B) 非选择题:阅读下列材料,然后按要求完成所给出的题目。(Read the following three passages. Each passage is followed by several questions. Respond to the questions according to the passage.)

A

Billy: I am usually very hungry by 5:30 when school is over, so I go to the nearest food shop to buy some snacks. Then I go home and do my homework. Because the workload is very heavy, I need four or even five hours to finish it. On weekends, I usually go walking in the park. There is a small mountain in the park and I often do some climbing there. That's on Sunday, but on Saturday I have to spend the day at school.

Grace: I like walking, too. I prefer going to one of the islands on weekends. During the week, like Billy, I need to deal with my lessons. But on Tuesdays I always go swimming at the local indoor pool after school. After that, I meet some friends in TV games center in Star Club. We girls like playing games as much as the boys. I go to the Internet bar to chat with some net friends on Sunday evening. I find it fantastic.

Jenny: I never go to these centers or clubs. Nearly every day I go home on time. I never chat with strangers on the Internet. I never have time for sports. I seldom watch TV at home. The only two things I do at home are studying and sleeping. After a day's work, I always feel tired. One thing I almost forget is that on Sunday evening I go to a restaurant with my parents. In a word, my life is dull and uninteresting.

Questions 51—55:Please fill in the blanks with no more than five words in each blank.

What will man be like in the future--in 5,000 or even 50,000 years from now? We can only make a guess, of course, but we can be sure that he will be different from what he is today. For man is slowly changing all the time.

Let us take an obvious example. Man, even five hundred years ago, was shorter than he is today. Now, on the average, men are about three inches taller. Five hundred years is a relatively short period of time, so we may suppose that man will continue to grow taller.

Again, in the modern world we use our brains a great deal. Even so, we still make use of only about 20% of the brain's capacity. As time goes on, however, we shall have to use our brains more and more and eventually we shall need larger ones! This is likely to bring about a physical change too. The head, in particular the forehead, will grow larger.

Nowadays our eyes are in constant use. In fact, we use them so much that very often they become weaker and we have to wear glasses. But over a very long period of time it is likely that man's eyes will grow stronger.                       

On the other hand, we tend to make less use of our arms and legs. These, as a result, are likely to grow weaker. At the same time, however, our fingers will grow more sensitive because they are used a great deal in modern life.

But what about hair? This will probably disappear from the body altogether in course of time because it does not serve a useful purpose any longer. In the future, then, both sexes are likely to be bald!

Perhaps, all this gives the impression that future man will not be a very attractive creature to look at! This may well be true. All the same, in spite of all these changes, future man will still have a lot in common with us. He will still be a human being, with thoughts and emotions similar to our own.

72. The reason for believing that future man will be different is that he ______.

   A. began to change five hundred years ago

   B. never stops changing

   C. never stops growing

   D. has recently begun to change

73. People's heads will eventually grow larger. This is because their brains ______.

   A. will grow faster than at present

   B. will be in use

   C. will play an important part  

D. will need more room than at present

74. Future man will probably ______.

   A. have bigger eyes

   B. get weaker eyes

   C. see better

   D. have to wear better glasses

75. Future man's hair will ______.

   A. grow darker                           B. stop growing completely

   C. fall out more often                      D. get longer

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