3.Evolution (進(jìn)化) has changed our bodies and faces over thousands of years,and it's still happening.Here's how experts predict (預(yù)測(cè)) what people will be like in 1,000years.
We'll be about 1.83~2.13metres tall because of improved nutrition (營(yíng)養(yǎng)) 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 (皺紋) 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 (種族) 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:這篇短文主要介紹了專家預(yù)測(cè)了1000年后人們的面貌會(huì)變成什么樣子.由于環(huán)境的影響及人為的干預(yù),相對(duì)于現(xiàn)在的人類,以后人們的身高會(huì)增加,胳膊和手指將會(huì)比我們現(xiàn)在的胳膊和手指長(zhǎng)的更長(zhǎng).因?yàn)楝F(xiàn)在有了電腦的幫助,人類的大腦使用幾率就會(huì)變小,所以大腦體積將會(huì)變小.將會(huì)有大眼睛和小嘴巴.而且可能有較少的牙齒,大眼睛小嘴等.其他器官也都會(huì)發(fā)生改變.

解答 42.D,推理判斷題.由文章可知未來(lái)我們"larger eyes and smaller mouths"大眼睛,小嘴巴,"have more wrinkles"更多皺紋,所以選擇D
43.C,推理判斷題.文章提到"maybe because computers will help us memorize and think most of the things"是因?yàn)橛须娔X幫我們記憶,所以大腦將變小,所以選擇C.
44.A,推理判斷題,文中提到"Evolution (進(jìn)化) has changed our bodies and faces over thousands of years,and it's still happening"進(jìn)化一直在發(fā)生,也就是說(shuō)在古代沒(méi)有電子儀器的時(shí)候也在發(fā)生,所以應(yīng)該是"自然條件"選擇.
45.B,推理判斷題,文中提到"Here's how experts predict"未來(lái)什么樣是和專家預(yù)測(cè)的,所以應(yīng)該最有可能出現(xiàn)在科學(xué)雜志上,選擇B.

點(diǎn)評(píng) 本文主要是說(shuō)進(jìn)化后人類未來(lái)的樣子.題目涉及到推理判斷題,要在抓住關(guān)鍵句子的基礎(chǔ)上進(jìn)行合理地分析才能得出正確答案,切記不能亂猜,一定做到有理有據(jù).

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