Unit 2 Topic 1 Pollution has causes too many problems Section A 同步练习

中小学教育资源及组卷应用平台


Unit 2 Saving the earth
Topic 1 Pollution has causes too many problems
Section A 同步练习
一、用所给动词的适当形式填空。
1. When I entered the room, I saw Maria ________ (read) a Chinese book.
2. What a shame! The flowers and trees in the park _________ (go).
3. Everything _____________ (change) in the past few years.
4. Pandas don’t have enough bamboos ________ (eat) now
because of the pollution.
5. — Where have they been?
— They __________ (be) to the Great Wall.
They _______ (have) a good time there the day before yesterday.
二、选择题。
1. This silk dress ___ so smooth. It’s made in China.
A. feels B. smells C. sounds D. tastes
2. — What do you think of the new foreign teacher Thomson ?
— Pretty good. I think he ___ a great job so far.
A. does B. did C. has done D. was done
3. Our math teacher ___ in our school for 20 years and he ___ here when he was 23 years old.
A. has taught ; has come B. taught ; come
C. taught ; came D. has taught ; came
4.Look! There are some boys ________ on the playground.
A. play football B. are playing football
C. playing football D. plays football
5. — I’m sorry I can’t go shopping with you. I am ill.
— ________
A. What a mess! B. What a shame!
C. What a pity! D. B and C
三、完形填空。
The earth is our home and we must take good care of it. That is to say we must 1 the land, air and water clean. But man 2 a lot of pollution on earth since he first made a fire, washed his clothes in the river and threw 3 on the ground. Many years ago, pollution was not so serious 4 there were not so many people.
There was enough 5 air, land and water. When the land or the river was dirty in one place, man moved to 6 place. Man now, 7 ,is slowly polluting the whole world and there is neither enough clean air, nor clean land, nor clean water. The more people there are in one place, 8 environment they maybe have.
Perhaps you 9 it is endless for people to produce pollution. 10 ,we are glad to tell you that people have come to know the danger of pollution and more and more people are working hard to protect our earth.
（ ）1.A.have B. take C. watch D. keep
（ ）2.A.produced B. has produced C. is producing D. will produce
（ ）3.A.rubbish B. something clean C. something useful D. food
（ ）4.A.so B. if C. because D. but
（ ）5.A.clean B. clear C. dirty D. fresh
（ ）6.A.other B. the other C. another D. others
（ ）7.A.although B. however C. too D. but
（ ）8.A.the worst B. the worse C. the bad D. worse
（ ）9.A.are glad B. are pleased C. afraid D. are afraid
（ ）10.A.Quickly B. Especially C. Luckily D. Angrily























答案：
一、1.reading 2.have gone 3.has changed 4.to eat 5.have been had
二、1-5: ACDCD
三、1. D 2.B 3.A 4.C 5.A 6.C 7.B 8.B 9.D 10.C










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