win opening up, relying on land, tax, and other preferential policies to attract investment
E. Adhere to two-way opening up, better combining bringing in with going out to expand economic space
F. Adhere to cautious opening up, taking opening up as a necessary but cautious requirement for development, and expanding opening up to the outside world with careful consideration
G. Adhere to comprehensive opening up, promoting a pattern of opening up that links domestic and foreign regions and benefits both eastern and western directions
H. Adhere to cautious opening up, taking opening up as a necessary but cautious requirement for development, and expanding opening up to the outside world with a focus on risk management
I. Adhere to gradual opening up, taking opening up as a supplementary strategy for development, and expanding opening up to the outside world at a steady pace
J. Adhere to selective opening up, taking opening up as a conditional requirement for development, and more selectively and cautiously expanding opening up to the outside world
Answer: A
After retirement, Mr. Wang always feels that life is meaningless. According to Erikson's theory of social development, he is in the ( ) stage of development.

Options:
A. Ego integrity vs. self-doubt
B. Basic trust vs. mistrust
C. Ego integrity vs. mistrust
D. Autonomy vs. shame and doubt
E. Intimacy vs. isolation
F. Ego integrity vs. inferiority
G. Despair vs. ego integrity
H. Ego integrity vs. despair
I. Ego integrity vs. stagnation
J. Ego integrity vs. dispair
Answer: G
For the management of institutional income through the fiscal special account return method, when the financial accounting recognizes the institutional income that should be remitted to the fiscal special account, it credits

Options:
A. Fiscal Special Account Payable
B. Accounts Payable to the Treasury
C. Bank Deposit
D. Institutional Income
E. Accounts Receivable
F. Amounts Payable to the Treasury
G. Fiscal Special Account Receivable
H. Accounts Payable
Answer: F
The particular solution of the differential equation (y''-3y'-4y=0) that satisfies the initial conditions (y|_{x=0}=0), (y'|_{x=0}=-5) is ( ).

Options:
A. (y=e^{-x}-e^{4x})
B. (y=-e^{-x}+2e^{4x})
C. (y=e^{-x}+e^{4x})
D. (y=e^{-x}-2e^{4x})
E. (y=-e^{-x}-e^{4x})
F. (y=-e^{-x}+e^{4x})
G. (y=-e^{-x}+3e^{4x})
H. (y=-e^{-x}+e^{3x})
I. (y=-e^{-x}-2e^{4x})
J. (y=e^{x}+e^{4x})
Answer: A
The national security situation of the first 30 years of the People's Republic of China was ( )

Options:
A. Development outweighed security, the situation was easing but complex
B. Security outweighed development, the overall situation was cautiously tense
C. Nuclear war was imminent
D. Security was balanced with development, the situation was stable but cautious
E. Security and development were balanced, the overall situation was cautiously managed
F. Security and development were balanced, the overall situation was cautiously severe
G. Security and development were equally prioritized, the situation was tense but manageable
H. Class struggle was intense
I. Security outweighed development, the overall situation was severe
J. Security outweighed development, the overall situation was cautiously severe
Answer: I
In 1824, utopian socialist Owen purchased 30,000 acres of land in the United States and established many "communes," implementing a system where everyone worked and distribution was based on need. However, these "communes" soon disintegrated, and the fundamental reason for this was?

Options:
A. Exceeding the historical stage of development
B. The communes were too large to manage effectively
C. The members' ideological awareness was too low
D. The communes were not aligned with the economic conditions of the time
E. The communes were ahead of the technological advancements of the time
F. The communes were not aligned with the social and cultural norms of the time
G. People did not understand socialism
H. The communes were not aligned with the economic and social conditions of the time
I. Insufficient support from the local government and community
J. Lack of substantial subsequent funds and personnel training
Answer: A
The first kind of discontinuity point of the function $f(x) = \frac{{({\rm{e}}^x + x)\tan x}}{{x({\rm{e}}^{\frac{1}{x}} - {\rm{e}})}}$ on the interval $[-{\rm{\pi}},{\rm{\pi}}]$ is $x=$

Options:
A. \frac{\pi}{6}
B. 0
C. -rac{m{\pi}}{2}
D. 1
E. rac{m{\pi}}{2}
F. -\frac{\pi}{3}
G. -\frac{\pi}{4}
H. \frac{\pi}{4}
I. -1
J. \frac{\pi}{3}
Answer: B
The following program: #include &lt;cstring&gt; #include&lt;iostream&gt;using namespace std; class MyString{public:MyString(const char *s);~MyString() {delete []data;} protected:unsigned len;char * data;};MyString::MyString(const char *s){len = strlen(s);data = new char[len+1];strcpy(data,s);}int main(){MyString a("C++ Programming");MyString b(a);return 0;} When running the above program, an error occurs, the reason for the error is ( ).

Options:
A. The copy constructor is defined but does not correctly handle the allocation of memory for the string
B. The copy constructor is defined but does not correctly handle the length of the string
C. The copy constructor is defined but does not correctly handle the null terminator
D. The system cannot generate a default copy constructor
E. The copy constructor is not defined at all
F. The copy constructor is defined but does not correctly handle dynamic memory allocation
G. The destructor does not properly handle the dynamic memory allocation
H. A copy constructor that implements deep copy (deep copying) is not defined
I. The actual parameter type does not match the formal parameter type when constructing object a
J. The constructor's actual parameter cannot be an object of this class
Answer: H
If $A,B,C$ are three random events, and $A$ is independent of $C$, $B$ is independent of $C$, then the sufficient and necessary condition for $A \cup B$ to be independent of $C$ is ( )

Options:
A. $A \cap B$ is mutually exclusive with $C$
B. $A \cup B$ is independent of $C$
C. $A \cup B$ is mutually exclusive with $C$
D. $AB$ is mutually exclusive with $C$
E. $A \cap B$ is independent of $C$
F. $A$ and $B$ are mutually exclusive
G. $A$ is independent of $B$
H. $A \cap B$ is independent of $A \cup B$
I. $A$ and $B$ are independent of each other and $C$
J. $AB$ is independent of $C$
Answer: J
In the automatic adjustment mechanism of the balance of payments under a fixed exchange rate system, ( ) can affect both the current account and the capital and financial account simultaneously.

Options:
A. Cash Balance Adjustment Mechanism
B. Exchange Rate Adjustment Mechanism
C. Money-Price Flexibility Mechanism
D. Money-Price Flow Mechanism
E. Price-Specie Flow Mechanism
F. Interest Rate Adjustment Mechanism
G. Exchange Rate Flexibility Mechanism
H. Money-Price Mechanism
I. Money-Flow Adjustment Mechanism
J. Money-Price Adjustment Mechanism
Answer: F
A 47-year-old woman, usually in good health, experienced severe headache after an argument, accompanied by dizziness, facial flushing, red eyes, irritability, red tongue, yellow coating, and wiry rapid pulse. Which of the following groups of acupoints should be selected for treatment:

Options:
A. Neiguan, Taichong, Zhongwan, Fenglong
B. Yintang, Neiting, Hegu, Xianyu
C. Taiyang, Waiguan, Qihai, Zusanli
D. Baihui, Fengchi, Taichong, Hegu
E. Baihui, Fengchi, Touwei, Hegu
F. Fengchi, Houxi, Ashixue, Touwei
G. Baihui, Fengchi, Touwei, Taichong
H. Baihui, Fengchi, Touwei, Neiting
I. Baihui, Fengchi, Touwei, Neiguan
J. Baihui, Fengchi, Taichong, Zusanli
Answer: G
The main mechanism of SGLT2 inhibitors for lowering blood glucose is

Options:
A. improving insulin resistance
B. promoting renal glucose excretion
C. increasing renal glucose excretion
D. inhibiting hepatic gluconeogenesis
E. reducing renal glucose reabsorption
F. promoting insulin secretion
G. reducing renal glucose excretion
H. increasing renal glucose reabsorption
Answer: B
The non-classical MHC class I gene is ( )

Options:
A. HLA-DP1
B. HLA-B
C. HLA-G
D. HLA-A
E. HLA-DR
F. HLA-C
G. HLA-DP
H. HLA-F
I. HLA-E
J. HLA-DQ
Answer: I
Which of the following statements about the artistic characteristics of 'Elegy to My Twelfth Nephew' is correct?

Options:
A. The use of a dialogue form, changing a long-distance memorial into a face-to-face narrative, is an important feature of this elegy.
B. Ancient elegies often praise the virtues and deeds of the deceased, and are conventionally written in four-character rhymed verse. This text, however, adheres to tradition while introducing minor variations.
C. The blood and tears written in a prose style, with a simple and natural style, are truly moving.
D. The author is skilled at handling the rhythm of emotional expression, with a fluctuating pace and intensity, deeply touching the reader.
E. Ancient elegies often praise the virtues and deeds of the deceased, and are conventionally written in four-character rhymed verse. This text, however, adheres to tradition while introducing significant variations.
F. Ancient elegies often praise the virtues and deeds of the deceased, and are conventionally written in four-character rhymed verse. This text, however, adheres to tradition without introducing any new variations.
G. Ancient elegies often praise the virtues and deeds of the deceased, and are conventionally written in four-character rhymed verse. This text, however, adheres to tradition while introducing some new variations.
H. Ancient elegies often praise the virtues and deeds of the deceased, and are conventionally written in four-character rhymed verse. This text, however, adheres to tradition while introducing moderate variations.
I. Ancient elegies often praise the virtues and deeds of the deceased, and are conventionally written in four-character rhymed verse. This text, however, adheres to tradition while introducing minimal variations.
J. Ancient elegies often praise the virtues and deeds of the deceased, and are conventionally written in four-character rhymed verse. This text, however, breaks from tradition and introduces many new variations.
Answer: J
Integral $\int_{0}^{2\pi }{\frac{dx}{1+{{\cos }^{2}}x}}=$

Options:
A. $\pi$
B. $2\pi$
C. $\frac{2\pi}{\sqrt{2}}$
D. $\sqrt{2} \pi$
E. $\frac{\pi}{2} \sqrt{2}$
F. $\frac{3\pi}{2}$
G. $\frac{3\pi}{\sqrt{2}}$
H. $0$
I. $\frac{\pi}{2\sqrt{2}}$
J. $\frac{\pi}{\sqrt{2}}$
Answer: D
Given the velocity potential function of an incompressible flow in a plane \( \varphi = 0.04x^3 + axy^2 + by^3 \), where the units of \( x \) and \( y \) are m, and the unit of \( \varphi \) is m^2/3, and the density of the fluid is 1000 kg/m^3, then (

Options:
A. the velocity at point A (0, 0) is 0.05 m/s
B. the velocity at point A (0, 0) is 0.01 m/s
C. the velocity at point A (0, 0) is 0.10 m/s
D. the pressure at point B (3, 4) is 4500.0 Pa
E. the velocity at point B (3, 4) is 2.90 m/s
F. the velocity at point B (3, 4) is 2.80 m/s
G. the pressure difference between point A (0, 0) and point B (3, 4) is 4500.0 Pa
H. the velocity at point B (3, 4) is 3.00 m/s
I. the velocity at point A (0, 0) is 0
J. the pressure at point A (0, 0) is 0
Answer: I
The fundamental reason for the failure of the Self-Strengthening Movement lies in ( ).

Options:
A. The movement was primarily focused on military reform, neglecting other critical areas of modernization
B. The movement's focus on Western technology was primarily to enhance the economic and military power of the Qing Dynasty, not to modernize the country
C. The Western technology learned was outdated, time-consuming, and costly, yielding no results
D. The movement's focus on Western technology was primarily to strengthen the military and suppress internal rebellions, not to modernize the country
E. Failed to address the land issues of peasants, thus not gaining public support
F. The movement's reliance on foreign advisors and experts led to a lack of self-sufficiency and long-term sustainability
G. The movement's focus on Western technology was primarily to enhance the military capabilities of the Qing Dynasty, not to modernize the country
H. Learning advanced Western technology was merely to maintain the feudal autocratic rule of the Qing Dynasty
I. The movement's focus on Western technology was primarily to enhance the economic power of the Qing Dynasty, not to modernize the country
J. Infringed upon the interests of the conservative faction, leading to their interference and sabotage
Answer: H
The correct statement about the World Systems Theory is

Options:
A. World Systems Theory (World system theory) is primarily marked by the four-volume work "The Modern World System" published by American scholar Immanuel Wallerstein in 1974.
B. World Systems Theory (World system theory) is primarily marked by the three-volume work "The Modern World System" published by American scholar Immanuel Wallerstein in 1974.
C. World Systems Theory (World system theory) is primarily marked by the three-volume work "The Modern World System" published by American scholar Immanuel Wallerstein in 1973.
D. World Systems Theory (World system theory) is primarily marked by the three-volume work "The Modern World System" published by American scholar Immanuel Wallerstein in 1977.
E. The analytical unit and object of World Systems Theory is not the world, but regional systems
F. World Systems Theory (World system theory) is primarily marked by the two-volume work "The Modern World System" published by American scholar Immanuel Wallerstein in 1974.
G. Wallerstein's World Systems Theory divides the world into two parts: the southern peripheral countries and the northern developing countries
H. World Systems Theory (World system theory) is primarily marked by the three-volume work "The Modern World System" published by American scholar Immanuel Wallerstein in 1976.
I. World Systems Theory (World system theory) is primarily marked by the three-volume work "The Modern World System" published by American scholar Immanuel Wallerstein in 1975.
J. World Systems Theory, as a theory and methodology, mainly emerged in the 1970s in the UK
Answer: B
The interaction closely related to the generation of the second signal for B cell activation is ( )

Options:
A. The interaction between CD4 molecules and MHC class II molecules
B. The interaction between CD40L and CD86 molecules
C. The interaction between CD40L and CD40 molecules
D. The interaction between CD40 and CD40L molecules
E. The interaction between CD40 and CD86 molecules
F. The interaction between CD40L and CD80 molecules
G. The interaction between CD40 and CD80 molecules
H. The interaction between IL-2 and IL-2R
I. The interaction between B7 molecules and CD28 molecules
Answer: C
Let (A, B) and (C) be n-order square matrices, and (ABC = E), then ( )

Options:
A. (BAC = E)
B. (CAB = C)
C. (ABC = E)
D. (BCA = E)
E. (BAC = C)
F. (AB = E)
G. (CAB = E)
H. (ACB = E)
I. (BAC = B)
J. (CBA = E)
Answer: D
A female patient, pregnant for the first time with no previous deliveries, has a smooth labor process. The cervix has been fully dilated for one hour, and the fetal head is visible. The fetal heart rate monitoring shows early deceleration. The appropriate management in this situation is

Options:
A. Continue observation with frequent fetal heart rate monitoring
B. Immediate cesarean section
C. Intrauterine pressure catheter placement
D. Assisted delivery with forceps
E. Continue observation
F. Intravenous oxytocin infusion
G. Intravenous oxytocin infusion with close monitoring
H. Intravenous administration of a tocolytic agent
I. Intravenous magnesium sulfate infusion
J. Intramuscular oxytocin injection
Answer: E
For the deduplicate() algorithm, the worst-case time complexity for the vector scale n is:

Options:
A. $Theta(n \log_2 n)$
B. $Theta(n \\log_2 n^2)$
C. $Theta(nlog_2(n))$
D. $Theta(nlog_2n)$
E. $Theta(nlog_2(n^2))$
F. $Theta(n \log_2 n^3)$
G. $Theta(n^2 \log_2 n)$
H. $Theta(1)$
I. $Theta({n}^{2})$
J. $Theta(n)$
Answer: I
Which of the following statements about Escherichia coli topoisomerase is correct?

Options:
A. Aids in the elimination of supercoils ahead of the replication fork in DNA molecules
B. Aids in the formation of supercoils behind the replication fork in DNA molecules
C. Aids in the formation of supercoils ahead of the replication fork in DNA molecules
D. Catalyzes the connection of the two ends of a nick in the DNA double helix
E. Separates the two daughter DNA strands topologically by breaking phosphodiester bonds
F. Aids in the elimination of supercoils behind the replication fork in DNA molecules
G. Improves the extension of DNA polymerase by disrupting hydrogen bonds and base stacking
H. Forms topological connections between the two daughter strands by hydrolyzing ATP
Answer: A
The cause of necrosis in the intestinal wall lymph nodes and the formation of ulcers during the 2nd to 3rd week of enteric fever is

Options:
A. the action of immunotoxins
B. the action of enterotoxins
C. hypersensitivity reaction
D. bacterial invasiveness
E. the action of exotoxins
F. the action of cytotoxins
G. the action of endotoxins
H. the action of immunomodulators
I. the action of bacterial enzymes
J. the action of immunomodulators and cytotoxins
Answer: C
In the following situations, the tax authority has the right to determine the taxpayer's taxable amount:

Options:
A. legally can set up accounting books but has not done so due to a lack of resources
B. legally can set up accounting books but has not done so due to negligence
C. legally can set up accounting books but chooses not to
D. has a record of tax evasion or tax fraud
E. legally can set up accounting books but has not done so due to a lack of understanding
F. legally can set up accounting books but has not done so due to a lack of trained personnel
G. has not registered for tax as required
H. legally can not set up accounting books
I. the tax base declared by the taxpayer is obviously low, and there is no justifiable reason
J. legally can set up accounting books but has not done so due to a legal dispute
Answer: H
A 63-year-old male with a 34-year smoking history presents with dyspnea, especially during expiration, and is diagnosed with emphysema. Which of the following conditions has occurred in the patient's lungs?

Options:
A. reduced lung compliance
B. reduced functional residual capacity
C. increased residual volume
D. reduced residual volume
E. increased functional residual capacity
F. decreased chest wall compliance
G. increased chest wall compliance
H. increased elastic recoil
I. reduced elastic recoil
J. increased lung compliance
Answer: J
The interaction between the economic base and the superstructure constitutes the contradictory movement of both, which is extremely complex in actual operation. Specifically, it is manifested in

Options:
A. In the relationship between economic bases and superstructures of the same nature, the imperfect parts of the superstructure, and the parts that reflect the requirements of the economic base, will be in partial contradiction with the economic base.
B. In the relationship between economic bases and superstructures of the same nature, the imperfect parts of the superstructure, and the parts that do not reflect the requirements of the economic base, will be in partial contradiction with the economic base.
C. When a social form is in its declining period, the superstructure is not adapted to the objective requirements of the transformation of the economic base, and the contradiction becomes antagonistic and global.
D. In the relationship between economic bases and superstructures of different natures, the contradictions between the dominant economic base and the remnants of the old superstructure, the sprouts of the future superstructure, the contradictions between old and new superstructures, and the contradictions between old and new economic bases, etc.
E. In the relationship between economic bases and superstructures of the same nature, the imperfect parts of the superstructure, and the parts that do not reflect the requirements of the economic base, will be in harmony with the economic base.
F. In the relationship between economic bases and superstructures of the same nature, the imperfect parts of the superstructure, and the parts that do not reflect the requirements of the economic base, will be in partial contradiction and partial harmony with the economic base.
G. In the relationship between economic bases and superstructures of the same nature, the imperfect parts of the superstructure, and the parts that do not reflect the requirements of the economic base, will be in contradiction with the economic base.
H. When a social form is in its ascending stage of development, the superstructure is generally adapted to the economic base.
I. In the relationship between economic bases and superstructures of the same nature, the imperfect parts of the superstructure, and the parts that do not reflect the requirements of the economic base, will be in partial harmony with the economic base.
J. In the relationship between economic bases and superstructures of the same nature, the imperfect parts of the superstructure, and the parts that reflect the requirements of the economic base, will be in contradiction with the economic base.
Answer: G
The effect of expansionary fiscal policy on aggregate demand is ( )

Options:
A. Price level remains unchanged, aggregate demand increases
B. Price level decreases, aggregate demand increases
C. Aggregate demand remains unchanged, price level increases
D. Aggregate demand increases at the same price level
E. Price level increases, aggregate demand decreases
F. Price level and aggregate demand both increase
G. Higher prices at the same level of aggregate demand
H. Aggregate demand remains unchanged, price level decreases
I. Price level remains unchanged, aggregate demand decreases
J. Price level remains unchanged, aggregate demand slightly increases
Answer: D
In the MAN-B / W-S-MC/MCE main engine pneumatic control system, when the control lever B in the central control room is in the "START" position, one of the purposes of pressurizing the stop valve 64 is to .

Options:
A. the fuel cut-off and stop air circuit continues to have control air, and does not supply fuel
B. the fuel cut-off and stop air circuit continues to have no control air, and does not supply fuel
C. the fuel cut-off and stop air circuit intermittently has control air, and intermittently does not supply fuel
D. the fuel cut-off and stop air circuit continues to have control air, and starts to supply fuel
E. the fuel cut-off and stop air circuit alternates between having control air and supplying fuel
F. the fuel cut-off and stop air circuit intermittently has control air, and intermittently supplies fuel
G. the fuel cut-off and stop air circuit intermittently has control air, and does not supply fuel
H. the fuel cut-off and stop air circuit alternates between having control air and not supplying fuel
I. the fuel cut-off and stop air circuit continues to have control air, and intermittently supplies fuel
J. the fuel cut-off and stop air circuit continues to have no control air, and starts to supply fuel
Answer: A
Kobe Power Co., Ltd. rewards its outstanding employees with 100 newly developed motorcycles. The cost of each motorcycle is 4320 yuan, the national average profit margin of motorcycles is 6%, and the consumption tax rate is 3%. How much consumption tax should Kobe Power Co., Ltd. pay for this period?

Options:
A. 14162.48 yuan
B. 14162.50 yuan
C. 14162.49 yuan
D. 12960 yuan
E. 14162.46 yuan
F. 25920 yuan
G. 13956.47 yuan
H. 14162.40 yuan
I. 14162.47 yuan
J. 27475.2 yuan
Answer: I
A patient, Wang XX, was admitted to the hospital with the chief complaint of "fever and headache for 4 days." Physical examination: pharyngeal redness, no enlargement of tonsils, scattered petechiae on the soft palate, and erythema on the neck and anterior chest. The patient had been living in Thailand for half a year before the onset of the disease and returned to Xi'an from Thailand a week ago. Laboratory tests: white blood cells 18×10^9/L, platelets 31×10^9/L, proteinuria 3+, and both IgM and IgG antibodies for hemorrhagic fever with renal syndrome were negative. What should be the primary diagnosis for this patient?

Options:
A. Chikungunya fever
B. Malaria
C. Leptospirosis with proteinuria
D. Leptospirosis with thrombocytopenia
E. Upper respiratory tract infection
F. Leptospirosis
G. Zika virus infection
H. Lyme disease
I. Dengue fever
J. Leptospirosis with thrombocytopenia and proteinuria
Answer: I
The mitogen that can stimulate the proliferation of human B cells in vitro is

Options:
A. PHA
B. Old Tuberculin
C. PPD-LPS
D. PPD
E. PPD-PHA
F. ConA
G. PPD-PWM
H. LPS
I. PWM
J. PPD-ConA
Answer: I
A 26-year-old female, 50 days amenorrhea followed by slight vaginal bleeding and mild pain in the right lower abdomen. This morning, she suddenly experienced a tearing pain in the right lower abdomen. Examination: blood pressure 90/60mHg, pale face, slightly distended lower abdomen, obvious tenderness in the right lower abdomen, no significant muscle tension, positive shifting dullness on percussion. Gynecological examination: slightly enlarged and soft uterus, a tender mass in the right adnexal area with unclear boundaries, slightly full posterior fornix of the vagina, and tenderness. Laboratory tests: positive urine pregnancy test, Hb 96g/L. At this time, the most valuable auxiliary examination method is

Options:
A. posterior fornix puncture of the vagina
B. ultrasound examination
C. ultrasound examination with Doppler
D. ultrasound examination with Doppler and transabdominal probe
E. ultrasound examination with transabdominal probe
F. ultrasound examination with transvaginal probe
G. ultrasound examination with Doppler and transvaginal probe
H. blood routine and CRP examination
I. diagnostic curettage
J. abdominal X-ray examination
Answer: A
Regarding the uniform plane electromagnetic field, which of the following statements is correct?

Options:
A. At any moment, the electric field and magnetic field are equal on the same phase plane
B. At any moment, the electric field and magnetic field are equal in magnitude but not on the same phase plane
C. At any moment, the magnetic field is equal at all points
D. At any moment, the electric field and magnetic field are equal in magnitude but on a phase plane shifted by a quarter wavelength
E. At any moment, the electric field is equal at all points
F. At any moment, the electric field and magnetic field are equal in magnitude but not necessarily on the same phase plane
G. At any moment, the electric field and magnetic field are equal in magnitude but on different phase planes
H. At any moment, the electric field and magnetic field are equal in magnitude but on the same phase plane
I. At any moment, the electric field and magnetic field are equal in magnitude but on a phase plane shifted by a half wavelength
J. Select both A and B
Answer: A
Let \( A \) be an \( m \times n \) matrix, then for the homogeneous linear equation system \( Ax = 0 \), the conclusion is ( ).

Options:
A. If \( A \) has a non-zero \( (n-1) \)-order minor, then the equation system has only the trivial solution.
B. If \( A \) has a non-zero \( (n+1) \)-order minor, then the equation system has only the trivial solution.
C. If \( A \) has a non-zero \( (n+1) \)-order minor, then the equation system has non-trivial solutions.
D. When \( m \ge n \), the equation system has only the trivial solution
E. If \( A \) has a non-zero \( (n-2) \)-order minor, then the equation system has only the trivial solution.
F. If \( A \) has a non-zero \( (n-1) \)-order minor, then the equation system has non-trivial solutions.
G. If \( A \) has a non-zero \( (n-2) \)-order minor, then the equation system has non-trivial solutions.
H. When \( m < n \), the equation system has non-trivial solutions, and the basis of the solution set contains \( n - m \) linearly independent solution vectors
I. If \( A \) has a non-zero \( n \)-order minor, then the equation system has only the trivial solution.
J. If all \( (n-1) \)-order minors are non-zero, then the equation system has only the trivial solution
Answer: I
Mr. Wen Yiduo said: 'A more profound cosmic consciousness, a deeper, vaster, and more tranquil realm! In the face of the magical eternity, the author can only be stunned, without yearning or sorrow. The finite and the infinite, the emotional and the unemotional, the poet and eternity suddenly meet, and at first sight, they start to converse.' This statement expresses his understanding of which of the following poets?

Options:
A. Du Fu
B. Du Mu
C. Li Bai
D. Zhang Ruoxu
E. Wang Wei
Answer: D
The lyricist who played a pivotal role in the development of Ci (a form of poetry) from "shi yu" to become the representative literature of the Song Dynasty is (____)

Options:
A. Wen Tingyun
B. Li Jing
C. Wei Zhuang
D. Su Shi
E. Li Bai
F. Li Qingzhao
G. Li Yu
Answer: G
Differential amplifier circuits are designed to _____.

Options:
A. improve signal-to-noise ratio
B. reduce the input offset voltage
C. increase the amplification factor
D. improve power efficiency
E. suppress temperature drift
F. add one more stage of amplification
G. increase the input resistance
H. reduce the output impedance
I. circuit structure and parameter symmetry
J. use two input terminals
Answer: E
A male, 18 years old, with slender limbs and high myopia. Chest X-ray shows fusiform aneurysmal dilation of the ascending aorta. In addition to the diastolic sighing murmur heard in the second aortic area, which of the following murmurs can also be heard on cardiac auscultation?

Options:
A. Diastolic rumbling murmur at the apex of the heart
B. Diastolic blowing murmur at the left sternal border, fourth intercostal space
C. Systolic rumbling murmur at the apex of the heart
D. Systolic murmur at the left sternal border, fourth intercostal space
E. Diastolic rumbling murmur at the left sternal border, second intercostal space
F. Systolic murmur in the pulmonary valve area
G. Diastolic rumbling murmur at the left sternal border, third intercostal space
H. Diastolic blowing murmur at the apex of the heart
I. Systolic blowing murmur in the tricuspid area
J. Systolic ejection murmur at the apex of the heart
Answer: A
On January 3, 1984, the Italian Canepa wrote to Engels, asking him to inscribe a motto for the inaugural issue of the New Era weekly, which was about to be published in Geneva. He requested that the motto be as concise as possible, expressing the basic idea of the future socialist era, to distinguish it from the great poet Dante's definition of the old era as "some rule, others suffer." Engels replied that it would be: "In place of the old bourgeois society with its classes and class antagonisms, we shall have a community in which the free development of each is the condition for the free development of all." This statement indicates that the fundamental value goal pursued by Marxism is ( )

Options:
A. establishing a kingdom of reason characterized by freedom, equality, and fraternity
B. achieving eternal and universal human values
C. achieving the free and all-round development of individuals within a classless society
D. achieving the free and all-round development of society
E. achieving the free and all-round development of individuals within a class-based society
F. establishing a world of universal brotherhood
G. establishing a society where everyone has equal opportunities and rights
H. achieving the free and all-round development of human beings
I. achieving the free and all-round development of individuals within a structured society
J. establishing a society where everyone has equal wealth and status
Answer: H
The monotonic decreasing interval of the function $f(x) =x^{1/2}-x^{2/3}$ is

Options:
A. $[0,\\frac{4^6}{3^5}]$
B. $[\\frac{3^6}{4^6},\\infty]$
C. $[0,\\frac{3^5}{4^5}]$
D. $[\\frac{4^6}{3^6},\\infty]$
E. $[0,\\frac{3^5}{4^6}]$
F. $[0,\\frac{4^6}{3^6}]$
G. $[0,\\frac{4^6}{3^7}]$
H. $[0,\frac{3^6}{4^6}]$
I. $\mathbb{R}$
J. $\mathbb{R}^+$
Answer: B
\( \int_{0}^{2}{\frac{dx}{{(x^{2}-2x+2)}^{2}}} \) = ( )

Options:
A. \(\frac{\pi}{4}-\frac{1}{4} \)
B. \(\frac{\pi}{4}+\frac{1}{4}\)
C. \(\frac{\pi}{4}+\frac{1}{3} \)
D. \(\frac{\pi}{4}+\frac{1}{3}\)
E. \( rac{\pi}{2}+rac{1}{4} \)
F. \( rac{\pi}{2}-rac{1}{4} \)
G. \frac{\pi}{4}-\frac{1}{3}
H. \frac{\pi}{4}-\frac{1}{2}
I. \( rac{\pi}{4}-rac{1}{2} \)
J. \( \frac{\pi}{4}+\frac{1}{2} \)
Answer: J
If the antenna's F(φ)=|sinφ/φ|, then the side lobe level is ()

Options:
A. -17.8dB
B. -13.8dB
C. -14.5dB
D. -14.0dB
E. -13.0dB
F. -16.5dB
G. -13.5dB
H. -12.5dB
I. -23dB
J. -15.8dB
Answer: G
Let ${,{{f}_{n}}{(x)=}{e}^{n(x-1)}{,}{0}lt{x}lt{1}}$, then ${,{{f}_{n}}{(x)}}$ on (0,1) ( )

Options:
A. converges uniformly on a subset of [0,1)
B. converges uniformly on (0,1) but not on the boundary
C. converges uniformly on (0,1) but not on (0,1]
D. converges uniformly
E. not necessarily
F. converges uniformly on a subset of (0,1)
G. does not converge
H. converges but not uniformly
I. converges uniformly on (0,1) but not on (0,1)
J. converges uniformly on (0,1) but not on the entire real line
Answer: H
In January 1930, Mao Zedong wrote in "A Spark Can Start a Prairie Fire": "When I say that the high tide of the Chinese revolution is about to come, I do not mean, as some people do, that it is merely a possibility without practical significance, something that can be seen but not touched. It is like a ship whose masthead can already be seen from the shore, or the sun rising in the east, whose rays are already visible from the peak of a mountain, or a baby about to be born, stirring in its mother's womb." This passage was directed at the then existing

Options:
A. the skepticism about the long-term viability of the revolutionary movement in urban areas
B. the uncertainty about the revolutionary movement's ability to withstand international intervention
C. the belief in the inevitability of immediate nationwide revolution
D. the idea of 'victory in one or several provinces first'
E. the uncertainty about the revolutionary movement's ability to spread to the cities
F. the concern over the sustainability of the revolutionary movement in rural areas
G. the doubt about how long the red flag can continue to fly
H. the uncertainty about the revolutionary movement's ability to sustain itself in the face of continuous counter-revolutionary attacks
I. the theory of 'first winning the masses nationwide and then establishing a government'
J. the proposal of 'repelling the enemy at the national gate'
Answer: G
The marker of the modern proletariat emerging as an independent political force on the historical stage is

Options:
A. the formation of the first workers' councils in Europe
B. the birth of Marxist philosophy
C. the founding of the first labor unions in Europe
D. the outbreak of the economic crisis in 1825
E. the establishment of proletarian political parties
F. The rise of the three major workers' movements in Europe
G. the establishment of the first workers' mutual aid societies in Europe
H. the publication of the Communist Manifesto
I. the founding of the first workers' cooperatives in Europe
J. the establishment of the first workers' cooperatives in Europe
Answer: F
The organic composition of capital refers to ( ).

Options:
A. the capital's value composition determined by and reflecting changes in the production and technical composition
B. the capital's value composition determined by and reflecting changes in the capital's physical composition
C. the capital's value composition determined by and reflecting changes in the capital's technical and physical composition
D. the capital's value composition determined by and reflecting changes in the organic composition
E. the capital's technical composition determined by and reflecting changes in the value composition
F. the capital's value composition determined by and reflecting changes in the production composition
G. the capital's value composition determined by and reflecting changes in the capital's physical and technical composition
H. the ratio of means of production to labor power
I. the capital's value composition determined by and reflecting changes in the technical composition
J. the ratio of fixed capital to circulating capital
Answer: I
For the detection of a deterministic signal with unknown amplitude in Gaussian white noise, which of the following statements is correct?

Options:
A. Compared to the optimal detector, the signal-to-noise ratio (SNR) loss is significant
B. When the sign of the amplitude is known, the detector is a uniformly most powerful unbiased (UMPU) detector
C. When the sign of the amplitude is known, the detector is a uniformly most powerful unbiased (UMPU) detector with a significant SNR loss
D. When the sign of the amplitude is known, the detector is a uniformly most powerful (UMP) detector with a negligible SNR loss
E. When the sign of the amplitude is known, the detector is a uniformly most powerful unbiased (UMPU) detector with a slight SNR loss
F. When the sign of the amplitude is unknown, the detector is a uniformly most powerful (UMP) detector
G. When the sign of the unknown amplitude is uncertain, the detector is a uniformly most powerful (UMP) detector
H. Compared to the optimal detector, the signal-to-noise ratio (SNR) loss is negligible
I. When the sign of the amplitude is known, the detector is a uniformly most powerful (UMP) detector
J. When the sign of the amplitude is unknown, the detector is a uniformly most powerful unbiased (UMPU) detector
Answer: I
In Marx's view, what is the cause of economic crises?

Options:
A. The intrinsic contradiction between productivity and capital relations
B. The imbalance between production and consumption due to income distribution
C. Decline in the general rate of profit
D. The intrinsic contradiction between labor and productivity relations
E. Insufficiency of natural demand
F. Proportional relationship between different sectors of production
G. Insufficient consumption with the ability to pay
H. Limitation of money supply
I. The intrinsic contradiction between labor and capital relations
J. The intrinsic contradiction between production methods and market demand
Answer: A
Determine the convergence of the series $sumlimits_{n=1}^{infty }{frac{{(-1)}^{n-1}}{sqrt{n}}}$:

Options:
A. Conditionally converges but not absolutely
B. Conditionally converges
C. Absolutely converges but not conditionally converges
D. Uncertain, but shows signs of conditional convergence
E. Uncertain
F. Absolutely converges but conditionally
G. Does not converge
H. Absolutely converges but not conditionally
I. Absolutely converges
J. Absolutely converges and conditionally converges
Answer: B
When there is a decrease in the strength of the extensor hallucis longus muscle, the herniated intervertebral disc is

Options:
A. L5-4
B. L5-S2
C. L2-3
D. L5-S1
E. L4-L5
F. L4-5
G. L3-4
H. L5-L4
I. L1-2
J. L5-L3
Answer: F
A 40-year-old male. 20 years ago, he had tuberculosis, otherwise healthy. In the past 3 months, he has had a stimulating cough, occasionally with blood streaks in sputum, and sometimes fever. X-ray shows: a 2C.m×2.5C.m mass shadow in the anterior segment of the right upper lobe, with irregular and lobulated margins. Sputum cytology was negative on three occasions. The primary diagnosis to consider is

Options:
A. Lung adenocarcinoma
B. Lung abscess
C. Lung metastasis
D. Lung cyst
E. Tuberculosis
F. Tuberculoma
G. Bronchitis
H. Lung cancer
I. Pulmonary fibrosis
J. Lung carcinoma
Answer: H
This classic discourse, 'Mountains and rivers often derive their names from outstanding people; without Su Gong's visit, Chibi would have been just a mere rock. After Su Gong visited, even with its desolate terraces and withered trees, Chibi became a famous mountain.' is attributed to which ancient literary figure?

Options:
A. Su Shi
B. Tang Yin
C. Qin Guan
D. Huang Tingjian
E. Wang Anshi
F. Su Zhe
G. Dong Yining
Answer: G
Weak cough, shortness of breath with low voice, thin and white sputum, occasionally with blood, tidal fever in the afternoon, spontaneous sweating and night sweats, poor appetite and fatigue, loose stools, pale complexion, red cheeks, tender red tongue with tooth marks on the sides, thin coating, fine and rapid pulse, the differential diagnosis is ()

Options:
A. Yin and Yang Deficiency
B. Qi and Yin Deficiency
C. Yin Deficiency with Exuberant Fire
D. Qi and Blood Deficiency
E. Lung Yin Deficiency
F. Qi and Blood Deficiency with Heat
G. Lung Qi and Yin Deficiency
H. Lung Qi and Yang Deficiency
I. Lung Qi and Blood Deficiency
J. Lung and Kidney Yin Deficiency
Answer: B
In a one-dimensional infinite potential well, \( V(x) = \begin{cases} 0, & |x| < a \\ \infty, & |x| > a \end{cases} \), the energy levels of a particle in this potential well can be derived from the quantization condition as:

Options:
A. \(E=\frac{\hbar^2\pi^2n^2}{8ma^2}\)
B. \(E=\frac{\hbar^2\pi^2n^2}{18ma^2}\)
C. \(E=\frac{\hbar^2\pi^2n^2}{10ma^2}\)
D. \(E=\frac{\hbar^2\pi^2n^2}{9ma^2}\)
E. \(E=rac{\hbar^2\pi^2n^2}{4ma^2}\)
F. \(E=\frac{\hbar^2\pi^2n^2}{16ma^2}\)
G. \(E=\frac{\hbar^2\pi^2n^2}{14ma^2}\)
H. \(E=rac{\hbar^2\pi^2n^2}{2ma^2}\)
I. \(E=\frac{\hbar^2\pi^2n^2}{12ma^2}\)
J. \(E=rac{\hbar^2\pi^2n^2}{6ma^2}\)
Answer: A
Given the Z-transform of a signal is \(X(z)=\frac{-3z^{-1}}{2-5z^{-1}+2z^{-2}}\), for \(|z|>2\), the right-sided sequence \(x[n]\) is

Options:
A. \(\left[\left(\frac{1}{2}\right)^{n+1}-2^n\right]u[n] \)
B. \(\left[2^n-\left(\frac{1}{2}\right)^{n+2}\right]u[n] \)
C. \(\left[2^n-\left(\frac{1}{2}\right)^{n+1}\right]u[n] \)
D. \(\left[\left(\frac{1}{2}\right)^n-2^{n-1}\right]u[n] \)
E. \(\left[\left(rac{1}{2}ight)^n+2^night]u[n]\)
F. \(\left[2^n-\left(rac{1}{2}ight)^night]u[n]\)
G. \(\left[\left(\frac{1}{2}\right)^{n-1}-2^n\right]u[n]\)
H. \(\left[2^n+\left(-rac{1}{2}ight)^night]u[n]\)
I. \(\left[\left(\frac{1}{2}\right)^n-2^n\right]u[n]\)
J. \(\left[2^n-\left(\frac{1}{2}\right)^{n-1}\right]u[n] \)
Answer: I