Read the article and select the best answer. Article: I have nothing to say about whether or not "A Day Without Immigrants" had a positive or negative effect on the question of how the federal government should deal with the huge population of undocumented illegal immigrants in this country. I'll leave that question to others. Regardless of how you feel about the event, one conclusion is obvious. Using the theme of" A Day Without" as a way to focus national attention on a particular subject is a great idea, and could serve as a method for increasing public awareness about other issues that affect daily life in America. Here are my top three examples: "A Day Without Speeding." How hard could this be? If all drivers would strictly obey every posted speed limit on highways, downtown, on neighborhood streets, and in parking lots for one 24-hour cycle, the benefits would be huge. "A Day Without Losing Your Temper." A higher degree of difficulty here, and I know that from personal experience. When something goes wrong at home or on the job, there may be brief satisfaction in yelling or kicking the furniture, but erupting with anger usually doesn't do anything to solve the problem, and in many cases it makes the situation more unpleasant. "A Day Without Having All The Answers." I would like to get a break from hearing anyone speak the phrase, "Here's what you're doing wrong." Right now the US is jampacked with citizens who believe they can point out the cause of every single problem in existence and then solve it on the spot. I believe they need to be quiet sometimes and use their ears instead of their voices. I wonder how would average Americans react to such a collective pause? Would it be a day of angry protests, or joyful celebrations? Question: The writer suggest a day without having all the answers because _ . Options: A: he thinks the American are too proud B: he doesn't think what he is doing is wrong C: he wants others to keep quiet D: the writer is so tired that he needs a break
A

(Question)
Read the article and select the best answer. Article: Getting kids to share their toys is a never-ending battle, and forcing them to do so never seems to help. New research suggests that allowing children to make a choice to sacrifice their own toys in order to share with someone else makes them share more in the future. The new findings are published inPsychological Science. These experiments were conducted by psychological scientists, Nadia Chernyak and Tamar Kushnir of Cornell University. They found that sharing things with others when they are given a difficult choice leads children to think of themselves as people who like to share. It also makes them more likely to act in a pro-social manner in the future. Previous research has explained why rewarding children for sharing can _ . Children come to think of themselves as people who don't like to share since they had to be rewarded for doing so. Because they don't view themselves as "sharers", they are less likely to share in the future. Chernyak and Kushnir were interested in finding out whether freely chosen sacrifice might have the opposite effect on kids' willingness to share. To test this, the researchers introduced five-year-old children to Doggie, a sad puppet. Some of the children were given a difficult choice: Share a precious sticker with Doggie, or keep it for themselves. Other children were given an easy choice between sharing and putting the sticker away, while children in a third group were required by the researcher to share. Later on, all the children were introduced to Ellie, another sad puppet. They were given the option of how many stickers to share (up to three). The kids who earlier made the difficult choice to help Doggie shared more stickers with Ellie. The children who were initially faced with an easy choice or who were required to give their sticker to Doggie, on the other hand, shared fewer stickers with Ellie. Therefore, children did not benefit from simply giving something up, but rather from willingly choosing to give something up of value. "You might imagine that making... Question: We can conclude from the passage that _ . Options: A: parents will never find a way to get children to share toys B: a gift should be given to make up for children's sacrifice C: children pretend to be generous when they are being observed D: making difficult choices may influence sharing behavior
(Answer)
D

Ques: Read the article and select the best answer. Article: When a caterpillar feeds on a tomato leaf , the plant moves rapidly to meet with a defensive response , systematically releasing " proteinase inhibitors " -- proteins that interfere with the caterpillar's digestion -- throughout the plant , especially in the leaves . But how does the message get from the wounded leaf to the rest of the plant ? Most scientists believed the alarm was spread by chemical messengers until a team of researchers headed by David Weldon-- a biologist at the University of East Anglia in Norwich , England -- made a shocking discovery . An injured leaf , the researchers found , sends an electrical signal to warn neighboring leaves of upcoming danger . It's a " terribly tiny current " driven by an electrical potential difference of only 20 millvolts , says Weldon , who measured the voltage after electrodes were attached to the plant's surface . " Right now , all we can say is that there is a correlation , " Weldon notes . " If you wound the plant , you'll see an electrical signal accompanied by a biochemical response . " To learn more about the reaction , Weldon's team plans to insert electrodes within the pant tissue ( rather than on the surface ) to determine what's going on at the cellular level . The findings may help explain other mysteries surrounding plants . For example , many plants start to flower in springtime , as days grow longer , but plants sense the change in the day length through their leaves , while flowers begin to bloom at the buds . " There must be a signal from the leaf to the growing points , " Weldon says . " So far , no one has come up with a convincing chemical mechanism . Maybe an electrical signal is involved . " Question: The researchers discovered that _ Options: A: the alarm was increased by chemical messengers B: the wounded leaf raised danger signals by tiny currents C: the whole plant was aware of the risk through different signals D: proteinase inhibitors expanded the warning to the plant's surface
Ans: B

Ques: Read the article and select the best answer. Article: What is America's number one sport? Can I still say baseball? You could make that statement 30 years ago,but things have changed.Baseball of course has the richest history of all sports.But with the popularity of basketball and American football,there can now be an argument on which sport is American's number one sport. Basketball really took a turn in the1980's as Magic Johnson and Larry Bird took the NBA to another level.Of course,basketball was already popular and had seen such stars as Jerry West and Dr.J,but the real breakthrough came in the 1980's and from there it really took off with Michael Jordan into the 90's.Basketball has even become very global now as many NBA stars competed in the Olympics and faced no competition.Today,they had better be ready because there are so many talents in other countries and the competition will be stiff. Like basketball,American football has always been a favorite of many sports fans and its popularity has grown widely.The ratings that Super Bowl Sunday brings are amazing.They have even talked about making Super Bowl Sunday a national holiday. In the year 2050,basketball and American football will have history like baseball's rich history and maybe American national sport.They have been trying for years,but it is not going to happen. So what is American's number one sport? To me baseball will always be Americans' hobby--rich in history and many memories for people of all ages.If you have any comments on this subject,do give your opinions. Question: This passage mainly talks about Options: A: baseball and its history B: the most popular sport in the world C: which sport is the number one in America D: whether basketball is a global sport pastime
Ans:
C