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

試題分析：keep up with趕得上，和……保持聯(lián)系；come up with提出，想出；make up with與……重修舊好；catch up with趕上，追上。句意：世界的人口數(shù)目正在變得越來越大，因此科學家們正在努力想新辦法來解決食物短缺問題。結(jié)合語境可知選B。
點評：解答此類題型的要點是了解各個短語的基本含義及用法的不同，同時注意其表示多個含義的現(xiàn)象，然后結(jié)合語境選擇合適答案。
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