搜题
王老师:19139051760(拨打)
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第1题

（） lessons were not difficult.(本题3.0分) A、 Our few first short English B、 Our few first English short C、 Fe
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第2题

I would rather two weeks earlier.（2.0分） 2.0 分 A、 you should come here B、 you come here C、
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第3题

The book proved to be very reliable and so was very ( ) to him in his research.(本题3.0分) A、 useless B、 invaluabl
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第4题

下列化合物中酸性最强的是:( )。 A乙二酸 B丙二酸 C乙酸 D丙酸
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