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23. Female capuchin monkeys were chosen for the research most probably because they are
[A] more inclined to weigh what they get.
[B] attentive to researchers’ instructions.
[C] nice in both appearance and temperament.
[D] more generous than their male companions.
[答案] A
[解题思路]
本文的对应信息在文章的第二段。第二段中先谈到了母卷尾猴的特征有cute, good-natured, cooperative, share food readily等,这些分别与B、C、D选项符合。下一句话提到,最重要的是,“它们往往比雄性猴子更注重商品和服务的价值”,这才是最重要的原因。A选项中“weigh”这个词的意思是“衡量”,该次是解题的关键,但是也可以通过排除其他三个选项得出正确答案。
[题目译文]
母卷尾猴之所以被选为研究对象的最重要原因是它们
[A] 更会权衡它们得到的东西
[B] 认真听研究人员的指挥
[C] 外表和性情都很好
[D] 比公卷尾猴更加大方
24. Dr. Brosnan and Dr. de Waal have eventually found in their study that the monkeys
[A] prefer grapes to cucumbers.
[B] can be taught to exchange things.
[C] will not be co-operative if feeling cheated.
[D] are unhappy when separated from others.
[答案] C
[解题思路]
本文的对应信息在文章的最后一段,“Such co-operation is likely to be stable only when each animal feels it is not being cheated”(这种合作只有在每只猴子感到自己没有受到欺骗时才可能稳定),也就是说如果它们感到自己受骗、就不会合作。A、B选项在文中都有提及,但不是研究成果。D选项的错误在于文中并没有提到这一点。
[题目译文]
Brosnan博士和de Waal博士最终在他们的研究中发现猴子
[A] 比起黄瓜更喜欢葡萄
[B] 能够学会交换东西
[C] 如果感到受骗就会拒绝合作
[D] 在于其它猴子分开时就会不开心
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