单项选择题

When lab rats sleep, their brains revisit the maze they navigated during the day, according to a new study (1) yesterday, offering some of the strongest evidence (2) that animals do indeed dream. Experiments with sleeping rats found that cells in the animals’ brains fire in a distinctive pat tern (3) the pattern that occurs when they are (4) and trying to learn their way around a maze.
Based on the results, the researchers concluded the rats were dreaming about the maze, (5) re viewing what they had learned while awake to (6) the memories.
Researchers have long known that animals go (7) the same types of sleep phases that people do, including rapid-eye-movement (REM) sleep, which is when people dream. But (8) the occasional twitching, growling or barking that any dog owner has (9) in his or her sleeping pet, there’s been (10) direct evidence that animals (11) . If animals dream, it suggests they might have more (12) mental functions than had been (13) .
"We have as humans felt that this (14) of memory—our ability to recall sequences of experiences—was something that was (15) human," Wilson said. "The fact that we see this in rodents (16) suggest they can evaluate their experience in a significant way. Animals may be (17) about more than we had previously considered."
The findings also provide new support for a leading theory for (18) humans sleep—to solidify new learning. "People are now really nailing down the fact that the brain during sleep is (19) its activity at least for the time immediately before sleep and almost undoubtedly using that review to (20) or integrate those memories into more usable forms," said an assistant professor of psychiatry at Harvard Medical School.

1（）

A．did
B．does
C．would
D．will

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问答题
With living conditions in god quality, many people are trying to slim as a popular fashion. In today’s busy, modem world, it is important for one to keep fit and healthy, yet there is less time to exercise than ever before. The cartoon shows us a fat lady looking at a picture of a slender, beautiful girl. It is clear that the lady would like to be slim and beautiful, too. Although being thin is attractive, and can be of some good for your health, ladies and girls must ha cautious not to become too thin, or reduce weight too quickly, which may be otherwise rather dangerous for their health.The fat lady wanted to become slim and beautiful by dieting, but perhaps she did not think of being healthy. Truly, a slim body is different from good health. To become lose weight, the fat woman must eat less and exercise more. How ever, both of these two must be done slowly, and the fat woman cannot expect to become thin too quickly. Without enough food, she will be in poor health. And if she did exercises improperly, she may invite me other troubles. To be come healthy, she will have to eat healthier foods and do exercise regularly for a time. She cannot expect to become thin in one or two weeks, or even in one or two months. Good health is an ongoing activity.In my opinion, health is a really beautiful thing, but it is not exactly the same with health. Also, good health cannot be achieved in a few days or weeks. One must always eat well, exercise responsibly and stay strong. Beauty will crane in time if you focuses on your health and do not rush.
问答题
You should write about 100 words on ANSWER SHEET 2. Do not sign your own name at the end of the letter. Use Li Ming instead. You do not need to write the address.
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