Why did the chimpanzees walk on two limbs during Kyoto University’s experiment?
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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.
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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
3 .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-...
4 .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
5 .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
7 .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．
8 .1
A unless B when C if D until
9 .2
A electricity B magnetism C ultraviolet D radioactivity
10 .3
A dynamics B geology C economics D biology
