题目内容

20.It's very wise of you to            well trained workers            untrained ones in the assembly line(流水线).(  )
A.substitute; forB.substitute; with
C.replace; byD.replace; with

分析 在流水线上用训练有素的工人代替未经过训练的工人,你太明智了.

解答 答案是A.本题考查动词短语中的介词搭配.substitute和replace都可以表示"替换";substitute A for B 表示"用A代替B";replace A with/by B 用B替换A (使用B);根据句意和常识判断是"用受过训练的工人代替未受培训的工人",所以答案选择A.

点评 介词辨析要在掌握各介词的基本用法和固定搭配的基础上结合语境做出符合逻辑、常理的推测.

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44.A.stopB.continueC.improveD.escape
45.A.weakB.lonelyC.strangeD.pretty
46.A.removeB.tendC.watchD.collect
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48.A.passedB.startedC.leftD.died
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