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[讨论]gwd28-3-6

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楼主
发表于 2008-8-4 14:05:00 | 显示全部楼层

28-3: The primary purpose of the passage is to discuss the

A: techniques used in certain experiments on social learning in birds

B: reasons for the differences between social learning in birds and in mammals

C: question of how social learning manifests itself in birds

D: basis for a widespread belief about a difference in behavior between birds and mammals

E: possible reasons why birds may or may not learn from each other in a particular way

我做这个有问题:为什么选C呢?哪里有question呢?请指导!:) 
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