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1、Unit 2 Lesson 81 .根据句意及首字母或汉语提示完成句子They are in great n of help.1. Without sunlight and good s, the trees soon died.2. Trees help c the air.3. He wanted to have a good rest in the s under a tree.4. Trees and other plants are i to people.5. My classmates often listen to Beijing Opera and learn the (基本
2、的) knowledge from professional actors.6. Last summer they had a (愉快的) trip in Hainan.7. He put all his (精力)into his work.8. We all like camping in the (森林).9. The students work hard to(实现)their dreams.n.用所给单词的适当形式填空Fruit and vegetables help us (keep) healthy.10. It is hard to sleep (with) a fan in s
3、ummer.11. It，s pleasant for my grandparents (live) in the countryside.12. There are different kinds of (plant) in the forest.13. We use mobile phones in many different (way).III.单项选择()16Its very to play Chinese chess with them. It makes me.A. pleasant; pleasedB. pleased; pleasantC. pleasant; pleasan
4、tD. pleased; pleased()17. My English is so poor. Please help to improve it.A. me B. IC. myD. mine()18. We must make sure the rain will not the soil A. blow; awayB.carry; offC.carry; awayD.take; off()19. The table is wood and paper is wood, too.A. made from; made ofmade of; made fromB. made of; made
5、intoC. made from; made in)20.一Whats in the)20.一Whats in thehole?s empty.A.SomethingB. AnythingC.NothingD. EverythingA.)21. Don，tgo outyour coat. It is so cold outside.forB. withD. fromC. withoutW. 按要求完成以下各题22. Greeting each other with a smile is necessary in our daily lives.(改为同义句) greet each other
6、with a smile in our daily lives.23. The wind and water carry the soil away.(改为否认句)The wind and water the soil away.24. The air is fresh here.(改为感叹句) the air is here!25. Trees and plants can be made into medicine.(改为同义句)Medicine from trees and plants.26. The fish can live with water.(改为同义句)The fish l
7、ive water.V.词语运用阅读下面短文，在空白处填入一个适当的单词或括号内单词的正确形式。All living things on the earth depend on(依赖)each other. 27. the same time, they all need 28.(sunlight). But only plants can turn sunlight 29. food for themselves. Plants make food from sunlight, water and things in the soil and air. They also help30.(c
8、lean) the air. Plants 31.(be) important to people. They help us fulfill 32.(we) basic needs. So we should plant plants. There are some steps for planting.33.(one), we dig a hole and make sure it is large enough to hold the roots of the seedling. Then put the seedling inside, cover the roots and 34.(
9、full) the hole with dirt. We must take care of the plants very 35.(good), or they will die.In 36. word, its pleasant to plant plants. We should plant many plants around us.答案I . 1. need 2. soil 3. clean 4. shade 5. important 6. basic 7. pleasant8. energy 9. forest 10. fulfillII. 11. (to) keep 12. wi
10、thout 13. to live14. plants 15. waysIII. 16. A pleasant用来修饰物，pleased用来修饰人。17. A me是I的宾格形式，I是主格,my是形容词性物主代词,mine是名词性物主代词。help sb. (to) do sth. 表示“帮助某人做某事”，此处需要人称代词,help是动词，故用宾格形式。18. C carry-away意为“把带走，而blow-away意为“把刮走”，由rain可知应是雨水冲走土壤。应选CoB从制成品看出原材料用be made of,看不出原材料用be made from,应选B。19. C由答语后句句意“它是空的”可知，什么也没有，应选C。20. C is necessary to 23.don，t carry24. How fresh 25. can be madecant; withoutV. 27. At 28. sunlight 29. into30. (to) clean 31. are 32. our33. First/Firstly 34.fill 35. well 36. a