题目内容

John and Mary()for years before they got married.

A. had been in love
B. had broken up
C. had separated
D. had been divorced

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邻二甲苯喷嘴是苯酐反应器的附属设备。

A. 正确
B. 错误

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A. 正确
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中国共产党的建设是把思想建设放在第一位。

A. 正确
B. 错误

According()the report,the ship hit the wharf when berthing.

A. of
B. to
C. for
D. o

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