l)平级比较：这是指在比较的过程中不用形容词或副词的比较级或最高级进行比较，而是用特定句型的肯定或否定式进行比较。
as+形容词/副词+as(肯定式，意为：跟……一样)
not SO(as)+形容词/副词+as(否定式，意为：不如)
as+形容词+a/an+单数名词+as
as+many/few+可数名词+as
as much/little+不可数名词+as
the same+名词+as(与……一样)
This is as interesting a book as the other is.
这本书跟另一本一样有意思。
Helen cannot come to visit her mother so often as she hopes.
Helen不可能像她希望的那样经常看望母亲。
You can write as many words for your paper as you want.
你的文章想写多少字就写多少字。
She was born on the same day as I was.
她跟我在同一天出生。
2)带有than的比较：
more than...不仅仅，不只是
more A than B与其说是B，不如说是A(否定B，肯定A)
rather than宁愿……而不愿……
would rather+省略to的不定式+than+省略to的不定式宁愿……而不愿……
no+形容词比较级+than都不
He is more a businessman than a professor.
他更像是商人，不像教授。
The movie is more boring than interesting.
这部电影很乏味没意思。
I have no more than five dollars.
我只有5美元。
He is no taller than Jack.
他并不比Jack高。(有两个人都不高的含义)
l would rather watch TV at home than go to the cinema.
我宁愿在家看电视而不出去看电影。
She enjoys reading at home rather than travelling around.
她宁愿在家看书，不愿出游。
He paid no less than 200 dollars.
他至少付了200美元。
注意：类似的词组有prefer A to B偏爱……胜过……(肯定A，否定B);A+not+比较级+than+B A不如B。
I prefer watching movie to TV program.
我喜欢看电影而不是看电视。
He is not taller than Jack.
他没有Jack高。
3)其他比较句型：
The+比较级，the+比较级越……，越……
比较级and比较级越来越……
Is that true that the higher education you gain the better job you can get?
受的教育多就能找到更好的工作吗?
Winter comes，so it gets colder and colder.
冬天来了，所以天气越来越冷。
4)倍数的表示法：
公式：A is+倍数+名词+of B A是B的……倍
A is+倍数+as十形容词+as B A是B的……倍
A is+倍数+比较级+than B A比B大……
Your room is twice as big as mine.
你的房间是我的两倍。
This street is four times the length of that ode.
这条街是那条街的四倍长。
This bowl is twice bigger than that olle.
这个碗比那个碗大两倍。
5)修饰比较级和最高级的副词：
修饰比较级：far，a bit，a lot，much，a great deal，rather，any，little等;
修饰最高级：far，very，second，next，much，not quite，by no means等。
This room is a bit larger than that one.
这个房间比那个房间大一点。
I think this is the very best book I have ever read.
我认为这是我读过的最好的书了。
例题及说明：
例l :New typewriters cost about price of the second-hand ones. (2004)
A. three times the B. a three times C. the three times D. three times a
说明：考查倍数。答案：A。【句子大意】新打字机的价格是二手货的三倍。
例 2:l like black coffee very much. The stronger it is, . (2004)
A. I like it better B. the more I like C. the better I like it D. I like it more
说明：考查比较级。答案：C。The more...，the more...越……，越……。【句子大意】我喜欢不加糖也不加奶油的咖啡，而且越浓越好。
