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【题目】Many people see the computer as a “magic box”, and are not concerned with ______ it works.

A. that B. whether C. how D. if

【答案】C

【解考查宾语从句。how引导宾语从句,表示方式。句意:很多人把计算机看成魔术盒,并不关心它是如何工作的。

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