神马品牌网小米和华为平板哪个好:请教几道英语选择题,说明理由
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1. "We didn't see him at the lecture yesterday." "He____it."
A. mustn't attend. B. cannot have attended
C. would have not attended D. needn't have attended
2. Man ____die without air or water.
A. will B. shall C. should D. would
3. Oh dear! What on earth ____ this mean?
A. should B. can C. may D. might
4. At the moment she ____ with her brother at home.
A. may play B.must be playing C.can play D. must have played
请选出答案,并说出具体的理由,谢谢.
A. mustn't attend. B. cannot have attended
C. would have not attended D. needn't have attended
2. Man ____die without air or water.
A. will B. shall C. should D. would
3. Oh dear! What on earth ____ this mean?
A. should B. can C. may D. might
4. At the moment she ____ with her brother at home.
A. may play B.must be playing C.can play D. must have played
请选出答案,并说出具体的理由,谢谢.
第1题选B，这是表否定的推测，其它选项无此意义。
第2题选A，这是表有科学根据的陈述，一般将来时的用法的一种。
第3题选B，具体理由我说不出来了～语感～
第4题选B，因为前面有个at the moment,这里应该译为“在现在这个时候”，应该用进行时。（当然有的时候，at the moment 是“当时”的意思，那就不一定用进行时了，如：At the moment,Tom had just been fired，so...当时，汤姆刚刚被解雇，因此...)
1B 2D 3B 4B
1。对过去事情的不肯定的猜测
2。without 为虚拟语气
3。can 表可能，用于否定句和疑问句
4。对现在事情的猜测
1 B 对过去的推测
2 C 虚拟语气，假设
3 D 较弱的可能
4 B 对现在的猜测
1题 选B，过去时+猜测语气
2题 选A,B,D都对，用在不同的地方，will会组成普通的句型，shall 多用于古代的英文（莎士比亚一类的），would的语气较委婉
3题 选B，D, 口语化了。。。很难说出为什么，不过B用的多一点
4题 选B 一个非常肯定的说法