If people do not tell______for an electronic computer to do, it will accomplish nothing. This is the reason why electronic compu

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问题 If people do not tell______for an electronic computer to do, it will accomplish nothing. This is the reason why electronic computers will never be able to replace man.

选项 A、that
B、what
C、how
D、when

答案B

解析 what for an electronic computer to do作tell的宾语。这是一个带疑问词的不定式作宾语,其中for an electronic computer作不定式to do的逻辑主语。题句意思为:如果人们不指示电子计算机该做什么,它就将什么也不能干。这就是电子计算机永远也不能代替人类的原因。
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