We all agree that computers are essential ______ the problems of increasing population.

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问题 We all agree that computers are essential ______ the problems of increasing population.

选项 A、to solve
B、to solving
C、solving
D、of solving

答案B

解析 此题考点为形容词与介词搭配。essential必要的,基本的,本质的。essential to译为“对…是必不可少的”,这里“to”是介词,后接动名词,所以B是正确答案。题干中that从句可以同义转换为下列句子:It is essential for computers to solve problem of increasing population.句中用不等式to solve...与for computers构成实际主语。本句意为:我们一致同意,电脑是解决日益增长人口的问题必不可少的工具。
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