8B U6 Pets语法专项练习
二，用所给词的正确形式填空。
1.This ruler is as_________( long) as that one.
2.Jim is not so________ (tall) as Tom.
3.This box is too________ (heavy).
4.She speaks English very_________(good).
5.The man looks so__________(young).
6.Everyone is quite____________(quietly) in the classroom.
7.Beijing is one of the_________(large)cities in China.
8．The girl studies ____ (well) than the boy.
9. Jack works the ____ (hard) among these workers.
10．He writes ____(carefully) than her.
11．The bird can fly ____ (high) than before.
12．Today he arrived ____ (early) than usual.
13．Open your mouth even ____ (wide). I can't see it clearly.
14．Of all the students, Tom did ____ (badly) in the speech competition. 15．—Do you know who writes ____ (careful) among the students? —Yes. It's Alice.
16．Jim wants to eat in the small snack bar today, because he has little money and it sells things ____ (cheap).
17．David writes ____ (care) than Melissa.
18．Lily did badly in the exam, but Lucy did even ____(badly). 19．Don't be late again. Get up a little ____ (early) than before. 20．The earlier you start, the ____ (soon) you'll be back.
三，选择最佳选项。
1.This room is____________ that one.
A.three times bigger than
B. bigger than three times
C. as big as three times
2.The earth is _____ the moon.
A. as 49 times big as
B. 49 times as bigger as
C. 49 times as big as
3.Mike gets to school________than any other student in his class.
A. more early
B. earlier
C. more earlier
4.Look at the two boys. My brother is________ of the two.
A. taller
B. the taller
C. the tallest
5.He is getting____________.
A. the taller,the taller
B.tall and tall C taller and taller
6.He does his homework_____________________.
A. more and more careful
B. more and more carefully
C. more careful
7.________ careful you are,________mistakes you’ll make.
A. More,less
B.The more,the less
C.The more,the fewer
8.Who draws________，Jenny or Danny？
A.better
B. well
C. good
9.Which season do you like_______,spring,summer or autumn？
A.well
B.best
C.better
10.Tom looks________ younger than before.
A.many
B. even
C.a lot of
11.This story is __________ interesting than that one.
A.many more
B. more more
C. much more
12.— I'm not good at physics. What shall I do?
— You should work much _____ than before.
A. hard
B. harder
C. hardest
13. Please read every sentence _____. The more _____ you are, the fewer mistakes you'll make.
A. careful; carefully
B. careful; careful
C. carefully; careful
14. —I think there is no difference between these two sentences. —Please look _____ at them, and then you will find out.
A. careful
B. more careful
C. more carefully
15. Tom didn't do his homework as _____ as his brother.
A. careful
B. carefully
C. more carefully
答案及解析：
8B U6 Pets语法专项练习
四，用所给词的正确形式填空。
1. long
解析：as…as 与……一样；中间接形容词或副词的原级。
2. taller
解析：not as/so…as 与……不一样；中间接形容词或副词的原级。
3. heavy
解析：too,very,so,quite后接原级。
4. well
解析：very后接原级，用副词well修饰实义动词speak.
5. young
解析：so后接原级，用形容词修饰感官动词look.
6. quiet
解析：quite后接原级，be动词后接形容词。
7. largest
解析：句型：one of the+形容词最高级+可数名词复数+范围8．better
解析：关键词than，用比较级；well的比较级是better.
9. hardest
解析：关键词among，表三者及以上，用最高级。
10．more carefully
解析：关键词than,用比较级；副词carefully修饰实义动词write；以-ly结尾的副词且不是形容词与副词同型，比较级在前面加more.
11．higher
解析：关键词than,用比较级；high是形容词，副词同型，比较级加-er.
12．earlier
解析：关键词than,用比较级；early是形容词，副词同型，比较级改y为i，再加-er.
13．wider
解析：关键词even,用来修饰比较级；wide是形容词，副词同型，比较级加-r.
14．worst
解析：关键词of all,指所有的范围，用最高级；badly最高级是worst.
15．most carefully
解析：同9
16．most cheaply
解析：副词cheaply修饰实义动词sell；根据句意，用cheaply的最高级 most cheaply.
17．more carefully.
解析：关键词than,用比较级；副词carefully修饰write；carefully的比较级在前加more.
18．worse
解析：同13
19．earlier
解析：关键词a little，修饰比较级.
20．sooner
解析：句型 the+比较级，the+比较级；表示越…越…
五，选择最佳选项。
1. A
解析：倍数放在系动词或实义动词的后面，倍数后接表示级的词。
2.C
解析：倍数放在系动词或实义动词的后面，倍数后接表示级的词；as…as中间接原级。
3. B
解析：early形容词与副词同型，比较级改y为i，接-er; more和-er不能同
时使用。more不可以修饰比较级。
4. B
解析：句型 the+比较级+of the two,表示两者中较……
5. C
解析：句型比较级+and+比较级，表示越来越……
6. B
解析：副词carefully修饰动词do;carefully比较级是more carefully,按照
常规是more carefully and more carefully,避免累赘，去掉第一个carefully.
7. C
解析：句型the+比较级，the+比较级；表示越…越…；mistake是可数名词，用few修饰，few是单音节，比较级在后接-er.
8.A
解析：两者比较，用比较级。
9.B
解析：三者比较，用最高级。
10.B
解析：even可以修饰比较级；many,a lot of不可以修饰比较级。
11.C
解析：much可以修饰比较级；many,more不可以修饰比较级。修饰比较级的词有：much，a lot，far，a little，a bit，,even，still，any，需识记。12.B
解析：关键词than,用比较级；hard形容词与副词同型，比较级加-er.
13. C
解析：副词carefully修饰实义动词read;be动词are后接形容词，the more careful you are 可改成 you are more careful.
14. C
解析：这里的look不是感官动词，而是实义动词，look at.用副词carefully
修饰实义动词，carefully的比较级是more carefully.
15. B
解析：as…as中间接原级；副词carefully修饰实义动词do。