What will man be like in____—in 5,000 or even 50,000 years from now on? We can only make a____， of course, but we can be sure that he will be____what he is today. For man is slowly changing all the time.
Let us take an obvious____. Man, even five hundred years ago, was shorter than he is today. Now on____， men are about three inches taller. Five hundred years is relatively a short period of time, so we may imagine that man will continue to grow____.
Again, in the modern world we use our____a great deal. Even so, we still make use of only about 20% of the brain's capacity(容量). As time____on, however, we shall have to use our brains____—and eventually we shall need____ones! This is____to bring about a physical change too：the head, in particular the forehead, will grow larger.
Nowadays our eyes are in____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____.
On the other hand, we tend to make less use of our arms and legs, These, as____， are likely to grow weaker. At the same time, ____， our fingers will grow more sensitive because they are used a great____in modern life.
But what about hair? This will probably____from the body altogether in course of time because it does not serve a useful purpose any longer. In the future, then, both sexes(性别)are likely to be bald(光秃的)!
Perhaps all this gives the____that future man will not be a very attractive creature to look at! This may well be true. All the same, ____all these changes, future man will still have a lot in____with us. He will still be a human being, with thoughts and emotions similar to our own.

A．future B．the future C．appearance D．figure

A．guess B．game C．idea D．picture

A．the same as B．similar to C．different from D．pleased to look at

A．sample B．model C．example D．fact

A．common B．general C．usual D．average

A．cleverer B．taller C．fatter D．thinner

A．arms B．legs C．brains D．muscles

A．goes B．went C．comes D．came

A．less and less B．more and less C．more or less D．more and more

A．smaller B．thinner C．better D．larger

A．unlike B．unlikely C．like D．likely

A．big B．constant C．perfect D．enough

A．nearsighted B．farsighted C．weaker D．stronger

A．a matter of fact B．a surprise C．a result D．focus

A．but B．though C．whenever D．however

A．lot B．many C．quantity D．deal

A．emerge B．appear C．disappear D．remove

A．impact B．impression C．expression D．idea

A．despite of B．in spite of C．because D．owing to

A．touch B．connection C．association D．common