According to the passage, early humans .

试卷相关题目

• 1The phrase "sheds light on" in Paragraph 4 probably means " " .

  A.hints at

  B.makes clearer

  C.points to

  D.further proves

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• 2Gilbert Roberts was shocked because .

  A.so many people had participated in the experiment

  B.so many of the participants were dishonest

  C.the effects of the pictures of flowers and gazing eyes were so different

  D.the effects of eyes and other perceptual signals were so powerful

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• 3The experiment conducted in Newcastle University shows that .

  A.people enjoy free drinks more than paid ones

  B.most people are dishonest if nobody is watching

  C.people like pictures of flowers more than pictures of eyes

  D.people are more honest when watched by pictures of eyes

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• 4The last paragraph focuses on .

  A.the factors that influence the workforce structure

  B.the importance of workforce distribution to the economy

  C.the relationship between age distribution and economy

  D.the influence of population growth on the national economy

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• 5The size of the workforce declines when .

  A.many people reach the retiring age

  B.the birth rate falls rapidly

  C.the number of retirees exceeds that of new workers

  D.the death rate increases

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• 6Images of eyes could be put up in the following places EXCEPT .

  A.subway entrances

  B.supermarkets

  C.back streets

  D.hotel bedrooms

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