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3.Evolution (进化) has changed our bodies and faces over thousands of years,and it's still happening.Here's how experts predict (预测) what people will be like in 1,000years.
We'll be about 1.83~2.13metres tall because of improved nutrition (营养) and medical science.Our arms and fingers will get longer to reduce the need to reach too far.
We'll have smaller brains,maybe because computers will help us memorize and think most of the things.
There will be larger eyes and smaller mouths.And there may be fewer teeth as softer food needs less chewing and biting.We could even get our nutrition from liquids or pills in the future.
We can expect other great changes too.Everyone will have the same shape of noses.That's because climate will have less influence on noses with the help of air conditioning and central heating.Besides,we will have more wrinkles (皱纹) as a result of looking at our electronic devices.
We also may end up with saggy (松弛的) necks because extra sun will cause loose skin.And there will be darker skin as people move around the planet and races (种族) mix.

42.According to experts prediction,which of the following pictures describes peoples'appearance in 1000years?D

43.How will people memorize and think in the future?C
A.By robots.
B.By larger brains
C.By computers.
D.By smarter brains.
44.The main reason of human evolution isA
A.Nature                           
B.Electronic device
C.development of science and technology 
D.Climate
45.Where can you probably read the passage?B
A.In a storybook        
B.In a science magazine.
C.In a travel book.
D.In a fashion magazine.

分析 文章大意:这篇短文主要介绍了专家预测了1000年后人们的面貌会变成什么样子.由于环境的影响及人为的干预,相对于现在的人类,以后人们的身高会增加,胳膊和手指将会比我们现在的胳膊和手指长的更长.因为现在有了电脑的帮助,人类的大脑使用几率就会变小,所以大脑体积将会变小.将会有大眼睛和小嘴巴.而且可能有较少的牙齿,大眼睛小嘴等.其他器官也都会发生改变.

解答 42.D,推理判断题.由文章可知未来我们"larger eyes and smaller mouths"大眼睛,小嘴巴,"have more wrinkles"更多皱纹,所以选择D
43.C,推理判断题.文章提到"maybe because computers will help us memorize and think most of the things"是因为有电脑帮我们记忆,所以大脑将变小,所以选择C.
44.A,推理判断题,文中提到"Evolution (进化) has changed our bodies and faces over thousands of years,and it's still happening"进化一直在发生,也就是说在古代没有电子仪器的时候也在发生,所以应该是"自然条件"选择.
45.B,推理判断题,文中提到"Here's how experts predict"未来什么样是和专家预测的,所以应该最有可能出现在科学杂志上,选择B.

点评 本文主要是说进化后人类未来的样子.题目涉及到推理判断题,要在抓住关键句子的基础上进行合理地分析才能得出正确答案,切记不能乱猜,一定做到有理有据.

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