as.as这短语怎么用?

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as.as这短语怎么用?
as.as这短语怎么用?

as.as这短语怎么用?
as...as的用法
as...as意为"和……一样",表示同级的比较.使用时要注意第一个as为副词,第二个as为连词.其基本结构为:as+ adj./ adv.+as.例如:
(1)This film is as interesting as that one.这部电影和那部电影一样有趣.
(2)Your pen writes as smoothly as mine.你的钢笔书写起来和我的一样流畅.
其否定式为not as/so +adj./ adv.+as.例如:
This dictionary is not as/so useful as you think.这本字典不如你想象的那样有用.
若有修饰成分,如twice,three times,half,a quarter等,则须置于第一个as之前.例如:
Your bag is twice as expensive as mine.你的袋子比我的贵一倍.