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英语专业四级词汇与语法全真模拟练习63

　　今天我们来做做语法,是之前有人跟我提起要讲一下As的用法,而且大家最近的复习应该也很紧张,所以这次大家就看看部分用法。

　　1. as 引导的状语从句

　　1) as 引导时间状语从句，意为随着，常与比级连用。

　　We get wiser as we get older.

　　2). as 引导让步状语从句。需将表语或状语前置，有时也可用 that / though 代替 as 。

　　Clever as he was, he often failed in examinations.

　　3) as 引导比较状语从句。与 than 引导的比较状语从句类似，有时从句用部分倒装。

　　She took as much responsibility asdid her husband.

　　4) as 引导表示强调意义的特殊比较句型。

　　1) as as anything;

　　as as can be;

　　as as one can

　　极其 , 到了最的程度

　　He is as naughty as anything .

　　2) as as one can;

　　as as permit;

　　as best one can

　　表示尽可能

　　He began to run, as fast as he could.

　　3) as + adj. as + adj.

　　as 后用同一形容词，表示极其、非常

　　She returned to her small town as ill as ill .

　　5) as 引导类比从句，与 so 连用。表示正如所以

　　As you brew, so must you drink.

　　6) as 引导比例从句，与 what 用法相同。

　　Books are to the mind as food is to the body

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