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AS 和THOUGH引导状语从句的区别

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AS 和THOUGH引导状语从句的区别
__________ I couldn't lift the box.
A,As I might try B,Try as I might C,As try I might D,Try though I might
这题为什么不选D要选B?D不能选吗?
AS 和THOUGH引导状语从句的区别
as,though表示“虽然……但是”,“纵使……”之意.  as引导的让步状语从句必须以部分倒装的形式出现,被倒装的部分可以是表语、状语或动词原形,though也可用于这样的结构中,但although不可以这样用.例如:  Object as you may,I’ll go.(=Though/Although you may object,I’ll go.) 纵使你反对,我也要去.  Hard as/ though he works,he makes little progress.(=Though he works hard,he makes little progress.)尽管他学习很努力,但几乎没取得什么进步.  Child as/though he was,he knew what was the right thing to do.(=Though he was a child,he knew what was the right thing to do.)虽然他是一个孩子,但他知道该做什么.  Fast as you read,you can’t finish the book so soon.纵然你读得快,你也不能这么快读完这本书
引导让步状语从句时,as意为“虽然,尽管”,通常从句要倒装,倒装的方法是将从句的表语或状语放在as之前,而用though引导让步状语从句时句字则不必倒装(口语中也可倒装).