2009年6月英语四级听力备战-听写训练(24)（在线收听）

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Why would an animal want to _?Behaviorists would say that animals cooperate when _.

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答案：

1. cooperate with a human

2. they learn it is in their interest to do so

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译文:动物为什么会愿意与人合作？行为主义者会说，动物认识到合作于己有利时就会这么做。

词组辨析:

Cooperate : to work together合作

例：

They refused to cooperate.他们拒绝合作。

In one’s interest(s):to sb’s advantage为了某人的利益

Why would an animal want to _?Behaviorists would say that animals cooperate when _.