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1、第三单元过关检测(时间:90满分:120).阅读理解(共两节,满分40分)第一节(共12小题;每小题2.5分,满分30分)阅读下列短文,从各题所给的四个选项(A、B、C和D)中,选出最佳选项。AWhat will man be like in the futurein 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
2、all the time.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 a short period of time,so we may assume that man will continue to grow taller.Again,in the modern world we use ou
3、r brains a great deal.Even so,we still make use of only about 20% of the brains 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 lar
4、ger.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 mans eyes will grow stronger.On the other hand,we tend to make less use of our arms and legs.These,as a result,are
5、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,b
6、oth 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
7、 emotions similar to our own.1.The passage mainly tells us that.A.mans life will be different in the futureB.future man will look quite different from usC.man is growing taller and uglier as time passesD.mans organs functions will change提示:全文理解题。本文主要介绍未来人类的外貌。A:未来的生活,与中心思想不符。C项不具备概括性。D:器官功能衰退,不能概括未来
8、人类身体的变化。答案:B2.What serves as the evidence that man is changing?A.Man has got stronger eyes now than he ever had.B.Mans hair is getting thinner and thinner.C.Mans arms and legs have become lighter and weaker.D.Man has been growing taller over the past 500 years.提示:细节理解题。由第二段第二句“Man,evenfivehundredyea
9、rsago,wasshorterthanheistoday.”可知D项正确。A、B、C三项均为人类未来的变化趋势,而不是人类变化的证据。答案:D3.The change in mans size of forehead is probably because .A.he makes use only 20% of the brains capacityB.his brain has grown larger over the past centuriesC.the other 80% of his brain will grow in due timeD.he will use his bra
10、in more and more as time goes on提示:细节理解题。第二段最后两句说人类将更多地使用大脑,最终大脑变大,前额增大。答案:D4.It is implied that .A.human beings will become less attractive in the futureB.less use of a bodily organ may lead to its degenerationC.human beings hope for a change in the future lifeD.future life is always predictable提示:
11、推理判断题。从人类身体变化可以看出,经常使用的器官部位,如大脑手指将变得发达。而不常用的器官会退化。A项在原文已经直接提到,不能算作推论。答案:BBWhat will people die of 100 years from now?If you think that is a simple question,you have not been paying attention to the revolution that is taking place in biotechnology(生物技术).With the help of new medicine,the human body wi
12、ll last a very long time.Death will come mainly from accidents,murder and war.Todays leading killers,such as heart disease,cancer,and aging itself,will become distant memories.In discussion of technological changes,the Internet gets most of the attention these days.But the change in medicine can be
13、the real technological event of our times.How long can humans live?Human brains were known to decide the final death.Cells(细胞) are the basic units of all living things,and until recently,scientists were sure that the life of cells could not go much beyond 120 years because the basic materials of cel
14、ls,such as those of brain cells,would not last forever.But the upper limits will be broken by new medicine.Sometime between 2050 and 2100,medicine will have advanced to the point at which every 10 years or so,people will be able to take medicine to repair their organs.The medicine,made up of the bas
15、ic building materials of life,will build new brain cells,heart cells and so onin much the same way our bodies make new skin cells to take the place of old ones.It is exciting to imagine that the advance in technology may be changing the most basic condition of human existence,but many technical prob
16、lems still must be cleared up on the way to this wonderful future.5.According to the passage,the human death is now mainly caused by .A.diseases and aging B.accidents and warC.accidents and agingD.heart disease and war提示:细节理解题。由文章第一段最后一句可知,当今生命的主要杀手有心脏病、癌症和衰老。答案:A6.In the authors opinion,todays most important advance in technology lies in .A.medicineB.the
