题目内容

Generally speaking, there _______ be any survivors(幸存者) after such a long time. However, two young people were found _______. Life is super-nature!
A．mustn’t; livingB．can’t; dying
C．may; deadD．can’t; alive
D

试题分析：句意：一般来说，过了这么长的时间，是不可能有任何幸存者了，可是，还是发现了两名活着的年轻人。生命真的是神秘！can’t表示不可能，mustn’t表示禁止，may表示可能，alive活着的，多做表语或是补语，故选D
点评：情态动词是中考的热点，情态动词除了表推测外，还可以表达另外的意思，如must理解为必须，由这个词所开头的问句，肯定回答用Yes,you must.否定回答用No,you needn’t或者是No,you don’t have to.注意不用mustn’t，因为mustn’t表示例行禁止的含义。
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