David King 's comment in the last paragraph implies that  ______  .

试卷相关题目

• 1According to the passage ,which of the following is NOT true、

  A.One third of the population carry the less active variant.

  B.Boys with the less active will not live normal lives.

  C.Some people disagress with the concept of “violence”gene.

  D.The less active variant and ill-treated experience contribute to violenc

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• 2We can learn from the passage that those men who have stronger ability to endure mental stress usually ______.

  A.have the more active variant of the gene

  B.have the liss active variant of the gene

  C.had ill-treated childhood

  D.had no ill-treated childhood

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• 3According to the passage ,the less active variant of the gene  ______  .

  A.will totally determine men's personality and behaviour

  B.always leads to trouble –making featues

  C.might be responsible for boys' criminal behaviour

  D.plays no significant role in children's development

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• 4Which of the following may serve as the best title of the passage、

  A.A Respectable Self-made Family

  B.American Attitude toward Manual Labour

  C.Characteristics of American Culture

  D.The Development of Manual Labour

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• 5The expression “wait on table ”in the second paragraph means “ ______ ”.

  A.work in a furniture shop

  B.keep accounts for a bar

  C.wait to lay the table

  D.serve customers in a restaurant

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