2. 考研
  3. A.in exchange B.capable of C.pay much closer attention D.teaching their monkeys A.one monkey was handed a grape【T13】___

A.in exchange B.capable of C.pay much closer attention D.teaching their monkeys A.one monkey was handed a grape【T13】___

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问题 A.in exchange    B.capable of    C.pay much closer attention    D.teaching their monkeys
A.one monkey was handed a grape【T13】______for her token
B.other animals would not be【T14】______this finely
C.they tend to【T15】______to the value
D.spent two years【T16】______to exchange tokens for food
    Everybody loves a fat pay rise.Yet pleasure at your own can vanish if you learn that a colleague has been given a bigger one.Indeed, if he has a reputation for slacking, you might even be outraged.Such behaviour is regarded as "all too human", with the underlying assumption that【T17】______.But a study by Sarach Brosnan and Frans de Waal ofEmory University in Atlanta, Georgia, which has just been published in Nature, suggests that it is all too monkey, as well.
    The researchers studied the behaviour of female brown capuchin monkeys.They look cute.They are good-natured, cooperative creatures, and they share their food readily.Above all, like their female human counterparts,【T18】______of "goods and services"than males.
    Such characteristics make them perfect candidates for Dr.Brosnan’s and Dr.de Waal’s study.The researchers【T19】______.Normally, the monkeys were happy enough to exchange pieces of rock for slices of cucumber.However, when two monkeys were placed in separate but adjoining chambers, so that each could observe what the other was getting in return for its rock, their behaviour became markedly different.
    In the world of capuchins, grapes are luxury goods ( are much preferable to cucumbers).So when【T20】______, the second was reluctant to hand hers over for a merepiece of cucumber.And if one received a grape without having to provide her token in exchange at all, the other either tossed her own token at the researcher or out of the chamber , or refused to accept the slice of cucumber.Indeed, the mere presence of a grape in the other chamber (without an actual monkey to eat it) was enough to induce resentment in a female capuchin.
【T20】
选项
答案A
解析 空格前一句的意思为：比较黄瓜而言，僧帽猴更喜欢葡萄，葡萄可以说是它们的奢侈品。空格后一句的意思为：如果一只猴子不用交换代币就能获得一颗葡萄，那么另一只猴子要么把它的代币掷给研究人员，要么把代币扔出室外，要么拒绝接受那片黄瓜。空格所在句的意思为：于是，当研究人员递给一只猴子一颗葡萄以换取它的代币时，另一只猴子就不情愿拿它的代币只换取一片黄瓜。所以，A项符合题意。
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