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Unit 8 Protecting the environment
Lesson 2 Look at the plastic! 同步练习
一、根据句意及提示完成句子。
1．It's a w________ of money to buy things you don't really need.
2．We must r________ the cost of our life if we want to save money.
3．We have some o________ for the weekend, like going to the movies or having a picnic.
4．It is known that China is the first country to grow, ________(生产) and drink tea.
5.A large number of ________(货物) enter and leave the Caofeidian Port in Tangshan every day.
熟词生义
写出画线单词的词性和汉语意思。
1．We can't live without water, so we shouldn't waste water._________
2．We should recycle different kinds of waste. ________
3．He uses the waste paper to make a hat. ________________________
二、用所给词的适当形式填空。
6．This milk ________(produce) is made locally in our town.
7．It's important to express our feelings ________(proper)．
8．All the leaders are talking about the ________(globe) problem.
9．When shopping, we can use ________(reuse) bags, such as cloth ones instead of plastic ones.
10.________ in big cities is getting worse because of the increasing number of cars. We should try our best to stop ________ air.(pollute)
三、从方框中选词并用其适当形式填空。

11．We all know that weather ________ farming greatly.
12．My grandpa ________ a lot from his illness.
13．Years ago, people ________ the animals for meat or fur.
14．Taking the bus is much ________ than taking a taxi.
15．After trying again and again, I finally got the ________ to the physics problem.
四、根据汉语意思完成句子，每空一词
16．树木对环境有重大影响。
Trees_______ ______ ______ _______ ______the environment.
Trees_______ ______ ______ _______ ______the environment.
17．她决定读一本书而不是看电视。
She decided to read a book _______ ______ watching TV.
18．每年都有大量的游客前往中国的首都北京旅游。
________ _____ tourists travel to Beijing, the capital of China every year.
19．如果我们现在不采取行动保护地球，后果会更严重。
If we don't take action to protect the earth now, the result will be _____ ________．
20．如果你运用一些巧妙的方法，学习英语单词很容易。
It_____ _____ _____ ______ English words if you use some clever methods.
五、完形填空。
It's March 12th.Lili and Linlin are digging on a hill not far from their school.In China, people around the country plant trees__21__on this day.
The idea of planting trees was first put forward in 1911 by Sun Zhongshan, the great __22__in China's history. He said we needed more trees as__23__against flood and drought(干旱)．In 1915, April 5th was named as Tree Planting Day.Then, in 1979, the government__24__ the day to March 12th, to remember the date on which Sun Zhongshan died.
“Everyone has __25__the Great Wall of China，” says Lili.“But have you heard of the Great Green Wall of China That's the biggest tree planting__26__of all.” The it Desert in the north of China was__27__ every year. So in 1978, the government started a tree planting project to stop it spreading.The government and local farmers planted millions of trees to build a great green “wall” along the edge(边缘) of the__28__．
“Tree planting becomes a__29__in China now，” says Linlin.“Many people do it on March 12th.Many people also plant a tree on a__30_day.My parents planted a tree when I started school.And my cousin planted one on his wedding day.We do it for the environment and for ourselves.”
(　)21.A.loyally　 B．wisely C．probably D．actively
(　)22.A.artist B．scientist C．leader D．musician
(　)23.A.protection B．condition C．pollution D．direction
(　)24.A.took B．celebrated C．changed D．gave
(　)25.A.built up B．heard of C．put on D．arrived at
(　)26.A.research B．activity C．project D．success
(　)27.A.growing B．reducing C．losing D．happening
(　)28.A.river B．mountain C．lake D．desert
(　)29.A.tradition B．business C．miracle D．effect
(　)30.A.valuable B．special C．basic D．simple
六、补全对话。
A
May: Dad, 31.____________________________________
Dad: Sure. This weekend I am free. Why do you want to go to the park
May: I like the air there. 32.________________________
Dad: Do you know why the air in the park is fresh
May: 33._____________ Maybe the trees keep the air clean.
Dad: You are right. Trees can also cool air. By the way, do you like trees
May: 34._________________ We can get wood from trees. And we can also get fruit from trees.
Dad: Yes. We can get a lot of things from trees.
May: Trees are important in our life. Dad, 35._________________________________________
Dad: It is on March 12. People usually plant plenty of trees on Tree－planting Day.
B
A: Hello, Brian! 36. _______________________________
B: Hi, Mary! I am reading today's newspaper. There is something about saving the environment.
A: Great! 37. ____________________________________
B: Well, it gives good ideas about how to save energy in our daily life.For example, we can turn off the lights when we leave the room.
A: That's easy.38. _______________________________
B: We can also ride bikes or walk instead of driving.And we should use both sides of the paper.
A: 39. ________________ What's next
B: 40. _____________________________That's because we need water nearly every minute.
A: You are right. May I read it with you
B: Of course.
参考答案
一、1. waste　2. reduce　3. options　4. produce　5. goods
熟词生义1. v．浪费　2. n．废弃物　3. adj.废弃的，无用的
二、6. product　7. properly　8. global　9. reusable
10. Pollution; polluting
三、11. affects　12. suffered　13. killed　14. cheaper
15. solution
四、16. have a big impact on; make a big difference to
17. instead of　18. Millions of　19. even worse
20. is easy to learn
五、21～25: DCACB　26～30: CADAB
六、31. Can we go to the park this weekend
32. It's very fresh.　33. I'm not sure.　34. Yes, I do.
35. When is Tree－planting Day
36. What are you doing
37. What is it about？/What does it say
38. What else can we do？　39. Good idea.
40. Water is important./We should save water.
kill, solve, cheap, affect, suffer

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