Module2 Science and technology
Unit 3 Computers Grammar (1)比较级同步练习
写出下列词的比较级。
1. big _________?? ?? 2. little _________??
3. friendly _____________ ?4. early _________? ?
5. beautiful _____________ 6. expensive_________
7. easy _________ ? 8. late _________
9. far _____________ 10.useful_________
`11.clever_________ 12.dangerous_________
单选。
1.—Is Andy ____ than Amy?
—No．Andy isn't as ____as Amy．
A.taller；tall B.?short；tall
C.?taller；shorter D.?shorter：taller
2. Bikes are ____ in our city.
A.?more popular and more popular B.?most popular and popular
C.?more popular and most popular D.?more and more popular
3.Nowadays people wish to have _____ food than before as their life improves.
A. healthy B. healthier
C. healthiest D. the healthiest
4.If you want to keep healthy, you should watch _______ TV and exercise _____.
A.?more; more B.?less; less
C.?more; less D.?less; more
5.________people you help, ________ you will be.
A .More; happier B. Many; happy
C .The more; the happier D. The many; the happy
三、情景对话。
There is nobody in the world the same as you; you are unique(独特唯一的)! Everybody is 1 ?from anybody else. That is good 2 ??it makes the world an interesting place.? ??? There are people taller? 3 ?you, and shorter than you. Maybe your hair is the same color? 4 ?your friend's hair, but maybe it is longer than 5 . Another difference is your hair may be straight, hers may be curly. ??? I am sure you have some friends who are 6 than you. And you also have some friends, they are as 7 ?at sports as you. But there are also people around you who are not good at some things. 8 ?does your best friend look like? Do you both 9 to finish your homework at school? Do you both want to wear the same clothes every day? I think? 10 some ways you are the same, but in many other ways you are different. So say loudly to the world, “I am who I am -- I'm unique!”
1. A. better?
B. different?
C. smart?
D. good
2. A. because?
B. so?
C. although
D. but
3. A. after??
B. than
C. then?
D. in front of
4. A. with?
B. as??
C. of??
D. from
5. A. her
B. she
C. hers
D. she's
6. A. smart?
B. smarter
C. smartest
D. a smart
7. A. worse
B. better
C. well
D. good?
8. A. Where
B. What?
C. How???
D. How often
9. A. like?
B. enjoy??
C. would like
D. going
10. A. through
B. by??
C. in??
D. on
四、阅读。
?I have a twin brother, Bob. He is taller than me. His hair is shorter than mine. Many people think we must have many things in common. But in fact this is not true. Bob is more outgoing than me. When my parents' friends come to our house, Bob often sits there and talks to them. But I often sit there and say nothing. Bob likes reading, cooking and drawing. I just like swimming and playing basketball. He has more hobbies than me, but he is not as athletic(擅长运动的) as me. Because Bob does better than me at school, my mom often says to me, “Bob is younger than you, but he can get better grades, you should learn from him.” We both like eating fast food and listening to music.
（1）Bob is ??????????than me.
A.?taller B.?thinner C.?shorter D.?heavier
（2）Bob and I have ????????????in common.
A.?many things B.?nothing C.?lots of things D.?a few things
（3）Bob talks????????? ?me.
A.?as much as B.?more than C.?less than D.?as little as
（4）I am ????????????Bob.
A.?more athletic than B.?more outgoing than C.?as athletic as D.?as good at schoolwork as
（5）We both like????????? ?.
A.?reading B.?cooking C.?swimming D.?music
Module2 Science and technology
Unit 3 Computers Grammar (1)比较级同步练习答案
一、略
二、ABBDC
三、（1）B；（2）A；（3）B；（4）B；（5）C；（6）B；（7）D；（8）B；（9）A；（10）C；
课件29张PPT。牛津深圳版 八年级上Module2 Science and technology
Unit 3 Computers Grammar（1）
比较级RevisionThe first computers were bigger than cars.Look and say.big比较级--biggerThe first computers were heavier than cars.heavy比较级--heavierNow computers look nicer and cooler.nice比较级--nicerNow computers are becoming smaller and better.small比较级--samallergood比较级--betterComputers can calculate at a faster speed than we can .fast比较级--fasterHuman beings are cleverer than computers. clever比较级--clevererComputers are becoming cheaper and cheaper now.Computers were more expensive before.expensive比较级--more expensivecheap比较级--cheaper形容词 fast
cheap
clever
heavy
nice
big
expensive
good
比较级fastercleverercheapernicerlongerbiggermore expensivebetter 1.big 2.hot
3.warm 4.old
5.busy 6.new
7.cool 8.small
9.cold 10.heavy
11.fat 12.thinbiggerwarmerbusiercoolercolderfatterhotteroldernewersmallerheavierthinner试着写出下列形容词的比较级。 形容词(副词)比较级的构成（1）——规则变化：Summary1. 以ing结尾的形容词。
2.以ful结尾的形容词。
3.以ed结尾的形容词。
4.多音节的形容词。（三个或三个以上音节构成的单词，
我们把他们称为多音节， 如：popular 就是多音节单词
多音节形容词和部分双音节形容词的比较级需要在其前加more构成。前面加more构成比较级的形容词一般有以下几种情况：tiring– more tiring boring– more boringcareful--- more careful wonderful---more wonderfultired---more tired bored----more boredpopular– more popular difficult—more difficult形容词(副词)比较级的构成（2）——规则变化：形容词副词比较级的构成（3）——不规则变化：写出下列词的比较级形式。
large _________??? 8. friendly_________
2. clever _________??? 9. many _______
3.lazy ________??? 10. careful_________
4. few __________??? 11. hot _______
5. dirty ________??? 12. far _______
6. wet ________??? 13. interesting _______
7.loudly________ 14.well________largerclevererlazierfewerdirtierwetterfriendliermoremore carefulhotterfarther/furtherbettermore interestingmore loudly比较级，要变化一般词尾加er。
(long-longer, tall-taller)
词尾若有哑音e, 直接加r就可以。(nice-nicer)
重读闭音节,单辅音字母要双写。
(hot-hotter, big-bigger, thin-thinner)
辅音字母若加y, 记得把y变为i。
(happy-happier, funny-funnier)
多音节更容易，词前加more 便可以。
(outgoing- more outgoing)比较级（形容词/副词）的构成口诀A.形容词比较级
The comparative of adjective语法专讲英语中，为了表现不同程度的性质，大多数形容词都有三个等级，即：原级、比较级和最高级。要比较两个人或事物，就会用到比较级。注：形容词和副词的原级就是原形。When we compare two people or things, we can use the comparative of adjectives. we form the comparative of adjectives like this: Work out the rule To form the comparative of adjectives , we often add ______to short adjectives and use ________with long adjectives
We often use ________after the comparative of adjectives.ermorethan A Complete the conversation below and on page 40 with
the comparative of adjectives. Salesman: Can I help you, sir?
David: Yes, I needa suitcase. Can
you tell me about these two?
Salesman: Sure. The red one costs￥2500,
and it’s made of leather.
David: I see. The red one is ____________
than the black one. What about the
weight? Which one is___________?big expensive heavy light small more expensive lighter big expensive heavy light small Salesman: The black one. It’s made of plastic.
Try them, sir.
David: You’re right. The red one is _______
than the balck one, and it’s _______
than the black one.
Salesman: Do you have a lot of things to carry?
David: Yes, I do. I’ll have the black one
because it’s __________ than the red one.
Salesman: Thank you very much, sir.heavier smaller bigger Tom is as lovely as Jerry.Hangzhou is not so/as hot as Xiamen.Chinese is less interesting than English.不如…1.A…+as/so+形容词原形+as+B 一、两者进行比较,表示“一方与另一方一样……”Our school is twice as big as yours.2.A…+倍数+as+原级+as+BThe number of my books is six times
as many as yours.中考链接（2018四川乐山）4. –It’s reported that Fuxing high-speed train can go as ______ as 350 km an hour.
–Wow, how amazing!
A. fastest B. faster C. fast
【答案】C
【解析】句意：——据报道，复兴高速列车能以每小时350公里的速度行驶。——哇，太神奇了！考查同级比较。as+形容词或副词+as，是同级比较，表示“和……一样……”，可排除AB两项。go是动词，需用副词修饰。根据句意结构，可知选C。The water in Glass 1
is colder than Glass 2.The weather of Xiamen
is hotter than that of
Hangzhou.代替不可数
名词1.A…+比较级+than+B二、两者进行比较,表示“一方比另一方更……”2.Who/Which is + 比较级，A or B?Mary is the taller of the twins.Which box is bigger,this one
or that one?Who is taller,Merry or Mary?The green box is the bigger of the two.3.比较级中的越来越/越…就越… hot1.It’s getting hotter and hotter
in summer.
2.English is more and more useful.The higher, the more dangerous.the +比较级，the +比较级比较级+and+比较级中考链接（2018甘肃白银 武威）23. After two years physical training, he was__________ and healthier.
A. weaker B. longer C. stronger D. shorter
【答案】C
【解析】句意：经过两年的体能训练，他变得更强壮、更健康。A. weaker更弱；B. longer更长；C. stronger更强壮；D. shorter更短。根据前面的After two years physical training“经过两年的体能训练”，可知应该是变得“强壮”，由连接词and可知空格处和后面的healthier是并列关系，所以也应用比较级形式，故答案选C。中考链接(2017. 四川遂宁)—How do you improve you English?
—__________ you speak, __________ your English will be.
A. The less; the more B. The more; the better
C. The less; the better D. The more; the less
【解析】考查比较级的用法。句意：—你怎样提高你的英语？ —_____你说，_____你的英语将会。众所周知，英语说得越多，提高越快，故选B。1.形容词和副词的比较级可以单独使用。
e.g. Are you feeling better today?
Try to do better next time.
2.比较级前可加even(更加)much(……得多)，
far(……得多)a little(……一点)a bit(一点)，
a lot(大量)still(还，还要)或倍数表示比较的程度。
注意: 比较级不能用very, so, too, quite等修饰。
e.g. The jacket is a little / much cheaper
than the sweater.
Can you speak a lot more loudly? 注意：中考链接(2017·湖南永州) —Why do many people buy things online on Nov. 11th?
—Because there are so many sales, and the prices are ______.
A. much lower B. more cheap
C. more expensive
【解析】考查形容词比较级辨析。句意：——为什么11月11日那天很多人在网上买东西呢？——因为有如此多的折扣，并且价格是______.根据语境知，本句应是更便宜，故选A。The more you use your brain, the cleverer you are.谢谢21世纪教育网（www.21cnjy.com) 中小学教育资源网站 有大把高质量资料？一线教师？一线教研员？
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