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as...as用法 要全.

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as...as用法 要全.
一、基本用法
as ...as
用于比较句型,中间插入的是形容词或副词的原级.意思是"达到与什么相同的程度".如:He is as strong as a horse.他力大如牛.
二、习惯用法
1.as soon as
意思是"一.就.",引导一个时间状语从句.如:I'll call you as soon as I finish my homework.我一完成我的作业,就给你打电话.
2.as long as
意思是"长达.之久;只要.".如:She has searched the information about dinosaurs on the Internet as long as three hours.她在因特网上搜索有关恐龙的信息已经长达三个小时.
3.as much as
意思是"高达.;与.一样多".是用来表达极其多的语气.如:Some of the stones weigh as much as fifteen tons.有些石头重达15吨.