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【题目】Robots can be reprogrammed by a computer to do another one after completing one specific task, and this is ______ automatic machines differ.

A. becauseB. what

C. whereD. how

【答案】C

【解析】

考查表语从句。句意:机器人可以通过计算机重新编程,在完成一项特定任务后,再执行另一项任务,这就是自动机器的不同之处。引导词在该表语从句中作地点状语,用where,故选C

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