问题 选择题

While working in the countryside , the students ________ a great deal of knowledge on plant life.

A.looked up

B.picked up

C.put up

D.called up

答案

答案:B

考查短语辨析。句意“在乡下工作时,学生们学到了很多关于植物的知识。”A“查找”;B“捡起,用车接某人,偶然学会”;C“进行,张贴”;D“打电话,召集,使想起”。故选B。

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