A good title for this selection is . Pavlov worked with .

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问题 A good title for this selection is ______.
Pavlov worked with ______.

选项 A、people
B、dogs
C、mental illness
D、abnormal behavior

答案B

解析细节题。从文章第三段“his experiments with dogs”可知正确答案是B。

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大学英语三级A级

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