Kyoto University’s study discovered that chimpanzees______.
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1 .All of the followings are processes that decrease salinity EXEPT ___.
A evaporation B precipitation C run off D melting
2 .Which of the following statements about the salinity of a body of water can best be inferred from the passage?
A The temperature of the water is the most important factor. B How quickly the water moves is directly related to the amount of salt. C Ocean salinity has little effect on sea life. D Various factors combine to cause variations in the salt content of water.
3 .Why does the author mention the Weddell Sea?
A to show that this body of water has salinity variations B to compare Antarctic waters with Arctic waters C to give an example of cold-water salinity D to point out the location of deep waters
4 .Which of the following statements is NOT true according to the first two paragraphs?
A Many people question the simple human activities of walking and carrying items. B Chimpanzee’s behaviors may suggest why humans walk on two legs. C Human walking upright is viewed as all adaptation to carrying precious resources. D Our ancestors’ ecological conditions resembled those of modem-...
5 .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
7 .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．
8 .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．
9 .1
A unless B when C if D until
10 .2
A electricity B magnetism C ultraviolet D radioactivity
