【題目】A computer ____________ think for itself; it must be told what to do.

A. can’t B. couldn’t

C. may not D. might not

【答案】A

【解析】考查情態(tài)動(dòng)詞。因?yàn)?/span>can強(qiáng)調(diào)能力,could強(qiáng)調(diào)事情發(fā)生的可能性.此處句子強(qiáng)調(diào)的是：電腦不能夠自己思考,只能服從人類的指令.所以A合適.

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