Problem: Please answer a question about the following article about Space Race:
The United States recovered from the Apollo 1 fire, fixing the fatal flaws in an improved version of the Block II command module. The US proceeded with unpiloted test launches of the Saturn V launch vehicle (Apollo 4 and Apollo 6) and the Lunar Module (Apollo 5) during the latter half of 1967 and early 1968. Apollo 1's mission to check out the Apollo Command/Service Module in Earth orbit was accomplished by Grissom's backup crew commanded by Walter Schirra on Apollo 7, launched on October 11, 1968. The eleven-day mission was a total success, as the spacecraft performed a virtually flawless mission, paving the way for the United States to continue with its lunar mission schedule.
Who was in charge of the Apollo 7 mission on board?
A: Walter Schirra
Problem: Please answer a question about the following article about Electric motor:
Stepper motors are a type of motor frequently used when precise rotations are required. In a stepper motor an internal rotor containing PMs or a magnetically soft rotor with salient poles is controlled by a set of external magnets that are switched electronically. A stepper motor may also be thought of as a cross between a DC electric motor and a rotary solenoid. As each coil is energized in turn, the rotor aligns itself with the magnetic field produced by the energized field winding. Unlike a synchronous motor, in its application, the stepper motor may not rotate continuously; instead, it "steps"starts and then quickly stops againfrom one position to the next as field windings are energized and de-energized in sequence. Depending on the sequence, the rotor may turn forwards or backwards, and it may change direction, stop, speed up or slow down arbitrarily at any time.
What types of velocities and positions is the stepper motor capable of?
A: forwards or backwards, and it may change direction, stop, speed up or slow down
Problem: Please answer a question about the following article about Affirmative action in the United States:
In the year 2000, according to a study by American Association of University Professors (AAUP), affirmative action promoted diversity within colleges and universities. This has been shown to have positive effects on the educational outcomes and experiences of college students as well as the teaching of faculty members. According to a study by Geoffrey Maruyama and Jose F. Moreno, the results showed that faculty members believed diversity helps students to reach the essential goals of a college education, Caucasian students suffer no detrimental effects from classroom diversity, and that attention to multicultural learning improves the ability of colleges and universities to accomplish their missions. Furthermore, a diverse population of students offers unique perspectives in order to challenge preconceived notions through exposure to the experiences and ideas of others. According to Professor Gurin of the University of Michigan, skills such as "perspective-taking, acceptance of differences, a willingness and capacity to find commonalities among differences, acceptance of conflict as normal, conflict resolution, participation in democracy, and interest in the wider social world" can potentially be developed in college while being exposed to heterogeneous group of students. In addition, broadening perspectives helps students confront personal and substantive stereotypes and fosters discussion about racial and ethnic issues in a classroom setting. Furthermore, the 2000 AAUP study states that having a diversity of views leads to a better discussion and greater understanding among the students on issues of race, tolerance, fairness, etc.
What were the effects of affirmative action on universities according to the study done by the AAUP?
A: positive effects on the educational outcomes and experiences of college students
Problem: Please answer a question about the following article about Flowering plant:
The internal classification of this group has undergone considerable revision. The Cronquist system, proposed by Arthur Cronquist in 1968 and published in its full form in 1981, is still widely used but is no longer believed to accurately reflect phylogeny. A consensus about how the flowering plants should be arranged has recently begun to emerge through the work of the Angiosperm Phylogeny Group (APG), which published an influential reclassification of the angiosperms in 1998. Updates incorporating more recent research were published as APG II in 2003 and as APG III in 2009.
What internal component has undergone considerable revision?
A:
classification