军队职称英语真题汇编-阅读理解5

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• 1John Allman's research found out that（  ）。

  A.mothers spend more time with children than fathers

  B.fathers live longer than mothers if they do not care for the young

  C.a parent lives a shorter life if he does not care for the young than one does

  D.there is a relationship between the life span of parents and the number of childrenrared

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• 2From the passage we can conclude that，for primates,a mate’s devotion to child care depends on（  ）。

  A.the interval at which the young are born

  B.how healthy the male is

  C.the sex of the offspring

  D.how sure the male is that the child is really his

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• 3The most important information obtained from the titi monkey and the owl monkey is that（  ）。

  A.male titi and owl monkeys live longer than females

  B.male titi and owl monkeys spend more time with their offspring than females

  C.young titi and owl monkeys cling tenaciously to their fathers’fur

  D.female titi and owl monkeys do nothing but feed the young

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• 4Which of the following would be the evolutionary advantage gained by mates through a life-shortening trade- -off（  ）。

  A.Showing off to their mates

  B.Producing more offspring

  C.Living a care-free life

  D.Having more confidence in their offspring

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• 5Scientists still don’t know（  ）。

  A.whether female titi and owl monkeys are promiscuous

  B.whether female titi and owl monkeys have a longer life span than males

  C.what advantages, if any, are gained by female titi and owl monkeys which spendless time nurturing than males

  D.how confident male titi and owl monkeys are that females' children are reallytheirs

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