题目内容
Scientists from different countries are trying to_______ a good way to solve the energy problem.
A. keep up with B. come up with C. catch up with D. meet up with
【答案】
B
【解析】
试题分析:句意:来自于不同国家的科学家正在努力相处解决能源问题的好方法。A与……保持齐头并进B想出C抓住D碰见。根据句意选B。
考点:考查动词短语的辨析。
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