人教八年级上册Unit 1--unit3 (必备单词、短语及语法练习)习题+答案_百

Unit1 Where did you go on vacation?

必备单词 短语及语法练习

Name___________ Grade___________

◇Section A 重点单词

1．anyone 任何人

2．anywhere 在任何地方

3．wonderful 精彩的；绝妙的

4．few 不多；很少

5．most 最多；大多数

6．something 某事；某物

7．nothing 没有什么；没有一件东西8．everyone 每人；人人；所有人

9．myself 我自己；我本人

10．yourself 你自己；您自己

11．hen 母鸡

12．pig 猪

13．seem 好像；似乎；看来

14．bored 厌倦的；烦闷的

15．someone 某人

16．diary 日记；记事簿

1．go on vacation 去度假

2．stay at home 待在家

3．go to summer camp 参加夏令营

4．quite a few 相当多；不少

5．of course 当然

6．most of the time 大多数时间

7．have a good time 玩得愉快

8．keep a diary 记日记

1．enjoyable 有乐趣的；令人愉快的

2．activity 活动

3．decide 决定；选定

4．try 尝试；设法；努力

5．bird 鸟

6．bicycle自行车；脚踏车

7．building 建筑物；房子

8．trader 商人

9．wonder 想知道；琢磨

10．difference 差别；差异

11．top 顶部；表面

◇Section A

◇Section B

重点短语

重点单词

12．wait 等待；等候

13．umbrella 伞；雨伞

14．wet 湿的；潮湿的；下雨的

15．below 在……下面；到……下面

16．enough 足够的(地)；充足的(地)；充分的(地)

17．hungry 饥饿的

18．as 像……一样；如同；当……时

19．hill 小山；山丘

20．duck 鸭

21．dislike 不喜爱(的事物)；厌恶(的事物)

◇Section B 重点短语

1．feel like 给……的感觉；感受到

2．because of 因为

3．in the past 在过去

4．take the train 乘火车

5．get to 到达

◇词形变换

1．wonderful→(动词)wonder

2．activity→(形容词)active

3．decide→(名词)decision

4．building→(动词)build

5．difference→(形容词)different

6．wait→(名词)waiter

7．you→(反身代词)yourself/yourselves

◇重点句型

1．Still no one seemed to be bored.似乎仍然没有人觉得无聊。

2．It was sunny and hot，so we decided to go to the beach near our hotel.天气晴朗炎热，因此我们决定到我们旅馆附近的沙滩去。

3．I felt like I was a bird.我感觉自己就像是一只鸟儿。

4．I wonder what life was like here in the past.我想知道过去这里的生活是什么样子的。

5．What a difference a day makes！一天的差异是多么大啊！

6．My legs were so tired that I wanted to stop.我的双腿很累，我想停下来。

题组训练一decide的用法

Ⅰ.单项选择。

( )1.—Mom，I don't know what to buy for my friend's birthday.

—Don't worry. You have enough time to ________.

A．try B．decide C．like D．need

( ) friend decided ________ money to buy a new car.

A．save B．saved C．to save D．saving

( ) bad weather it was！We decided ________ out this evening.

A．to go B．not going C．to not go D．not to go

Ⅱ.根据汉语意思完成句子，每空一词。

4．商店里有如此多的自行车！我不能决定买哪一辆。

There are so many bikes in the shop！I can't decide ________ ________ ________ ________．

5．昨天他们做了个决定，在这个即将来临的暑假去参观西湖。

They ________ ________ ________ yesterday to visit the West Lake in the coming summer holidays.

题组训练二__enough的用法

Ⅰ.单项选择。

( )1.—Why didn't you buy the watch?

—Because I didn't take ________ money with me.

A．new B．enough C．good D．wonderful

( )2.I think the little girl sings ________.

A．well enough B．good enough C．enough well D．enough good

( ) is rainy，but it is still warm enough ________ swimming.

A．go B．going C．goes D．to go

Ⅱ.按要求完成下列句子，每空一词。

4．The boy is so young that he can't go to school.(改为同义句)

The boy isn't ________ ________ to go to school.

5．你的哥哥足够聪明，能用英语回答这个问题。(汉译英)

Your brother is ________ ________ ________ answer the question in English.

题组训练三__seem的用法

Ⅰ.单项选择。

( ) seemed ________ playing games with his classmates.

A．enjoy B．enjoying C．enjoys D．to enjoy

( )2.—I stayed at home and watched TV all day.

—It ________ that you had a boring weekend.

A．seems B．looks C．feels D．tastes

( )3.—Long time no see!

—Oh，it ________ like years since I last saw you.

A．looks B．seems C．feels D．sounds

Ⅱ.按要求完成下列句子，每空一词。

4．The children seem to like playing basketball.(改为同义句)

________ ________ ________ the children like playing basketball.

5．他好像忘了这件事。(汉译英)

He ________ ________ ________ the thing.

题组训练四__try的用法

Ⅰ.单项选择。

( ) girl ________ to get the apple on the desk，but she was too short.

A．wondered B．helped C．enjoyed D．tried

( )2.—I didn't hear you come in just now.

—That's tried ________ any noise，for you were sleeping.

A．not make B．not to make C．to make D．making

( ) brother and I try ________ the big table，but we can't.

A．move B．moves C．to move D．moved

Ⅱ.根据汉语意思完成句子，每空一词。

4．我们应该尽力每天早上读英语。

We should ________ ________ ________ English every morning.

5．我试着做这道数学题。

I ________ ________ this math problem.

单元重难点题组训练

一、Ⅰ.1－3 BCD

Ⅱ. one to buy a decision

二、Ⅰ.1－3 BAD

Ⅱ. enough enough to

三、Ⅰ.1－3 DAB

Ⅱ. seems that /seemed to forget

四、Ⅰ.1－3 DBC

Ⅱ. to read doing

单元语法小专题(Grammar Focus)

语法精讲

复合不定代词

不指明代替任何特定名词或形容词的代词叫做不定代词，如：some，any，much，many，both，few等。本单元主要学习some，any，every，no加上thing或one构成的复合不定代词的含义及其用法。

复合不

定代词

something

anything

thing

everything

nothing

复合不

定代词

someone

one anyone

含义

某人

某人

任何人

everyone

no one

人人；大家

没有人

用法

肯定句

否定句和疑问句

肯定句

肯定句、否定句及疑问句

否定句

例句

Listen！Someone is singing.

Tom doesn't want to help anyone.

Anyone can do that.

Everyone doesn't like this movie.

No one went to the mountains yesterday.

含义

某事；某物

某事；某物

任何东西(事物)

一切

没有

什么

用法

肯定句

否定句及疑问句

肯定句

例句

I'd like something to eat.

Did you buy anything in the store？

You can take anything you like.

肯定句、疑问句及否定句 Don't worry. Everything is OK.

用于否定句中，相当于not

anything

Mr. Smith said nothing then.

【温馨提示】

(1)复合不定代词作主语时，谓语动词常用单数形式。如：

Everyone in the village is friendly.这个村子里的每个人都是友好的。

(2)复合不定代词若有定语(形容词或动词不定式)修饰时，定语要放在其后。如：

Let's do something interesting.让我们做一些有趣的事。

I'd like something to drink.我想要一些喝的东西。

(3)在表示请求、建议等的疑问句中，问话者希望得到肯定答复时，常用含有some的不定代词.如：

Would you like something to eat？你想要一些吃的东西吗？

语法精练

Ⅰ.用方框中所给的单词填空。

1．There isn't ________ new in the white box.

2．Tina is doing well in the new school. There's ________ to worry about.

3．Did you go to the farm with ________？

4．________ in the room looks very tidy and clean.

5．Come here！I have ________ important to tell you.

6．—Can you cook eggs with tomatoes?

—Yes，sure.________ can do it，because it is easy，I thinkⅡ.从括号内选择正确的单词完成句子。

7．There ________(isn't/aren't) anything interesting in the book.

8．No one ________(were/was) in front of the house.

9．Did your cousin buy ________(nothing/anything) in the supermarket?

10．Mary didn't go to the post office with ________(anyone/someone) last Sunday morning.

11．The singer is very great. Everyone here ________(know/knows) her.

Ⅲ.按要求完成下列句子，每空一词。

12．There is something interesting in the story.(改为否定句)

There ________ ________ interesting in the story.

There ________ ________ interesting in the story.

13．Someone is reading in the classroom.(改为一般疑问句)

________ ________ reading in the classroom?

14．我妈妈不知道关于这件事的任何情况，因为没有人告诉她。(汉译英)

My mother knows ________ about it because ________ ________ told her.

单元语法小专题(Grammar Focus)

Ⅰ.ng g hing ing

6．Everyone

Ⅱ.'t ng

Ⅲ.'t anything；is nothing anyone g；no one

.

everyone，anything，nothing，something，anyone，everything

Unit2 How often do you exercise?

必备单词 短语及语法练习

Name___________ Grade___________

◇Section A 重点单词

1．housework 家务劳动；家务事

2．hardly 几乎不；几乎没有

3．ever 在任何时候；从来；曾经

4．once 一次；曾经

5．twice 两次；两倍

6．Internet (国际)互联网；因特网

7．program(＝programmer) 节目

8．full 忙的；满的；充满的

9．swing 摆动；秋千；(使)摆动；摇摆

10．maybe 大概；或许；可能

11．least 最小(的)；最少(的)

1．hardly ever 几乎从不

2．swing dance 摇摆舞

3．at least 至少；不少于；起码

4．help with housework 帮助做家务

5．once a week 每周一次

6．three times a week 每周三次

7．how often 多久一次

8．use the Internet 使用互联网

9．stay up late 熬夜；睡得很晚

10．on weekends 在周末

1．coffee 咖啡

2．health 健康；人的身体(或精神)状态3．result 结果；后果

4．percent(＝per cent) 百分之……

5．online 在线(的)；联网(的)

6．television 电视节目；电视机

7．although 虽然；尽管；即使

8．through 以；凭借；穿过

9．mind 头脑；心智

10．body 身体

11．such 这样的；那样的；类似的

12．together 在一起；共同

13．die 消失；灭亡；死亡

◇Section A

◇Section B

重点短语

重点单词

14．writer 作者；作家

15．dentist 牙科医生

16．magazine 杂志；期刊

17．however 然而；不过

18．than(用以引出比较的第二部分)比

19．almost 几乎；差不多

20．none 没有一个；毫无

21．less 较少；较小；较少的；更少的

22．point 得分；点；指；指向

◇Section B 重点短语

1．junk food 垃圾食品

2．be good for 对……有好处

3．not…at all 根本不

4．go online 上网

5．the best way to do sth.做某事的最好方式

6．such as 例如；像……一样

7．more than 多于

8．less than 少于

9．go to the dentist 去看牙医

10．in one's free time 在某人的业余时间

◇词形变换

1．once→(一)one

2．twice→(二)two

3．least→(原级)little

4．health→(形容词)healthy

5．die→(形容词)dead→(名词)death

6．write→(名词)writer

◇重点句型

1．How often do you go to the movies？你多久去看一次电影？

2．How many hours do you sleep every night？你们每晚睡多少个小时的觉？

3．He plays at least twice a week. 他至少一周踢两次(足球)。

4．Although many students like to watch sports，game shows are the most popular. 尽管许多学生喜欢看运动类节目，但游戏类节目是最受欢迎的。

5．It is good to relax by using the Internet or watching game shows… 通过上网或看游戏类节目是很好的放松方式……

题组训练一 hardly的用法

Ⅰ.单项选择。

( ) was so tired that she could ________ work.

A．hard B．almost C．hardly D．never

( )2.—Why do people there ________ use umbrellas in the sun?

—Because they want to enjoy sunshine.

A．hardly B．often C．always D．usually

( ) old woman ________ leaves her house because she can't walk far.

A．usually B．ever C．hardly D．always

Ⅱ.根据句意及汉语或首字母提示填写单词。

4．It was so dark that I could ________(几乎不) see anything in the room.

5．—How often do you drink milk?

—H________ ever.

题组训练二 how短语辨析

Ⅰ.单项选择。

( )1.—________ does she practice the guitar?

—Every day.

A．How many B．How much C．How often D．How long

( )2.—________ can I keep the two books?

—A week.

A．How long B．How soon C．How much D．How often

( )3.—________ can we get to the top of the hill?

—In twenty minutes.

A．How often B．How long C．How old D．How soon

Ⅱ.按要求完成下列句子，每空一词。

4．The Blacks visit their friends twice a month．(对画线部分提问)

________ ________ ________ the Blacks visit their friends?

5．Mr. White sleeps six hours every night.(对画线部分提问)

________ ________ ________ ________ Mr. White sleep every night?

6．They can finish the hard work in two hours．(对画线部分提问)

________ ________ can they finish the hard work?

题组训练三 although的用法

Ⅰ.单项选择。

( )1.________ the water was cold，the young man jumped into it to save others.

A．Although B．When C．If D．Because

( )2.—Why do you look unhappy，Maria?

—I can't learn math well ________ I always work hard.

A．because B．and C．although D．so

( )3.________Bob is very tall，________he can't play basketball.

A．/；but B．Although；but C．Because；so D．/；although

Ⅱ.按要求完成下列句子，每空一词。

4．Although his son is very young，he knows a lot.(改为同义句)

His son is very young，________ he knows a lot.

5．虽然他很忙，但他还是回答了我的问题。(汉译英)

________ ________ ________ very busy，he still answered my questions.

题组训练四none与no one辨析

Ⅰ.单项选择。

( )1.—The cakes are quite delicious！Can I have one more?

—Sorry，there is ________ left. What about some bread?

A．none B．no one C．nothing D．nobody

( )2.—Who helped you clean the room?

—________. I did it by myself.

A．Everyone B．Someone C．None D．No one

( )3.—Why does the young have no friends?

—Because no one ________ him.

A．liked B．likes C．like D．is liking

Ⅱ.根据句意，用none或no one填空。

4．—Who are you speaking to?

—________．

5．—How many students are there in the classroom?

—________．

单元重难点题组训练

一、Ⅰ.1－3 CAC

Ⅱ.

二、Ⅰ.1－3 CAD

Ⅱ. often do many hours does soon

三、Ⅰ.1－3 ACA

Ⅱ. gh he was

四、Ⅰ.1－3 ADB

Ⅱ. one

单元语法小专题(Grammar Focus)

语法精讲

频度副词

1．频度副词的定义：表示动作或状态出现的频率的副词叫做频率或频度副词。

2．常见表示频率的副词有以下几个，它们的频率由高到低依次为：

always

usually

often

sometimes

hardly ever

never

3.频度副词在句中的位置：

频率副词在句中常位于be动词、助动词、情态动词之后，实义动词之前。sometimes有时可位于句首或句末。如：

I am always busy with my work.我总是忙于我的工作。

Susan doesn't usually eat breakfast at school.苏姗在学校通常不吃早饭。

He sometimes gets up at 5：30.＝Sometimes he gets up at 5：30.他有时5点30分起床。

总是；一直；始终

通常；经常

常常；经常

有时；不时

几乎从不；很少；难得

从不；决不

100%

90%

70%

40%

5%

0%

4．表示频率的短语有：

once/twice a week一周一次/两次，three times a day一天三次，every day/week/year每天/每星期/每年……

【温馨提示】三次或三次以上一般用“基数词＋times”来表示。

5．当对频度副词及表示事件发生频率的短语提问时，常用how often，意为“多久一次”。如：

—How often does Lisa go to the movies？丽萨多久看一次电影？

—Never.从不。

6．频率副词或短语常与一般现在时连用。如：

I never eat meat.我从不吃肉。

Jim usually does his homework in the evening.吉姆通常晚上做作业。

Sally doesn't often watch TV at the weekend.沙丽周末不常看电视。

How often do you eat fruit？你多久吃一次水果？

语法精练

Ⅰ.从括号内选择正确的单词或短语完成句子。

1．My mother is very busy，so she ________(hardly/usually) goes shopping.

2．We all like Jim，because he is kind and ________(never/always) helps others.

3．I know vegetables are good for me，but I ________(often/hardly ever) eat them.

4．Julie ________(usually/never) watches sports shows because she doesn't like sports at all.

5．—________(How often/How soon) do you go to the movies?

—Sometimes.

Ⅱ.按要求完成下列句子，每空一词。

6．She washes clothes every Sunday.(改为否定句)

She ________ ________ clothes every Sunday.

7．Jack usually does his homework at school.(改为一般疑问句)

________ Jack ________ ________ his homework at school?

8．They go to the science club three times a week．(对画线部分提问)

________ ________ ________ they go to the science club?

9．Frank usually listens to music in the evening.(对画线部分提问)

________ ________ Frank usually ________ in the evening?

10．We have English lessons on Monday，Tuesday，Thursday and Friday.(改为同义句)

We have English lessons ________ ________ a week.

Ⅲ.根据汉语意思及所给提示，翻译下列句子。

11．夏天的下午我们通常在公园里玩。(usually)

________________________________________________________________________

12．我妈妈上班从不迟到。(never)

________________________________________________________________________

13．你经常在学校图书馆读书吗？(often)

________________________________________________________________________

14．不要总是待在家里看电视。(always)

________________________________________________________________________

15．有时候我坐汽车去那里。(sometimes)

________________________________________________________________________

单元语法小专题(Grammar Focus)

Ⅰ. ever often

Ⅱ.'t wash ；usually do often do does；do

10．four times

Ⅲ. usually play in the park in the afternoon in summer.

mother is never late for work.

you often read books in the school library？

't always watch TV at home.

mes I go there by car.

Unit 3 I’m more outgoing than my sister.

必备单词 短语及语法练习

Name___________

◇Section A 重点单词

1．outgoing 爱交际的；友好的；外向的

2．both 两个；两个都

3．better 较好的(地)；更好的(地)

4．loudly 喧闹地；大声地；响亮地

5．quietly 轻声地；轻柔地；安静地

6．hard－working 工作努力的；辛勤的

7．competition 比赛；竞赛；竞争

8．fantastic 极好的；了不起的

9．which 哪一个；哪一些

10．clearly 清楚地；清晰地；明白地

11．win 获胜；赢；赢得

12．though 不过；可是；然而；虽然；尽管；不过

◇Section A 重点短语

1．play the drums 打鼓

2．as…as…和……一样

3．singing competition 歌咏比赛

◇Section B 重点单词

1．talented 有才能的；有才干的

2．truly 真正；确实

3．care 在意；担忧；关心

4．laugh 笑；发笑；笑声

5．serious 严肃的；稳重的

6．mirror 镜子

7．kid 小孩；年轻人

8．necessary 必需的；必要的

Grade___________

9．grade 成绩等级；评分等级

10．should 应该；应当；可以

11．saying 谚语；格言；警句

12．reach 伸手；到达；抵达

13．hand 手

14．touch 感动；触摸

15．heart 内心；心脏

16．fact 现实；事实

17．break(使)破；裂；碎；损坏

18．arm 手臂；上肢

19．share 分享；共享；共用；分摊

20．loud 响亮的；大声的

21．similar 相像的；类似的

22．primary 最初的；最早的

23．information 信息；消息

◇Section B 重点短语

1．care about 关心；在意

2．as long as只要；既然

3．be different from 与……不同；与……有差异

4．bring out使显现；使表现出

5．the same as和……相同；与……一致

6．in fact确切地说；事实上；实际上

7．be similar to与……相像的、类似的

8．primary school 小学

9．be talented in 在(某方面)有天赋

10．both…and………和……

11．get good grades 取得好成绩

◇词形变换

1．good/well→(比较级)better→(最高级)best

2．loudly→(形容词)loud

3．quietly→(形容词)quiet

4．competition→(动词)compete

5．clearly→(形容词)clear

6．win→(名词)winner

7．talented→(名词)talent

8．truly→(形容词)true→(名词)truth

9．care→(形容词)careful→(副词)carefully

10．saying→(动词)say

11．break→(形容词)broken

◇重点句型

1．That's Tara，isn't it？那是塔拉，对吗？

2．Tina is more outgoing than Tara.蒂娜比塔拉更外向。

3．Who is smarter，your mother or your father？你妈妈和你爸爸谁更聪明？

4．That's why I like reading books and I study harder in class.那就是我喜欢看书而且在班上学习更加努力的原因。

5．I don't really care if my friends are the same as me or different.我并不十分在乎我的朋友是否跟我一样或与我不同。

单元重难点题组训练

题组训练一 though的用法

Ⅰ.单项选择。

( )1. ________ it is raining hard，they are still working in the open air.

A．Because B．When C．Though D．Before

( )2. Her grandfather lives a simple life ________ he has much money.

A．because B．so C．though D．if

( )3.—What do you think of this song?

—________ it is not very popular，I enjoy it.

A．If B．When C．Because D．Though

Ⅱ.按要求完成下列句子，每空一词。

4．My bicycle is very old，but I don't want to buy a new one.(改为同义句)

________ my bicycle is very old，I don't want to buy a new one.

5．Though Mrs. White is more than 70，but she looks very young. (句子改错)

________________________________________________________________________

题组训练二 as long as的用法

Ⅰ.单项选择。

( )1.________ he is still in Wuhan，I can find him.

A．Before B．After C．Though D．As long as

( )2.—We will certainly enter a good high school ________ we work hard.

—Yes. Our dream will come true by working hard.

A．as soon as B．as long as C．as far as D．even if

( )3.—Would you like to go shopping with us tomorrow?

—As long as it ________.

A．don't rain B．doesn't rain C．rains D．isn't rain

Ⅱ.根据汉语意思完成句子，每空一词。

4．只要明天天气好，我们就去爬山。

We will climb the mountains ________ ________ ________ the weather is fine tomorrow.

5．只要你说实话，我将尽力帮助你。

________ ________ ________ you tell the truth，I will try to help you.

题组训练三 should的用法

Ⅰ.单项选择。

( )1.—Anna，you always get better grades than your sister. I think you ________ help your sister more.

—OK，Mom.

A．may B．can't C．should D．may not

( )2.—Wow！You are cool!

—I ________ wear my school uniform，but it's washed and wet.

A．should B．can C．may D．will

Ⅱ.按要求完成下列句子，每空一词。

3．You should help him with his math.(改为否定句)

You ________ ________ him with his math.

4．Friends should be different.(用the same改为选择疑问句)

________ friends ________ different ________ the same?

题组训练四 both与all辨析

Ⅰ.单项选择。

( ) and her friend ________ tall girls.

A．is both B．are both C．both are D．both

( )2.—Which of these two English books will you borrow?

—I'll borrow ________ of them，because they're very interesting.

A．some B．all C．any D．both

( ) Mr. Black lives happily with his three dogs.________ of them are part of his family.

A．Both B．All C．None D．Either

Ⅱ.用both或all填空。

4．I like two kinds of dresses. I'll take ________ of them.

5．________ the students in our class like playing sports very much.

6．________ of his parents are friendly to others.

7．His daughter can speak ________ English and Japanese.

8．________ of the farmers are working hard，but none of them feel tired.

单元重难点题组训练

一、Ⅰ.1－3 CCD

Ⅱ./Although 5.去掉Though或but

二、Ⅰ.1－3 DBB

Ⅱ. long as long as

三、Ⅰ.1－2 CA

Ⅱ.n't help ；be；or

四、Ⅰ.1－3 BDB

Ⅱ.

单元语法小专题(Grammar Focus)

语法精讲

形容词、副词的比较级

1．概念：英语中大多数形容词、副词有三个等级：原级、比较级和最高级。两者比较用比较级；三者或三者以上相比用最高级。比较的对象必须是属于同一性质或范畴的人或物。

2．用法：列表如下

用法

“主语＋谓语(系动词)＋比较级＋than＋对比成分”表示“……比……更……”。

含有比较级的主句＋than＋(对比的)从句。

比较级之前用much，far，a bit，a little，even，still等词修饰，用以加强语气。

“the＋比较级＋句子，the＋比较级＋句子”表示“越……就越……”。

“the＋比较级＋of the two”表示“两个中比较……的”。

名词＋介词短语＋be＋比较级＋than＋that(those)＋介词短语。

“比较级＋than any other＋单数名词”表示“比任何其他的……都……”。

表示“大几岁、高多少”等时，常用“数词＋名词＋比较级＋than…”结构。

Which/Who is＋比较级，A or B？

例句

Kate is taller than Tina.凯特比蒂娜高。

You run faster than he does/him.你比他跑得快。

His hair is much longer than mine.他的头发比我的长得多。

“比较级＋and＋比较级”表示“越来越……”。 You son is smarter and smarter.你的儿子越来越聪明了。

The more you read，the more you know.你书读得越多，你知道的就越多。

Molly is the older of the two girls.莫莉是两个女孩子中年龄较大的那个。

The weather in Harbin is colder than that in

Hangzhou.哈尔滨的天气比杭州的天气冷。

He jumps higher than any other student in his class.他比他班里的其他任何学生跳得都高。

Is he two years younger than you？他比你小两岁吗？

Who is shorter，Sam or Tom？萨姆和汤姆，谁个子更矮？

【注意】比较的对象必须一致；比较的双方必须在同一范围内。

表示两者在某一方面相同时，用“as＋形容词或副词原级＋as”的句型。如：

I think science is as important as math.我认为科学和数学一样重要。

表示一方在某一方面不及另一方时，用“not as/so＋形容词或副词原级＋as”的句型。如：

It is not as/so warm today as yesterday.今天不如昨天暖和。

语法精练

Ⅰ.用括号内所给单词的适当形式填空。

1．I think Sally did as ________(better) as Lucy in the math competition.

2．Linda is much ________ (hard－working) than Anna.

3．Who has ________ (many) books，Zhang Li or Li Ying?

4．Do you think you are ________ (outgoing) than your father?

5．It was cold yesterday，but it is much ________ (cold) today.

6．This box is much ________(heavy)，isn't it?

7．Who is ________ (funny) than you in your class?

8．I work ________(hard) this term，but David works even ________(hard)．

9．Which day was ________(hot)，today or yesterday?

10．This story is very ________(interesting)，but that story is ________(interesting) than this one.

Ⅱ.按要求完成下列句子，每空一词。

11．Mike is ten years old. Bill is ten years old，too.(合并成一句)

Mike is ________ ________ ________ Bill.

12．My room is cooler than his.(改为同义句)

His room is ________ than ________．

13．I'm not as tall as my brother.(改为同义句)

I'm ________ ________ my brother.

14．He has shorter hair than Sam.(改为同义句)

Sam's hair ________ ________ than his.

15．Japanese is not as popular as English.(改为同义句)

English is ________ ________ than Japanese.

单元语法小专题(Grammar Focus)

Ⅰ. hard-working outgoing

6．heavier r ；harder sting；more interesting

Ⅱ. old as ；mine r than longer 15．more popular