(1)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. For man is slowly changing all the time.(2)Let us take an obvious example. Man, even five hundred years ago, was shorter than he is today. Now, on average, men are about three inches taller. 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! This is likely to bring about a physical change to the head, in particular the forehead, will grow larger.(3)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 m
The passage mainly tells us that_________.
- A、man’s life will be different in the future
- B、future man will look quite different from us
- C、man is growing taller and uglier as time passes
- D、man’s organs’ functions will be on the wane
正确答案:B
答案解析:有
What serves as the evidence that man is changing?
- A、Man has got stronger eyes now than he ever had.
- B、Man’s hair is getting thinner and thinner.
- C、Man’s arms and legs have become lighter and weaker.
- D、Man has been growing taller over the past 500 years.
正确答案:D
答案解析:有
The change in man’s size of forehead is probably because ____________.
- A、he makes use of only 20% of the brain’s capacity
- B、his brain has grown larger over the past centuries
- C、the other 80% of his brain will grow in due time
- D、he will use his brain more and more as time goes on
正确答案:D
答案解析:有
What is true about a human being in the future?
- A、He is hairless because hair is no longer useful.
- B、He has smaller eyes and wears better glasses.
- C、His fingers grow weaker because he doesn’t have to make use of them.
- D、He thinks and feels in different ways.
正确答案:A
答案解析:有
It is implied that ___________.
- A、human beings will become less attractive in the future
- B、less use of a bodily organ may lead to its degeneration
- C、human beings hope for a change in the future life
- D、future life is always predictable
正确答案:A
答案解析:有
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