题目内容
18.We_____ use mobile phones when the plane takes off( )| A. | may not | B. | shouldn't | C. | needn't | D. | mustn't |
分析 当飞机起飞的时候,我们一定不能使用手机.
解答 本题考查的是情态动词的用法,may not的意思是不可以,语气较委婉,shouldn't是不应该的意思,表示建议,needn't是不必的意思,mustn't是一定不的意思,表示禁止,我们知道,在飞机上是绝对不能使用手机的,故选D.
点评 对待此类考查情态动词的题目,首先要认真审题,结合所给出的语境,正确把握说话者的语气、情感、态度、观点等.其次要认真思考所给选项中情态动词的基本特征和用法,并结合语境推敲答案.
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