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1 .Dr．Richmond conducted the experiment with the purpose of finding____.
A when humans began walking on two legs B what made our ancestors walk upright C what benefits walking upright brought to our ancestors D how walking upright helped chimpanzees monopolize resources
2 .Kyoto University’s study discovered that chimpanzees______.
A regarded both types of nut as priced resources B preferred oil palm nuts to coula nuts C liked coula nuts better than oil palm nuts D ignored both types of nut altogether
3 .Why did the chimpanzees walk on two limbs during Kyoto University’s experiment?
A Because they imitated the human way of walking just for fun. B Because they wanted to please the researchers to get more coula nuts from them. C Because they wanted to get to the nut-rich forest faster by walking that way. D Because they wanted to carry more nut with two free limbs．
4 .What call we infer from the reading passage?
A Chimpanzees are in the same process of evolution as our ancestors were． B Chimpanzees are similar to humans in many behaviors. C Walking oil two limbs and walking on four limbs each have their advantages. D Human walking on two legs developed as a means of survival．
5 .1
A unless B when C if D until
7 .3
A dynamics B geology C economics D biology
8 .4
A reward B cost C bill D pay
9 .5
A decision B solution C suggestion D qualification
10 .6
A roughly B probably C commonly D specially
