1.A computer ______ think for itself.It's always told to do things.( 。
A.mustn'tB.can'tC.shouldn't

分析 電腦不能夠自己思考,他總是去做被要求做的事情.

解答 答案:B.
mustn't 不允許,禁止"; can't不能; shouldn't不應(yīng)該.此處句子強(qiáng)調(diào)的是:電腦不能夠自己思考,他總是去做被要求做的事情,所以B合適表不能.故選B.

點(diǎn)評(píng) 本題考查了情態(tài)動(dòng)詞的用法.解答時(shí)注意理解句意以及所給選項(xiàng)的意思并作出正確選擇.

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