What Will Man Be Like in the Future What will man be like in the future—in 5,000 or even 50,000 years from now? We can only

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问题                                              What Will Man Be Like in the Future
What will man be like in the future—in 5,000 or even 50,000 years from now? We can only make guesses, of course, but we can be sure that he will be different from what he is today. 【B1】________Let us take an obvious example. Man, even five hundred years ago, was shorter than he is today.【B2】________Five hundred years is relatively short period of time, so we may assume 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!【B3】________
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 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.【B4】________
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.【B5】________He will still be a human being, with thoughts and emotions similar to our own.
A.  Man need not do housework.
B.  This is likely to bring about a physical change to the head, in particular the forehead, will grow larger.
C.  At the same time, however, our fingers will grow more sensitive because they are used a great deal in modern life.
D.  For man is slowly changing all the time.
E.  All the same, in spite of all these changes, future man will still have a lot in common with us.
F. Now, on average, men are about three inches taller.
【B4】

选项

答案C

解析本段讨论的是未来人们的四肢变化，在剩余选项中，C选项中的our fingers与此信息一致，而且At the same time，however两词在结构上起到了承上启下的衔接作用，they are used a great deal和前面的make less use of相对照，保持了上下文的连贯，因此C为应填句子。

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What Will Man Be Like in the Future What will man be like in the future—in 5,000 or even 50,000 years from now? We can only

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