A computer ______ think for itself. It’s always told to do things.A. mustn’t
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A computer ______ think for itself. It’s always told to do things. A. mustn’t B. can’t C. shouldn’t |
答案
B |
解析
因为mustn’t 意为“不允许,禁止”; can’t意为“不可能”; shouldn’t意为“不应该”。此处句子强调的是:电脑不能够自己思考,只能服从人类的指令。所以B合适。 |
举一反三
—Mum, must I wash the dishes right now? —No, you ____.A.shouldn’t | B.wouldn’t | C.mustn’t | D.needn’t |
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Where are you going this month? We_________ go to Xiamen, but we’re not sure.A.needn’t | B.must | C.might | D.mustn’t |
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—Are you in a hurry? —No, I’ve got plenty of time. I _______ wait.A.can | B.can’t | C.must | D.mustn’t |
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—________I have lunch now, Mom? —No. You must wash your hands first. A.Would B.May C.Ought to |
-- Must I water the flowers right now? --No, you . You may do it after supper. A. mustn"t B. needn"t C. can"t |
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