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The world’s population is getting larger and larger, so scientists are trying to _______ new ways to solve the food problem.
A.catch up withB.keep up withC.come up withD.make up with
C

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。
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