3．Evolution （進化） has changed our bodies and faces over thousands of years，and it's still happening．Here's how experts predict （預(yù)測） what people will be like in 1，000years．
We'll be about 1.83～2.13metres tall because of improved nutrition （營養(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．
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