【新课标】Unit 4 Inventions Period 3 Grammar 分层作业（含答案解析）
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中小学教育资源及组卷应用平台
Unit 4 Inventions Period 3 Grammar
A层作业以夯实基础
写出下列形容词和副词的比较级和最高级。
1.fast ________ _________ 2. wide ________ _________ 3.easy ___________ ___________
4.small_______ _________ 5.large__________ _________ 6.dirty___________ _____________
7.long _______ _________ 8.rude _________ __________ 9.busy___________ _____________
10.hot________ _________ 11.thin___________ _________ 12. fat ___________ _____________
13.few _______ _________ 14.good__________ _________ 15.little___________ ____________
16.badly________ _______ 17.far___________ _________ 18. difficult_________ ___________
用所给形容词和副词的适当形式填空。
Which lesson is __________ (difficult) in Book 2
Alice writes _____________(carefully ) than I.
This story is ____________( interesting) than that one.
That was one of _________( exciting) moments in 2008.
This kind of food must be ________ ( delicious )than that one.
Beihai park is one of ____________ (beautiful ) parks in Beijing.
Who’s ________(careful), Tom,Jim or Kate
That is ________(easy) of all.
He is __________(clever )boy in the class.
John is ________( short) than Tom.
She is _________(pretty)girl in the group.
Which film is __________ (interesting),this one or that one
Can you show me________(near) shop here
This bridge is as _______ ( long) as that one,but it is much ______ (wide) than that one.
I think English is one of _________ (important )subjects in middle school.
I am only one year ________ (young) than you.
B层作业：能力提升
在下列句子中填入than,as ,of 或in.
1.This table is as big _____ that one.
2.The red book is bigger _______ the blue one.
3.John is the best student _______ the class.
4.The lesson is more interesting ________ that one.
5.The apple is the largest _________ all the apples.
根据汉语提示补全句子，每空限填一词。
1.这本书比那本书好多了。This book is _____ _____ _______ that one.
2.这块月饼大，那块更大。This mooncake is ________.That one is _______.
3.吉姆比他班里任何其他的同学年龄都大。Jim is ______ ______ _______ _______ ______ in his class.
4.所有铅笔中这支铅笔最长。The pencil is _____ _____ ______ _________.
5.在学校里我们英语老师最忙。Our English teacher is ____ _______ in our school.
6.两个男孩中李雷个子高些。Li Lei is ______ _____ _______ the two boys.
7.这个问题太容易了，大家都能回答。The question is ______ _______.Everyone can answer it.
8.黄河是中国第二长河。The Yellow River is ______ ______ ______ river in China.
9.梅梅的帽子比苗苗的新。Meimei’s hat is _______ ______ ________.
夏天上海比吉林热。In summer it is _____ in Shanghai _______ in Jilin.
单项选择。
1._______ of the two women is Mrs. Brown.
A. The beautiful B.The more beautiful C. More beautiful D.The most beautiful
2.He jumps ______ of the three.
A. far B.further C.farthest D.furthest
3. There are _____ girls in Class Two than in Class Four.
A. more B.nicest C.most D.best
4.No one is ____ Mary in the class.
A. so tallest as B.as taller as C.so high as D.so tall as
5.The weather in Shenyang is even colder_______.
A. than that in Beijing B.than Beijing C.than in Beijing D.as that in Beijing
6.Peter is ______ than his brother.
A.more fatter B.much fatter C.very fat D.the fattest
7.Whose sweater is _____ of all
A. cheaper B.cheap C.cheapest D.the cheapest
8.Which month has _______ days in a year February.
A. fewer B.more C.the fewest D.the most
9.The horse is getting old and can’t run ______ it did.
A.as faster as B.so fast than C.faster D.so fast as
10.Everything is _____ on the moon than on the earth.
A. much more lighter B.much more light C.more lighter D.much lighter
11.Mu.Hunt is_______older than his friend.
A.some B.very C.quite D.much
12.This apple is____ greener than that one.
A. little B. a little C. more D.many
13. The coat bought last week is too big for me.I'd like to change it for a______one .
A. small B. large C. nicer D. smaller
14.30,000 dollars is a large amount of money, but it’s ______than we need .
A. far more B. very much C. far less D. very little
15.The air in Beijing is getting much_____ now than a few years ago.
A. clean B. cleaner C. cleanest D. the cleanest
六、下列各句有一处错误，请找出并改正。
1.I think Chinese is as more useful as maths.
2.India has the second large population in the world.
3. The pencil is longer of the two.
4.Tom is taller than any other girl in his class.
5.Kate is shorter than any girl in her class.
6.The sun is very bigger than the earth.
7.Her apple is bigger than her brother.
8.Is it more difficult to learn Chinese than learning Japanese
9.Who is older,Lucy ,Li Lei or Jim
10.He is the tallest in the three students.
C层作业:拓展延伸
请你用形容词的比较级和最高级写一篇作文，题目为“我的朋友”。
要求：
字数100字左右。
可以从年龄，性格，爱好等方面进行描写。
单词正确，语句流畅。
答案
A层作业以夯实基础
一、写出下列形容词和副词的比较级和最高级。
答案:
1.faster, fastest 2.wider, widest 3.easier, easiest 4.smaller, smallest 5.larger, largest
6.dirtier, dirtiest 7.longer, longest 8.ruder, rudest 9.busier, busiest 10.hotter, hottest
11.thinner, thinnest 12.fatter, fattest 13.fewer, fewest 14.better, best 15.less, least
16.worse, worst 17.farther/further, farthest/furthest 18.more difficult, most difficult
二、用所给形容词和副词的适当形式填空。
答案:
1. the most difficult
2. more carefully
3. more interesting
4. the most exciting
5. more delicious
6. the most beautiful
7. the most careful
8. the easiest
9. the cleverest或the most clever
10. shorter
11. the prettiest
12. more interesting
13. the nearest
14. long, wider
15. the most important
16. younger
B层作业：能力提升
三、在下列句子中填入than,as ,of 或in.
答案:
1. as
2. than
3. in
4. than
5. in
四、根据汉语提示补全句子，每空限填一词。
1. [答案] much better than
[核心短语/词汇] better than(比...更好)
[解析]比较级的结构为A +形容词或副词比较级+than+B。这里A为This book, B为that one ,指那本书，根据题意，这本书比那本书好多了，是好很多，所以用much来修饰比较级，表示好很多的程度，much要放在比较级前，good的比较级是better,所以填much better than。
2. [答案] big ; bigger
[核心短语/词汇] mooncake: 月饼
[解析]此题根据英汉对照，得知第一空考查形容词big“大的”原级，第二空考查比较级bigger“更大的”。故填big ; bigger。
3. [答案] older than the other boys
[核心短语/词汇] be older than:比......年长
[解析]根据汉语意思，可知这是含有比较级的句子。Jim意为吉姆，is是be动词，old意为老的，其比较级形式是older, be older than表示比.......年长，the other意为其他的，boy意为男孩，这里用其复数形式boys，the other boys in his class意为他班里其他的男孩，故答案为: older than the other boys。
4.答案: the; longest; of; all
核心短语/词汇: of all: 所有之中
解析:此句是主系表结构的肯定句，句中有表示范围的of all:所有之中，用形容词long的最高级longest，在形容词最高级的前面常用the。
5.答案: the busiest
核心短语/词汇: school: 学校
解析:根据题干可知，本题是一般现在时。题干的主语是our English teacher,意思是“我们的英语老师”。school的意思是“学校”。 根据题干表达的意思可知，busy的意思是“忙的，忙碌的”，其最高级是busiest。故本题的句子是: Our English teacher is the busiest in our school.故本题的答案是the busiest。
6. [答案] the; taller; of
[核心短语/词汇] two boys:两个男孩
[解析]所给句子是比较级句型，其结构为:主语+be+the+形容词的比较级+of the two...,..英汉对照可知，英文句中缺少“高些”的翻译，形容词tall(高的)的比较级为taller,结合句意，答案为the; taller; of。
7. [答案] too easy
[核心短语/词汇] question:问题 ; answer:回答
[解析]由题干可知“The question is”说明句子的主语和系动词已经具备，只需要填入is后面的表语就可以了。由中文可知空格处需要翻译“太容易”，“easy”是容易的意思，“太”要用副词，修饰形容词easy,可填入“too”。故答案为too easy.
8. [答案] the second longest
[核心短语/词汇] the Yellow River:黄河
[解析]根据英汉对照，可知缺少的汉语意思是第二长，短语“第几最..的”英语表达是: the+序数词+形容词最高级，第二即序数词second,形容词long的意思是长的，最高级是longest, the second longest译为第二长，故答案为the second longest。
9. [答案] newer; than; Miaomiao's
[核心短语/词汇] newer: 更新的
[解析]根据题意，需要表示“比苗苗的新”这一含义，新的“new”, 此处存在比较故要用比较级,比较级的标志词“than” 表示比...，......使用“newer”表示更新的，表示苗苗的要使用所有格“Miaomiao's"，故应填入“newer” “than”。
10.答案: hotter; than；核心单词或短语: in summer在夏天。
解析: hot adj热的，hotter 比较热；than conj.比，引导比较状语从句。根据句意可知第一空考查形容词比较级做表语，第二空考查从属连词引导省略的比较状语从句。故答案为hotter; than。
五、单项选择。
答案:
1.B 2.C 3.A 4.D 5.A 6.B 7.D 8.C 9.D 10.C 11.D 12. B 13.D 14.C 15. B
解析:
1.两人比较用more (比较级)三人及多人比较用most (最高级)作名词时前加the。
2.三人比较用最高级farthest。
3.二者比较用more (比较级)。
4.as/so+原型+as。
5.上海的天气比北京的冷。Than that (代指天气) in 北京。
6.修饰比较级用much。
7.三人及多人比较用most (最高级)。
8.三人及多人比较用most (最高级)作名词时前加the。
9.根据题干，可知考查原级比较not as (so)...as不如.....是原级比较，用形容词或副词原形。故选: D。
10.月球上的所有东西都比地球上轻得多。根据句中"than"，可知此处需要使用形容词的比较级，light的比较级为lighter, 常用来修饰比较级的程度副词有: a little, a bit, much，even, a lot，far等。故选: C。
本题考查比较级。
11. older: 更老的，比较级; much可修饰比较级; much older:更老得多;其余选项均不能修饰比较级，故选D。
12. greener: 更绿的，比较级; a little可修饰比较级a little greener: 更绿一点;副词little修 饰比较级时，共用法比较有限，主要用于修饰better more; more和many不能修饰比较级;故选B。
13. 句意:我上周买的大衣太大了。我想换个更小的。too big:太大了，由此可知应该换一个"smaller:更小的"，故选D。
14. 句意:三万美元是很大一笔钱，但离我们需要的还差很多。but: 但是，表转折; less: 更少的，far less: 更少地多，far可修饰比较级;故选B。
15. than: 比，提示应用比较级; cleaner: 更干净的，clean的比较级; A为原级，C和D为最高级;故选B。
六、下列各句有一处错误，请找出并改正。
答案:
1. I think: Chinese is as more useful as maths.去掉more。
2.India has the second large population in the world。改成largest。
3.T he pencil is longer of the two. 改成the longer。
4.Tom is taller. than any other girl in his class. 去掉other。
5.Kate is shorter than any girl in her class. 改成any other girl。
6.The sun is very bigger than the earth. 改成much。
7.Her apple is bigger than her brother .改成brother’s。
8.Is it more difficult to learn Chinese than learning Japanese 改成learn。
9.Who is older, Lucy, Li Lei or Jim 改成oldest。
10.He is the tallest in the three students. 改成of。
C层作业:拓展延伸
My friend
I have a good friend whose English name is Lisa. She is twelve years old. She is a very beautiful girl. Everyone in our class, including the teacher, likes her. But I'm her only best friend. We share everything we have, and we talk about almost everything to each other. We all learn well. We always study together and help each other. She is outgoing and cute. She likes to tell jokes and funny things. She likes smiling. You can always see a smile on her face. I like her because she is kind-hearted and she is my best friend.
21世纪教育网(www.21cnjy.com)
Unit 4 Inventions Period 3 Grammar
A层作业以夯实基础
写出下列形容词和副词的比较级和最高级。
1.fast ________ _________ 2. wide ________ _________ 3.easy ___________ ___________
4.small_______ _________ 5.large__________ _________ 6.dirty___________ _____________
7.long _______ _________ 8.rude _________ __________ 9.busy___________ _____________
10.hot________ _________ 11.thin___________ _________ 12. fat ___________ _____________
13.few _______ _________ 14.good__________ _________ 15.little___________ ____________
16.badly________ _______ 17.far___________ _________ 18. difficult_________ ___________
用所给形容词和副词的适当形式填空。
Which lesson is __________ (difficult) in Book 2
Alice writes _____________(carefully ) than I.
This story is ____________( interesting) than that one.
That was one of _________( exciting) moments in 2008.
This kind of food must be ________ ( delicious )than that one.
Beihai park is one of ____________ (beautiful ) parks in Beijing.
Who’s ________(careful), Tom,Jim or Kate
That is ________(easy) of all.
He is __________(clever )boy in the class.
John is ________( short) than Tom.
She is _________(pretty)girl in the group.
Which film is __________ (interesting),this one or that one
Can you show me________(near) shop here
This bridge is as _______ ( long) as that one,but it is much ______ (wide) than that one.
I think English is one of _________ (important )subjects in middle school.
I am only one year ________ (young) than you.
B层作业：能力提升
在下列句子中填入than,as ,of 或in.
1.This table is as big _____ that one.
2.The red book is bigger _______ the blue one.
3.John is the best student _______ the class.
4.The lesson is more interesting ________ that one.
5.The apple is the largest _________ all the apples.
根据汉语提示补全句子，每空限填一词。
1.这本书比那本书好多了。This book is _____ _____ _______ that one.
2.这块月饼大，那块更大。This mooncake is ________.That one is _______.
3.吉姆比他班里任何其他的同学年龄都大。Jim is ______ ______ _______ _______ ______ in his class.
4.所有铅笔中这支铅笔最长。The pencil is _____ _____ ______ _________.
5.在学校里我们英语老师最忙。Our English teacher is ____ _______ in our school.
6.两个男孩中李雷个子高些。Li Lei is ______ _____ _______ the two boys.
7.这个问题太容易了，大家都能回答。The question is ______ _______.Everyone can answer it.
8.黄河是中国第二长河。The Yellow River is ______ ______ ______ river in China.
9.梅梅的帽子比苗苗的新。Meimei’s hat is _______ ______ ________.
夏天上海比吉林热。In summer it is _____ in Shanghai _______ in Jilin.
单项选择。
1._______ of the two women is Mrs. Brown.
A. The beautiful B.The more beautiful C. More beautiful D.The most beautiful
2.He jumps ______ of the three.
A. far B.further C.farthest D.furthest
3. There are _____ girls in Class Two than in Class Four.
A. more B.nicest C.most D.best
4.No one is ____ Mary in the class.
A. so tallest as B.as taller as C.so high as D.so tall as
5.The weather in Shenyang is even colder_______.
A. than that in Beijing B.than Beijing C.than in Beijing D.as that in Beijing
6.Peter is ______ than his brother.
A.more fatter B.much fatter C.very fat D.the fattest
7.Whose sweater is _____ of all
A. cheaper B.cheap C.cheapest D.the cheapest
8.Which month has _______ days in a year February.
A. fewer B.more C.the fewest D.the most
9.The horse is getting old and can’t run ______ it did.
A.as faster as B.so fast than C.faster D.so fast as
10.Everything is _____ on the moon than on the earth.
A. much more lighter B.much more light C.more lighter D.much lighter
11.Mu.Hunt is_______older than his friend.
A.some B.very C.quite D.much
12.This apple is____ greener than that one.
A. little B. a little C. more D.many
13. The coat bought last week is too big for me.I'd like to change it for a______one .
A. small B. large C. nicer D. smaller
14.30,000 dollars is a large amount of money, but it’s ______than we need .
A. far more B. very much C. far less D. very little
15.The air in Beijing is getting much_____ now than a few years ago.
A. clean B. cleaner C. cleanest D. the cleanest
六、下列各句有一处错误，请找出并改正。
1.I think Chinese is as more useful as maths.
2.India has the second large population in the world.
3. The pencil is longer of the two.
4.Tom is taller than any other girl in his class.
5.Kate is shorter than any girl in her class.
6.The sun is very bigger than the earth.
7.Her apple is bigger than her brother.
8.Is it more difficult to learn Chinese than learning Japanese
9.Who is older,Lucy ,Li Lei or Jim
10.He is the tallest in the three students.
C层作业:拓展延伸
请你用形容词的比较级和最高级写一篇作文，题目为“我的朋友”。
要求：
字数100字左右。
可以从年龄，性格，爱好等方面进行描写。
单词正确，语句流畅。
答案
A层作业以夯实基础
一、写出下列形容词和副词的比较级和最高级。
答案:
1.faster, fastest 2.wider, widest 3.easier, easiest 4.smaller, smallest 5.larger, largest
6.dirtier, dirtiest 7.longer, longest 8.ruder, rudest 9.busier, busiest 10.hotter, hottest
11.thinner, thinnest 12.fatter, fattest 13.fewer, fewest 14.better, best 15.less, least
16.worse, worst 17.farther/further, farthest/furthest 18.more difficult, most difficult
二、用所给形容词和副词的适当形式填空。
答案:
1. the most difficult
2. more carefully
3. more interesting
4. the most exciting
5. more delicious
6. the most beautiful
7. the most careful
8. the easiest
9. the cleverest或the most clever
10. shorter
11. the prettiest
12. more interesting
13. the nearest
14. long, wider
15. the most important
16. younger
B层作业：能力提升
三、在下列句子中填入than,as ,of 或in.
答案:
1. as
2. than
3. in
4. than
5. in
四、根据汉语提示补全句子，每空限填一词。
1. [答案] much better than
[核心短语/词汇] better than(比...更好)
[解析]比较级的结构为A +形容词或副词比较级+than+B。这里A为This book, B为that one ,指那本书，根据题意，这本书比那本书好多了，是好很多，所以用much来修饰比较级，表示好很多的程度，much要放在比较级前，good的比较级是better,所以填much better than。
2. [答案] big ; bigger
[核心短语/词汇] mooncake: 月饼
[解析]此题根据英汉对照，得知第一空考查形容词big“大的”原级，第二空考查比较级bigger“更大的”。故填big ; bigger。
3. [答案] older than the other boys
[核心短语/词汇] be older than:比......年长
[解析]根据汉语意思，可知这是含有比较级的句子。Jim意为吉姆，is是be动词，old意为老的，其比较级形式是older, be older than表示比.......年长，the other意为其他的，boy意为男孩，这里用其复数形式boys，the other boys in his class意为他班里其他的男孩，故答案为: older than the other boys。
4.答案: the; longest; of; all
核心短语/词汇: of all: 所有之中
解析:此句是主系表结构的肯定句，句中有表示范围的of all:所有之中，用形容词long的最高级longest，在形容词最高级的前面常用the。
5.答案: the busiest
核心短语/词汇: school: 学校
解析:根据题干可知，本题是一般现在时。题干的主语是our English teacher,意思是“我们的英语老师”。school的意思是“学校”。 根据题干表达的意思可知，busy的意思是“忙的，忙碌的”，其最高级是busiest。故本题的句子是: Our English teacher is the busiest in our school.故本题的答案是the busiest。
6. [答案] the; taller; of
[核心短语/词汇] two boys:两个男孩
[解析]所给句子是比较级句型，其结构为:主语+be+the+形容词的比较级+of the two...,..英汉对照可知，英文句中缺少“高些”的翻译，形容词tall(高的)的比较级为taller,结合句意，答案为the; taller; of。
7. [答案] too easy
[核心短语/词汇] question:问题 ; answer:回答
[解析]由题干可知“The question is”说明句子的主语和系动词已经具备，只需要填入is后面的表语就可以了。由中文可知空格处需要翻译“太容易”，“easy”是容易的意思，“太”要用副词，修饰形容词easy,可填入“too”。故答案为too easy.
8. [答案] the second longest
[核心短语/词汇] the Yellow River:黄河
[解析]根据英汉对照，可知缺少的汉语意思是第二长，短语“第几最..的”英语表达是: the+序数词+形容词最高级，第二即序数词second,形容词long的意思是长的，最高级是longest, the second longest译为第二长，故答案为the second longest。
9. [答案] newer; than; Miaomiao's
[核心短语/词汇] newer: 更新的
[解析]根据题意，需要表示“比苗苗的新”这一含义，新的“new”, 此处存在比较故要用比较级,比较级的标志词“than” 表示比...，......使用“newer”表示更新的，表示苗苗的要使用所有格“Miaomiao's"，故应填入“newer” “than”。
10.答案: hotter; than；核心单词或短语: in summer在夏天。
解析: hot adj热的，hotter 比较热；than conj.比，引导比较状语从句。根据句意可知第一空考查形容词比较级做表语，第二空考查从属连词引导省略的比较状语从句。故答案为hotter; than。
五、单项选择。
答案:
1.B 2.C 3.A 4.D 5.A 6.B 7.D 8.C 9.D 10.C 11.D 12. B 13.D 14.C 15. B
解析:
1.两人比较用more (比较级)三人及多人比较用most (最高级)作名词时前加the。
2.三人比较用最高级farthest。
3.二者比较用more (比较级)。
4.as/so+原型+as。
5.上海的天气比北京的冷。Than that (代指天气) in 北京。
6.修饰比较级用much。
7.三人及多人比较用most (最高级)。
8.三人及多人比较用most (最高级)作名词时前加the。
9.根据题干，可知考查原级比较not as (so)...as不如.....是原级比较，用形容词或副词原形。故选: D。
10.月球上的所有东西都比地球上轻得多。根据句中"than"，可知此处需要使用形容词的比较级，light的比较级为lighter, 常用来修饰比较级的程度副词有: a little, a bit, much，even, a lot，far等。故选: C。
本题考查比较级。
11. older: 更老的，比较级; much可修饰比较级; much older:更老得多;其余选项均不能修饰比较级，故选D。
12. greener: 更绿的，比较级; a little可修饰比较级a little greener: 更绿一点;副词little修 饰比较级时，共用法比较有限，主要用于修饰better more; more和many不能修饰比较级;故选B。
13. 句意:我上周买的大衣太大了。我想换个更小的。too big:太大了，由此可知应该换一个"smaller:更小的"，故选D。
14. 句意:三万美元是很大一笔钱，但离我们需要的还差很多。but: 但是，表转折; less: 更少的，far less: 更少地多，far可修饰比较级;故选B。
15. than: 比，提示应用比较级; cleaner: 更干净的，clean的比较级; A为原级，C和D为最高级;故选B。
六、下列各句有一处错误，请找出并改正。
答案:
1. I think: Chinese is as more useful as maths.去掉more。
2.India has the second large population in the world。改成largest。
3.T he pencil is longer of the two. 改成the longer。
4.Tom is taller. than any other girl in his class. 去掉other。
5.Kate is shorter than any girl in her class. 改成any other girl。
6.The sun is very bigger than the earth. 改成much。
7.Her apple is bigger than her brother .改成brother’s。
8.Is it more difficult to learn Chinese than learning Japanese 改成learn。
9.Who is older, Lucy, Li Lei or Jim 改成oldest。
10.He is the tallest in the three students. 改成of。
C层作业:拓展延伸
My friend
I have a good friend whose English name is Lisa. She is twelve years old. She is a very beautiful girl. Everyone in our class, including the teacher, likes her. But I'm her only best friend. We share everything we have, and we talk about almost everything to each other. We all learn well. We always study together and help each other. She is outgoing and cute. She likes to tell jokes and funny things. She likes smiling. You can always see a smile on her face. I like her because she is kind-hearted and she is my best friend.
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