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Read the article and select the best answer. Article: When a person travels over long distances, the place may not be the only change. When his or her body rhythms get thrown off, he or she suffers from jet lag -- it's hard to sleep and eat at the right times in the new location. Humans and animals have a biological clock in their body that tells them when to sleep, and when to wake. When someone comes to a different place far away, this biological clock takes a while to match the day and night time of the new place. In a new study, reported in November's Science News, researchers at the University of California, Berkeley tested the effects of jet lag on hamsters . They wanted to know how serious jet lag would affect the brain and thinking habits of the animals. They think what happens to hamsters may happen to humans, too. In their experiments, the researchers first moved the hamsters' schedules forward by six hours. The animals' eating schedules, for example, were changed. If a hamster was often fed at noon and 4 pm, then it ate at 6 pm and 10 pm on the new schedule. People who travel from China to Europe experience the same shift, since the two regions are about six hours apart, half the shift between China and the USA. After three days, the scientists did it again - they shifted the hamsters' schedules forward by another six hours. Three days after that, they did it again; and then again three days later. For a full month, the scientists changed the hamsters' routines every three days. During the study, the hamsters slept the same amount every day as they did before the study. However, their sleep patterns had a hard time keeping up with the changing schedule. What's more, they seemed to feel low. The researchers also found that the hamsters had trouble with basic learning exercises during the study. The animals' thinking problems didn't go away when the experiment was over. A month after they went back living on a normal schedule, the hamsters still had trouble with basic mental tasks, such as learning and memory. The scientists concluded that serious... Question: Which of the following was NOT a true effect of jet lag on hamsters according to the text? Options: A: They got a weaker memory. B: They were in low spirits. C: They slept more than before. D: They became slow in learning.
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C

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Read the article and select the best answer. Article: "China now has 350 million smokers, accounting for one-third of the world total. Chinese smokers now become addicted to nicotine at the age of 19, five years earlier than the average starting age of 24 in 1997," a report said a couple of years ago. Of the 1.1 billion smokers all over the world. more than 800 million are in developing countries. And as the world's largest developing country, China also has the largest number of smokers. Some frightening facts start to appear when we examine who China's smokers are. Of the 350 million addicts, more than 100 million are under the age of 18, while more than 50 percent of male teachers and doctors are smokers. Such a high rate of addicts among male teachers and doctors will certainly have a bad impact on the young generation. Teachers are usually expected to be role models for students who tend to consider whatever they do is right and follow their example. It is very likely that the number of teenage smokers will increase in the near future unless measures are taken to forbid teachers from smoking in front of their students or designate schools as no-smoking zones. What is truly puzzling is why so many doctors smoke. They are aware of the results of the habit, such as high blood pressure and lung cancer. Their example only helps justify the addiction of so many others. If educated people set an example by stopping smoking at least in public places. it would be much easier to drive home the notion that it is uncivilized to smoke in public places. In China, there should also be a national law to ban smoking in public places. These would make a massive contribution to cutting the number of people in China who are smoking themselves into early grave. Question: Which of the following can serve as the best title for the passage? Options: A: Time to Kick the Habit B: China Bans Smoking in Public Places C: Smokers in China D: Make People Aware of Smoking
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A

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Read the article and select the best answer. Article: Jeanette Rankin was born on a ranch in Montana,USA in 1882.In those days,Montana was still a frontier state,and life there was hard.Men and women shared the difficult outdoor work.But young Jeanette noticed men and women were not equal in many ways.For instance, at election time, women were not allowed to vote.Jeanette thought this was not fair, and several years later, after graduating from college, she realized how to help change the situation. First, she joined with other women.and gave speeches through the state.Thanks to their years of efforts, Montana women were finally allowed to vote.This experience changed Jeanette's life.She wanted do work for the welfare of women and children everywhere.She was now well-known throughout Montana, so she decided to run for the US Congress.In 1916,she became the first woman in the Congress of the United Staters. Just six days after Rankin first attended Congress in 1917,American President Wilson called for a vote to go to war against Germany, as German submarines attacked American ships during World War I.When Jeanette was called upon to vote,she said,"I want to stand by my country, buy I cannot vote for war.I vote no."Forty-nine other congress members also voted no,but she was the person who was criticized most.Newspapers said her decision came from weakness and she was anti-American. In the Second World War, Japanese warplanes attacked the American base at Pearl Harbor in 1941.The time came again for the US Congress members to vote for or against going to war.Everyone was waiting for Jeanette Rankin to vote, who rose and said,"As a woman, I can't go to war, so I refuse to send anyone else".Out of 471 members,she was the only member who voted against war.After that,she received thousands of letters.Most people criticized her, but some praised her for her courage. Shortly before she died in 1973, she was asked if she regretted voting "no"to the two wars."Never,"she answered."If you are against war,you're against war regard less of what happens." Today, in the US... Question: She decided to run for the US Congress because _ . Options: A: She wanted to become famous throughout the USA B: She hated was C: She wanted to help more women and children D: She was a born politician
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C