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【題目】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】

考查表語從句。句意:機器人可以通過計算機重新編程,在完成一項特定任務后,再執(zhí)行另一項任務,這就是自動機器的不同之處。引導詞在該表語從句中作地點狀語,用where,故選C。

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