题目内容
【题目】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】B
【解析】词义辨析。looked up抬头看,查找;picked up 学会;put up挂起,张贴;called up给某人打电话。句意:在农村工作时,学生们选学会了大量关于植物的知识。所以选B。
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