It is no arguing with Tom because he will never change his mind.

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单项选择题异位妊娠常见的着床部位是: A.
卵巢 B.
输卵管 C.
子宫颈 D.
子宫角 E.
腹腔

This village to be the place in which Ernest Hemingway,...

单项选择题This village to be the place in which Ernest Hemingway, one of the greatest Americanwriters, wrote this story.

单旋回的操船方法不适用于()。①立即行动；②延迟行动；③人员失踪 A. ...

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① B.
②③ C.
①③ D.
①②