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对于as…as…这一句型，大多数学生比较熟悉，例如，要用英语体现“我和你年龄同样大”，可以说：“I am as old as you”. 两个as 之间用形/副原级。
完整构造：I am as old as you are old.
A+ 系动词+as① +形容词+ as②+ B+系+形
1) as①是副词，as②是连词
2）B背面假如没有省略成分，那么会有哪些变体。
状况一 前后形容词不一样，系动词相似
This room is as wide as that room is long.
这个房间的宽度等于那个房间的长度
What a table! I have never seen such a thing before. It is not half as wide as it is long.
这个桌子的宽度还不到长度的二分之一
世界上最深的山洞，其深度几乎是埃菲尔铁塔高度的6倍
The world’s deepest cave is almost 6 times as deep as the Eiffel tower is high
状况二 as②前后形容词相似，但系动词不一样
句子一
句子二
Mike is not as good as he looks
Mike doesn’t look as good as he is
只能省略as②背面的形容词
注：假如as②前后形容词相似，系动词也相似，可以省去as②前后形容词和系动词。
如：
A man is about as big as the things that make him angry.
从让一种人生气的事情大小就能看出一种人的气量大小。
big 修饰Sb. 表“大度的，宽容的”，修饰Sth. 表“大的”。
状况三 在不一样条件下主语自身不一样状况的比较
My mind isn’t as sharp in the afternoon as in the morning.
下午我的脑子反应不如上午敏捷
状况四 …as+ 形+a (an) +单名+as…
A lion is just as dangerous and fierce an animal as a tier.
高考链接
1. It’s said that the power plant is now _____large as what it was.
A. twice as
B. as twice
C. twice much
D. much twice
A
2. Our neighbor has_____ ours.
as a big house as
B. as big a house as
C. the same big house as
D. a house the same big as
B
3. Peter’s jacket looked just the same as Jack’s, but it cost almost three times_____.
A. as much B. as many
C. so much D. so many
4. According to statistics, a man is more than twice as likely to die of skin cancer _____ a woman.
A. than B such C. so D as
A
D