【題目】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】試題分析:句意:來自不同國家的科學(xué)家正在設(shè)法想出解決能源的問題。故選B,想出(主意,辦法)。

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