Unit 5 Amazing nature语法精讲精练(含答案解析) - 2024-2025学年外研版(2024)七年级下册英语

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名称 Unit 5 Amazing nature语法精讲精练(含答案解析) - 2024-2025学年外研版(2024)七年级下册英语
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Unit 5 Amazing nature语法精讲精练(含解析)
形容词、副词的比较级和最高级
一、形容词/副词的比较级
英语中表达比较时,需用形容词的比较级形式,用“than”引出比较对象。形容词比较级变化分规则变化和不规则变化。
(一)规则变化
1. 一般在词尾加-er,tall-taller, long-longer
2. 以字母e结尾的形容词直接加 -r, nice-nicer, fine-finer
3. 以重读闭音节结尾,末尾只有一个辅音字母,应先双写该字母,再加 -er
big-bigger, hot-hotter
4. 以“辅音字母 + y”结尾的形容词,先把y变成i,再加 -er
busy - busier
表示比较时,句子结构基本不变,将形容词变为比较级,后接“than + 比较对象”。如:
- The Yangtze River is longer than the Yellow River.(长江比黄河长。)
- London is bigger than Cambridge.(伦敦比剑桥大。)
- Summer is a hotter season than spring.(夏天比春天热。)
- Tom is a taller boy than my son.(Tom比我儿子高。)
部分双音节和多音节形容词,在其前加“more”构成比较级。如:
- Try to make the story more moving.(请使这个故事更加感人。)
- Nothing is more enjoyable than playing tennis.(没有什么比打网球更令人愉快的了。)
- It is more difficult to practise in winter (than in summer).(冬季训练(要比夏季训练)难度更大。)
(二)不规则变化
good/well - better
bad / ill, badly - worse
many / much - more
little - less
far - farther / further
二、形容词和副词的最高级
当比较三个或三个以上事物时,用形容词或副词的最高级形式。
(一)规则变化
构成方法原级最高级
一般在词尾加 -est tall - tallest , long - longest
以字母e结尾的词直接加 -st nice - nicest
以重读闭音节结尾,末尾只有一个辅音字母,应先双写该字母,再加 -est
big - biggest, hot - hottest
以“辅音字母 + y”结尾的词,先把y变成i,再加 -est
busy - busiest, easy - easiest
部分双音节和多音节单词,在单词前加most
careful - most careful
(二)使用注意事项
- 最高级表达三个及以上事物比较,后面通常用“in / of / among...”表示比较范围。如:
- He is the tallest in our class.(他是我们班个子最高的。)
- She lives (the) closest to school of all my classmates.(在我所有的同班同学中,她住得离学校最近。)
- 形容词最高级前通常加定冠词“the”;副词最高级前可加,也可不加。
(三)不规则变化
good, well - best bad / ill, badly - worst
many / much - most little - least
far - farthest / furthest
外研版(2024)七年级下册英语Unit5语法专项练习
一、用所给单词的正确形式填空(每题2分,共30分)
1. This book is ______ (interesting) than that one.
2. He runs ______ (fast) of all the boys in his class.
3. The weather is getting ______ (hot) and ______ (hot) in summer.
4. My sister is two years ______ (old) than me.
5. Which is ______ (big), the sun, the moon or the earth
6. This problem is ______ (easy) than that one.
7. Who is ______ (tall) student in your class
8. Tom is ______ (careful) than Jack when doing homework.
9. This story is ______ (moving) of all the stories I've heard.
10. You should speak English as ______ (much) as possible.
11. He is ______ (good) at math than his brother.
12. The ______ (little) you eat, the thinner you will be.
13. This box is ______ (heavy) than that one.
14. She is one of ______ (beautiful) girls in our school.
15. The ______ (far) we walk, the more tired we will be.
二、单项选择(每题2分,共30分)
1. Which city is ______, Beijing or Shanghai
A. large B. larger C. largest D. the largest
2. He is ______ than his brother.
A. strong B. stronger C. strongest D. the strongest
3. Tom is ______ of the two boys.
A. tall B. taller C. the taller D. the tallest
4. This film is ______ than that one.
A. interesting B. more interesting C. most interesting D. the most interesting
5. Who is ______ in your class
A. old B. older C. oldest D. the oldest
6. The weather in Beijing is colder than ______ in Guangzhou.
A. it B. that C. this D. those
7. Which subject is ______, math, English or Chinese
A. important B. more important C. most important D. the most important
8. The ______ you work, the ______ grades you will get.
A. hard; good B. harder; better C. hardest; best D. harder; good
9. My father is ______ in my family.
A. busy B. busier C. busiest D. the busiest
10. This book is ______ of all.
A. cheap B. cheaper C. cheapest D. the cheapest
11. She sings ______ than her sister.
A. beautiful B. more beautiful C. beautifully D. more beautifully
12. The boy is ______ to go to school.
A. enough old B. old enough C. older enough D. enough older
13. Which is ______ season in Beijing
A. good B. better C. best D. the best
14. The ______ he is, the ______ he feels.
A. busy; happy B. busier; happier C. busiest; happiest D. busier; happy
15. This question is ______ than that one.
A. easy B. easier C. easiest D. the easiest
三、根据汉语提示完成句子(每题2分,共30分)
1. 我的房间比你的房间大。
My room is ______ ______ yours.
2. 他是我们班最高的男生。
He is ______ ______ boy in our class.
3. 这本书是所有书中最有趣的。
This book is ______ ______ ______ of all the books.
4. 她跑得比我快。
She runs ______ ______ me.
5. 冬天越来越冷了。
It's getting ______ and ______ in winter.
6. 你学习越努力,成绩就越好。
______ ______ you study, ______ ______ grades you will get.
7. 他的英语比我的英语好。
His English is ______ ______ mine.
8. 这是我看过的最精彩的电影。
This is ______ ______ ______ movie I've ever seen.
9. 上海是中国最大的城市之一。
Shanghai is one of ______ ______ ______ in China.
10. 我的哥哥比我大三岁。
My brother is ______ ______ ______ than me.
11. 她唱歌比她姐姐更动听。
She sings ______ ______ than her sister.
12. 黄河是中国第二长河。
The Yellow River is ______ ______ ______ river in China.
13. 你吃的水果越多,就越健康。
______ ______ fruit you eat, ______ ______ you will be.
14. 这件外套比那件更便宜。
This coat is ______ ______ that one.
15. 他是这两个男孩中较聪明的那个。
He is ______ ______ of the two boys.一、用所给单词的正确形式填空(30分)
解析:考查形容词/副词比较级和最高级的规则变化与不规则变化,注意比较范围和固定结构。
1. more interesting
(多音节形容词,比较级用more+原级,than提示比较级)
2. fastest
(of all the boys提示最高级,副词最高级可省略the)
3. hotter; hotter
(“比较级+and+比较级”表示“越来越……”,重读闭音节双写t加er)
4. older
(than提示比较级,年龄比较用older)
5. the biggest
(三者比较用最高级,形容词最高级前加the)
6. easier
(以“辅音+y”结尾,变y为i加er)
7. the tallest
(in your class提示最高级,形容词最高级前加the)
8. more careful
(双音节形容词,比较级用more+原级)
9. the most moving
(of all提示最高级,多音节形容词用most+原级,前加the)
10. much
(as+原级+as possible固定结构,“尽可能……”)
11. better
(不规则变化,good的比较级为better)
12. less
(“the+比较级,the+比较级”结构,little的比较级为less)
13. heavier
(以“辅音+y”结尾,变y为i加er)
14. the most beautiful
(one of+最高级+名词复数,多音节形容词用most+原级,前加the)
15. farther/further
(far的比较级,“越走越远”用farther/further均可)
二、单项选择(30分)
解析:考查比较级/最高级的句式结构、修饰词及不规则变化。
1. B
(两者比较用比较级,large以e结尾直接加r)
2. B
(than提示比较级,strong直接加er)
3. C
(“of the two”特指两者中较……的,用“the+比较级”)
4. B
(多音节形容词interesting,比较级用more)
5. D
(in your class提示最高级,形容词最高级前加the)
6. B
(指代前文weather用that,避免重复)
7. D
(三者比较用最高级,important前加most,形容词最高级加the)
8. B
(“the+比较级,the+比较级”结构,hard比较级harder,good比较级better)
9. D
(in my family提示最高级,busy变y为i加est,前加the)
10. D
(of all提示最高级,cheap加est,形容词最高级前加the)
11. D
(修饰动词sings用副词beautifully,比较级加more)
12. B
(enough修饰形容词后置,“足够大”用old enough)
13. D
(season为单数,隐含四季比较,用最高级the best)
14. B
(“the+比较级,the+比较级”结构,busy变busier,happy变happier)
15. B
(than提示比较级,easy变y为i加er)
三、根据汉语提示完成句子(30分)
解析:考查比较级/最高级的句式翻译,注意固定搭配和语法结构。
1. bigger than
(“比……大”用比较级bigger than)
2. the tallest
(“最高的”用最高级the tallest)
3. the most interesting
(“最有趣的”用最高级the most interesting)
4. faster than
(“比……快”用副词比较级faster than)
5. colder; colder
(“越来越冷”用比较级+and+比较级)
6. The harder; the better
(“越努力,越好”用“the+比较级,the+比较级”)
7. better than
(“比……好”用good的比较级better than)
8. the most wonderful
(“最精彩的”用最高级the most wonderful)
9. the largest cities
(“最大的城市之一”用one of+the+最高级+复数)
10. three years older
(“大三岁”用three years older)
11. more beautifully
(修饰“唱歌”用副词比较级more beautifully)
12. the second longest
(“第二长”用the second longest,最高级前加the)
13. The more; the healthier
(“越多……越健康”用the more...the healthier)
14. cheaper than
(“比……便宜”用比较级cheaper than)
15. the cleverer
(两者中较聪明的用the+比较级cleverer)
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