:2019高考英语二轮复习专练模块7--Unit 1-3（带解析）

模块7 Unit 1-3

【四川省南充市2018届高三第一次高考适应性考试（一诊）】What will man be like in 5,000 or even 50,000 year from now on? We can only make a guess, of course. However, we can be sure that he will greatly differ from what he is today.___16___Let us take an obvious example. Man, even five hundred years ago, was shorter than he is today.___17___ Five hundred years is a relatively short period of time, so we can imagine that man will continue to grow taller. Nowadays our eyes are in constant use. In fact, we use them so much that 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 make less use of our arms and legs.___18___ We can’t walk farther. At the same time, however, our fingers will grow more sensitive because they are used a great deal in modem life. What about our brain? As time goes on, we shall have to use our brains more and more and eventually we shall need