Eg: English is as interesting as Chinese. 英语和语文一样有趣。 2、“A+ be + not +as +adj. + as +B” A不及B……
Eg: This book isn’t as new as that one.这本书不如那本书新。 B．形容词的比较级
1、“A + be + 形容词比较级+ than+ B” A比B更······ Eg：I am taller than you. 我比你高。
2、“who/which +be+比较级, A or B?” A和B哪一个较······？
Eg: Which is more popular，the radio or the TV？ 广播和电视哪一个更流行？ 3、“the + 比较级+ of the two” 两个中较······的
Eg: Mary is the taller of the twins. 玛丽是双胞胎中较高的一个。 4、“比较级+ and+ 比较级”越来越…
Eg: Our country will become more and more beautiful. 我们的国家会变得越来越美丽。
5、“the +比较级，the +比较级” 越······越······ Eg: The sooner，the better. 越快越好。 C．形容词的最高级
1、“A+动词+ the +形容词最高级+in/of/among······” A是······中最······的 Eg:He is the tallest in the class. 他是班上个头最高的。 2、“one of the+形容词最高级+复数名词······” 是最······之一
Eg:One of the most important langguages is English. 英语是最重要的语言之一。 3、“Which is+the+形容词最高级+of the three/of all······？” 哪一个最······？ Eg:Which is the tallest of the three boys？ 这三个男孩中谁最高？ What is the cheapest of the all? 所有东西中哪个是最便宜的？ 4、“Who/which +be+the+最高级, A , B or C? Eg：Which color do you like best, blue, green or white? D．表示倍数的
1、“·······times+as+形容词原级+as······” 是······的几倍
Eg:This garden is ten times as large as that one. 这个花园是那个的10倍大。 2、 “······times+形容词比较级+than······” 比······大/长/多几倍
Eg:Our room is twice larger than theirs. 我们的房间比他们的大两倍。 三、修饰比较级的词有：
a bit, a little, rather, much, far, many, a lot, lots, a great deal, any, still, even… 例句: It’s much colder today than yesterday. 四、注意事项:
1、比较级前面不能出现very, so, too, quite等修饰词。
2、形容词最高级前面要用the。 但是当形容词最高级前有序数词，名词所有格等限定词修饰时，最高级前不加the。
eg：The Changjiang River is the longest river in China.
He is our best teacher. (句中出现了形容词性物主代词，所以省略the) 五、总结：
1、常用的单音节形容词：
big, small, hot, cold, red, young, old, warm, happy, heavy, light, deep, tall, short, large, wide, smart, long, cheap, fat, thin, fast, slow, easy, hard, strong, clever, narrow, busy, great …
2、常用的双音节形容词：careful, honest, friendly, tired… 3、常用的多音节形容词：
handsome, beautiful, interesting, expensive, useful, famous, popular, careless, different, difficult, important, wonderful…
随堂练习
一、用所给词的适当形式填空。
1、She will be much___________ (happy) in her new house. 2、Of the two girls, I find Lucy the ___________ (clever). 3、---How _______(tall) is Sally?
---She’s 1.55 meters _______(tall). What about Xiaoling？
---She’s only 1.40 meters ________(tall). She is much _________(short) than Sally. She is also the ________(short) girl in the class.
4、She is one of the ___________(friendly) people in the class, I think. 5、Which is ___________(heavy), a hen or a chicken? 6、The __________(much), the _________(good).
7、Your classroom is __________(wide) and __________(bright) than ours. 8、My sister is two years_________ (old) than me.
9、John’s parents have 3 sons, and John is the _________ (young) child. 10、The cheapest bag is not always the _________ (bad) one.
11、Which officer chair is _________(expensive), the red one or the black one? 12、Tom has _________ (good) marks in English than Alice. 13、Beijing is the _________ (big) city in China.
14、Who has _________ (many) stamps, Jim, Helen or Mary? 二、单选题。
1. I think the story is not so _______as that one.
A. interesting B. interested C. more interesting D. most interesting 2. The science is _________than Japanese. A. much important B. important
C. much more important D. more much important 3. It was very hot yesterday, but it is ______today.
A. even hotter B. more hotter C. much more hot D. much hot 4. The earth is about ________as the moon.
A. as fifty time big B. fifty times as big
C. as big fifty times D. fifty as times big 5. Which do you like ________, tea or coffee?
A. well B. better C. best D. most 6. Beijing is one of ___________ in China.
A. the largest city B. the large cities C. the larger cities D. the largest cities 7. ---Who would you like to be our captain, John or Mark? ---I think John will be _________.
A. good B. best C. better D. the best 8. ---How do you like our school?
---I think it is _________ one in the city.
A. beautiful B. more beautiful C. much beautiful D. the most beautiful 9. Please clean your shoes. They are too _________.
A. dirty B. dirtier C. dirtiest D. the dirtiest 10. Allen spent _________ time but did _________ work than Tony. A. little; much B. less; more C. little; more D. less; much 三、根据中文提示完成下列句子。 1. 今天比昨天热多了。
It is much _________ today _________ it was yesterday. 2. 我的书包比她的书包重。 My bag is _________ _________ hers. 3. 你们班上谁最受欢迎？
Who is_________ _________ _________ student in your class? 4. 我们用更低的价钱买到了电脑，比预期中的要幸运。
We bought the computer at a _________ _________ and we were _________ than we expected.
四、根据表格，完成练习， 每空一词。 姓名 王海 性别 医生 男 出生年月 母亲职业 1986年10月 英语教师 父亲职业 所学主要课程 特长 业余爱好 语文，数学，英语，音乐，自然科学等 计算机 游泳，踢足球，听流行歌曲 My name is Wang Hai. I am a schoolboy. I was 1._________ in October, 1986. There are three people in my 2.__________. My father is a 3.__________. My mother 4._______ English at a middle school. I study 5.__________, Math, English, 6.__________, Science and some other subjects at school. I like computer best and I am very 7.________ at it. In my spare time, I enjoy 8._________ to popular songs and playing 9.________. My favorite sport in summer is 10.__________.
Unit 3 综合练习
Date:_______ name:_______
第一部分：词汇检测
一、根据句意和所给的首字母完成下列句子。
1. There are many spelling mistakes in the letter. You need to t_________ it again. 2. The main unit is the b_________ of a computer.
3. A mobile phone has a tiny s_________ in it, so we can hear sound from it. 4. The book cost me 100 Yuan. It was too e_________.
5. Guangzhou does a lot of things to c_________ the heavy traffic in the city. 二、词语释义。
( ) 1. We can hardly see me tiny pill on the ground with ourselves. A. much B. fewC. very big D. very small ( ) 2. The price ofthis new bike is 300 yuan. A. money you lose B. money you earnC. money you pay D. money you