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仁爱科普版七年级下册Unit8 Our Blue Planet 易错题训练
满分100分
一、重点短语/句型汉译英（共15分）
占据（空间）；占用（时间）___________
覆盖……的表面 ___________
把……分成…… ___________
不仅……而且…… ___________
对……有害 ___________
依靠；依赖 ___________
保持生态平衡 ___________
简言之；总之 ___________
地球是我们唯一的家园，我们必须好好保护它。
_________________________________
水在日常生活中对我们来说是如此重要，以至于我们不能离开它。
_________________________________
二、单词词性转换（每小题1.5分，共15分）
blue（名词，蓝色；忧郁）___________
planet（复数）___________
cover（动词-ing形式）___________
harm（形容词，有害的）___________
live（名词，生命）___________
pollute（名词，污染物）___________
important（副词）___________
protect（名词，保护者）___________
die（形容词，灭绝的；死的）___________
peace（形容词）___________
三、用括号内所给单词的适当形式填空（每小题1分，共15分）
The blue sea ______ (cover) about seventy-one percent of the earth's surface.
We should stop ______ (throw) rubbish into the river, or the fish will die.
It's important for us ______ (save) every drop of water in daily life.
The number of wild animals ______ (become) smaller and smaller because of pollution.
She spent two hours ______ (learn) about the earth's ecosystems yesterday.
Air pollution ______ (do) great harm to our health for a long time.
If we ______ (not protect) the earth, we will have no place to live in.
Trees can take in CO2 and ______ (produce) oxygen for us.
My brother is interested in ______ (study) the relationship between humans and nature.
We ______ (plant) more trees to protect the environment next World Earth Day.
Since 2020, our city ______ (build) many parks to make the air cleaner.
Don't forget ______ (turn) off the tap after washing your hands.
The earth ______ (provide) us with food and water for millions of years.
He ______ (know) a lot about the solar system since he was a little boy.
Let's ______ (work) together to make our blue planet more beautiful.
四、单项选择题（每小题1分，共15分）
( ) 1. The earth is ______ planet that we can live on in the solar system.
A. the only B. only C. a only D. only the
( ) 2. About 71% of the earth's surface ______ covered by water.
A. is B. are C. was D. were
( ) 3. Plastic bags are bad for the environment, so we should use them ______ possible.
A. as little as B. as few as C. as much as D. as many as
( ) 4. —How long ______ you ______ interested in the earth's environment
—Since I was in Grade 5.
A. do; be B. have; been C. did; be D. will; be
( ) 5. It's kind ______ you ______ so much time protecting the wild animals.
A. of; to spend B. for; to spend C. of; spending D. for; spending
( ) 6. If we keep on polluting the air, many people ______ sick soon.
A. get B. got C. will get D. have got
( ) 7. —Where ______ the polar bears ______
—They live in the Arctic.
A. do; live in B. are; live C. do; live D. are; living
( ) 8. Not only Jim but also his classmates ______ to protect the blue planet.
A. want B. wants C. wanted D. wanting
( ) 9. We should avoid ______ single-use plastics to protect the environment.
A. use B. to use C. using D. used
( ) 10. Trees can stop the soil from ______ away when it rains heavily.
A. wash B. washing C. to wash D. washed
( ) 11. The river ______ much cleaner since the government cleaned it up last year.
A. became B. has become C. will become D. becomes
( ) 12. —What can we do to save water
—We can ______ the tap when we brush our teeth.
A. turn on B. turn off C. turn up D. turn down
( ) 13. The reason why the polar bears are in danger is ______ the ice is melting.
A. that B. because C. so D. and
( ) 14. ______ the earth is our home, we should take good care of it.
A. Because B. So C. But D. Or
( ) 15. Let's plant more trees, ______
A. don't we B. won't we C. shall we D. will you
五、句型转换（按要求改写句子，一空一词，共20分）
Humans should protect the blue planet well.（改为被动语态）
The blue planet should ______ ______ well by humans.
About 71 percent of the earth's surface is covered by water.（对划线部分提问）
______ ______ of the earth's surface is covered by water
Water is very important. We can't live without it.（合并为一句，用so...that...）
Water is ______ important ______ we can't live without it.
People have polluted the river for many years.（改为否定句）
People ______ ______ the river for many years.
We will have a better earth if we protect it well.（对划线部分提问）
______ ______ we have a better earth
He spends one hour reading about the planet every day.（改为同义句）
It ______ him one hour ______ read about the planet every day.
They are cleaning the dirty lake now.（改为一般将来时）
They ______ ______ the dirty lake next week.
We can protect the earth by reusing old things.（对划线部分提问）
______ ______ we protect the earth
Many animals are in danger because people hunt them.（对划线部分提问）
______ ______ many animals in danger
He knows all about the solar system.（改为否定句）
He ______ ______ all about the solar system.
六、修改病句（圈出错误并改正，每小题2分，共10分）
The earth provide us with all the things we need to live.
There are more and more pollution in the air and water.
He has joined the Green Club since last month.
It's important for us living in harmony with nature.
Not only my mother but also my father like planting trees in spring.
七、阅读理解（选择最佳答案，每小题2分，共10分）
The earth is our only home in the solar system. It is a blue planet because about 71% of its surface is covered by water. But most of the water is salt water in the sea. Only a small part is fresh water, and most of the fresh water is in the polar ice caps and glaciers. We can only use a little fresh water in rivers and lakes.
Now, our blue planet is facing many problems. Air pollution, water pollution and deforestation are the biggest ones. Factories give off harmful gases, making the air dirty. People throw rubbish into rivers and seas, so many sea animals die. People cut down trees for wood and land, and this makes the soil erode easily. Many wild animals lose their homes and are in danger of dying out.
Luckily, more and more people realize the importance of protecting the earth. Countries make laws to stop pollution and deforestation. People plant more trees, reuse and recycle things in daily life. Students join environmental clubs and do volunteer work to protect the planet.
It's never too late to take action. Everyone can make a difference. If we all work together, our blue planet will become more beautiful and healthy.
( ) 1. Why is the earth called a blue planet
A. Because the sky is blue every day.
B. Because about 71% of its surface is covered by water.
C. Because most of the water is fresh water.
D. Because the polar ice caps are blue.
( ) 2. Where is most of the fresh water on the earth
A. In the sea. B. In rivers and lakes.
C. In the polar ice caps and glaciers. D. In the underground.
( ) 3. Which is NOT one of the biggest problems the earth is facing
A. Air pollution. B. Water pollution.
C. Deforestation. D. Too many trees.
( ) 4. What do people do to protect the earth
A. Plant more trees and reuse things.
B. Throw more rubbish into rivers.
C. Cut down more trees for wood.
D. Drive more cars every day.
( ) 5. What's the main idea of the passage
A. The earth is a blue planet with lots of water.
B. The earth is facing many environmental problems.
C. We should work together to protect our blue planet.
D. Only countries can make a difference to the earth.
参考答案
一、重点短语/句型汉译英。
take up
cover the surface of...
divide...into...
not only...but also...
do harm to / be harmful to
depend on
keep the ecological balance
in short
The earth is our only home, and we must protect it well.
Water is so important for us in daily life that we can't live without it.
二、单词词性转换.
1.blue 2.planets 3.covering 4.harmful 5.life 6.pollutant
7.importantly 8.protector 9.dead 10.peaceful
三、用括号内所给单词的适当形式填空.
1.covers 2.throwing 3.to save 4.is becoming 5.learning 6.has done
7.don't protect 8.produce 9.studying 10.will plant / are going to plant
11.has built 12.to turn 13.has provided 14.has known 15.work
四、单项选择题。
1.A 2.A 3.B 4.B 5.A 6.C 7.C 8.A 9.C 10.B 11.B 12.B 13.A 14.A 15.C
五、句型转换。
1.be protected
2.What percent
3.so; that
4.haven't polluted
5.How will
6.takes; to
7.will clean / are going to clean
8.How can
9.Why are
10.doesn't know
六、修改病句。
1.圈出provide → 改为provides（主语the earth是第三人称单数，谓语用三单）
2.圈出are → 改为is（pollution是不可数名词，be动词用is）
3.圈出joined → 改为been in（join是短暂性动词，与for+时间段连用换延续性短语）
4.圈出living → 改为to live（It's important for sb. to do sth. 固定句型）
5.圈出like → 改为likes（not only...but also...遵循就近原则，father是三单）
七、阅读理解。
1.B 2.C 3.D 4.A 5.C
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