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as....as用法

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19. We have two ears and one mouth so that we can listen __________ we speak.
A. as twice much as B. twice as much as C. as much as twice D. as much twice as
as....as用法
解题思路: 如下
解题过程:
选B。
句意是:我们有两只耳朵,一张嘴,这样我们可以听的东西是说的东西的两倍多。
固定用法:
twice+as+adj+as 两倍的那么adj
如: twice as much as,译为“两倍那么多”,
twice as large as,译为“两倍那么大”,

两倍以上的可以这样用:基数词+times+as+adj+as 其中times,表示“倍数”
如:five times as long as 译为“五倍那么长”
最终答案:略