____humans die out in 2012? --- Maybe, But most of the scien

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____humans die out in 2012? --- Maybe, But most of the scientists think it _
____humans die out
in 2012? --- Maybe, But most of the
scientists think it ___ happen.
A. Must, mustn’t B. Can, mustn’t C. Must, can’t D. Can, can’t
该选哪一个?
_____ feed this
monkey some bananas? ---We ____ . Can you see the sign “No Feeding” there?
A. Why not,needn’t B. Why not, had better not C. Why don’t, needn’t D. Why don’t , had better not.

① C
这里,must在词法上＝have to,意思上就是“ To be determined to; have as a fixed resolve”,因为这个说的其实就是那个玛雅预言,因此表达的意思很强烈.“人类2012注定要灭亡吗?也许,但大多数科学家认为不大可能会发生.”
② A
why not在口语里是提议的用法,就是make a suggestion.如果用why don't那么后面应该有主语的,例如：why don't we fee.因此答案在A和B之间； B的问题是had better not,这个是过去式或虚拟,在这里都不合适.如果换成 would better not,那就可以了.We needn't,（为什么不.）我们不必,君不见“不得喂食”的牌子吗?

Most of population settled in the south ,but most But because of the robots,maybe more people will be out of w 3._______ for a long time,most of the crops in this area die 19 ._____ for a long time,most of the crops in this area die but in the heart or some of your love,maybe this is fate, You may be out of my sight,but never out of my mind.In the e Maybe, you out of my sight, but never out of my mind什么意思英语翻译This work was supported in part by the Ministry of Scien You can see some of it on the quilt.but most of it is in the 英语翻译While fieldwork is carried out in other behavioral scien Most Americans __ out of the country make the most out of sth.