It’s ten years since the scientist ___on his life’s work of discovering the valuable chemical.A.made

题目简介

It’s ten years since the scientist ___on his life’s work of discovering the valuable chemical.A.made

题目详情

It’s ten years since the scientist ___on his life’s work of discovering the valuable chemical.
A.made forB.set outC.took offD.turned up
题型:单选题难度:中档来源:不详

答案

B
考查动词词组辨析。Make for 导致,有助于  set out 出发,开始做某事 take off 起飞,事业腾飞  turn up 出现
句意为自从科学家开始他的发现有价值的化学物质的工作,已经有10年了。

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