题目内容
The world’s population is getting larger and larger, so scientists are trying to _______ new ways to solve the food problem.
A. catch up with B. keep up with C. come up with D. make up with
【答案】
C
【解析】
试题分析：句意：这个世界的人口正变得越来越多，所以科学家们正在尽力想出。新的方法去解决粮食问题。A赶上B追上C提出，想出D弥补，和好。
考点：考查固定短语的用法。
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