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高中英语语法关于倒装的几个问题

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高中英语语法关于倒装的几个问题
1.Flying demands a much greater supply of energy than ____ most other forms of sportation.
A.is B.has C.that D.do
这道题出在倒装里面有点莫名.是用到了什么知识点?为什么选D呢?
2.Man may disappear ____ other creatures who became too specialized to survive their environment.
A.asB.just as C.as if D.as have
这道题出在倒装里面有点莫名.是用到了什么知识点?为什么选D呢?
3.Early in the day came the news which the enemy were gone.
这句话为什么全部倒装?什么知识点?
4.Gladly would I pay more if I could get better service by doing so.
为什么部分倒装?什么知识点?和上句有何不同?
1.Flying demands a much greater supply of energy than ____ most other forms of sportation.
A.is B.has C.that D.do
在正式文体中,then作连词时,后面的部分也需用部分倒装
这句后面如果不部分倒装则变成:than most other forms of sportation do
而半倒装就是把助动词do提前
另外,as引导的方式状语从句中也有类似用法
e.g.She travelled a great deal,as did most of her friends.
=She travelled a great deal,ass mot of her friends did.
He was a Christian,as were most of his friends.
2.Man may disappear ____ other creatures who became too specialized to survive their environment.
A.asB.just as C.as if D.as have
这里是上面说的as的倒装
意思是说人类可能像其它因为太特殊而无法在环境中生存的生物一样消失.
至于这里的助动词之所以用have是因为后面的too...to句型简化后全句可以变成:other creatures who have disappeared,所以可以把have提前
3.Early in the day came the news which the enemy were gone
这里全倒装的是came the news ,原来是the news came
而表示时间或地点的介词短语前置可以引起全部倒装
至于为什么要倒装,有些是句子特殊结构的要求,有的则是为了以一种不一样的方式出现,引人注意.至于解决头重脚轻的问题也有道理,为了保持句子平衡或突出表现谓语也会用到倒装,不过也可以把Early in the day用逗号隔开放在前面,也是很漂亮的.
4.Gladly would I pay more if I could get better service by doing so.
gladly是一个方式状语,即以很高兴的方式接受,而当方式状语、频度状语移至句首时,要半倒装