1、Unit 4 Save the trees3課前回顧1. fight for.而戰 ”fight 過去式： foughtfight against 與作斗爭”They fight for freedom.Eg. He is fighting against his sickness.2. provide sb. with sth. = provide sth. for sb.提供給某人為某人提供3.in many ways 在許多方面“ ”in a way 在某種程度上by the way 順便說一下4. keepon the way to.在去使維持（某種狀態）的途中in this way

2、用這種方法keep+名詞+形容詞Eg. The noise kept him awake.keep +名詞 +doingEg. She kept me waiting for half an hour.keep in touch with 與 -保持聯系；5.make 普通用詞，指任何東西的制造或制造過程四下環顧 ” vt./vi.Eg.He made the desk duce 正式用詞，除表示大量生產制造外，還表示創造6.look around = look round7.furniture 不可數名詞（集合用法） 表示件數時用 pieceEg. We don 

3、9; t have much furniture.有多少家具8.be made of 由，制成"制成品能看出原材料be made from制成品看不出原材料Eg. The shirt is made of silk.Paper is made from wood.9.imagine vt.設想；想象”不可用于進行時；不可跟動詞不定式imagine +名詞/動名詞/賓語從句imagination n.Eg.I can t imagine what he looks like.10 .millions of無數的，成千上萬的“11 . (1) stop sth./doing停止某事/做某

4、事(停止做正在做的事情 )Eg.Did he stop work/working late last night?(2) stop to do表示中斷現在的行動或活動去做另一件事。不定式to do表示目的Eg.I stopped to read the newspaper.Exercises一、首字母填空。1. Look at that dog. It is hurt. Shall we s it?2. The workers are f against the decision to reduce their pay.3. Today, we are going to d the topic

5、 "Are dogs people's best friends?".4. In winter, workers usually cut the b off the trees to make them grow taller next year.5. Scientists say that the r of the trees connect with each other and pass water and food underground.6. That factory p toys for children.7. Don't drink too m

6、any soft drinks in your daily life. They are h to your health.8. Can you give me a(n) e to show that trees are important plants in people's daily lives?9. You mustn't park your car here. It is a the law.10. I cannot i life without trees. If that happens, how will we be able to live on Earth?

7、11. It is c for people to live in big cities. They can buy anything they want easily and travel comfortably.12. The m problem is who will be our class teacher next term.13. CO2 and O2 are both g. We take in O2 and give out CO 2.14. O in the air is very important to us. We need to breathe it.15. The

8、f in the room is quite old. Shall we buy a new table and four new chairs?二、根據漢語意思完成句子，每空一詞。1 .樹木需要吸收水分來存活。Trees need to water to live.2 .有很多方法來放松自己。例如，你可以聽音樂。There are many ways to relax yourself., you can listen to music.3 .確切地說，因為有他的幫助我才能按時完成工作。, I could finish the work on time because of his help

9、.4 .不要環顧四周，認真聽課。Don' t. Listen carefully in class.5 . 每年，數以百萬計的鳥兒來這里過冬。Every year,birds come here to spend theirwinter.6 .它們是抗爭空氣污染的主要戰斗者。 They are fighters air pollution.7 .我們的書桌是由金屬制作的。 Our desks are metal.8 .我知道樹木也能使我們的生活更加方便。I know trees also .三、單項選擇1. If it tomorrow, we a picnic in the park

10、.A.won 't rain, will have B.doesn'train, haveC. wonthaveD. doesn't rain,will have2. We should provide the poor student moneyA. withB.forC.ofD. to3. It is home birds and animals.A. inB. toC. aboutD.at4every day.A. cleanB. to cleanC. cleaningD. to5. Trees canharmful gases from the air.A. t

11、ake inB. take offC. take awayD . take on6. That movie made ushappy.A. feelB. to feelC. feelingD. to feeling7. Our desks arc madewood.A.of8. fromC.inD. at8. We can't imaginein the world without trees.A. live8 . to liveC. livingD. lived9 .There aretrees in this city.A. three millionsB. three milli

12、on of C. millions ofD. three millions of10. People should stopdown the trees from now on.A. to cutB.cutC. to cuttingD. cutting11. We all know trees can help usagainst pollution.A. fightingB.to fightingC. fightD.going12.She felt. so she fellsoon.A.asleep, asleepB.sleepy, sleepyC.asleep, sleepyD.sleep

13、y, asleep13. Theythis city until their parentsthem tomorrow.A.don't leave, callB. won't leave, will callC. won t leave, callD. don't leave, will call14. We must try our bestagainst the pollution.A. to fightB. fightC. to fightingD.fought15. The number of the peopleabout two thousand. A nu

14、mber of themhealthy.4. As students, we should keep our classroom10A. is, isB.are, areC.is , areD. are,is四、完形填空Plants grow everywhere. Most plants grow best in spring and 1 because the weather is warm andthere is a lot of 2. When autumn comes, plants grow 3. Some may even 4 before wintercomes. In aut

15、umn, their leaves turn yellow and 5 off. With no leaves, plants lose less water.Each plant has its own habitat( 生活環境 ).They 6 a certain temperature, sunlight and humidity( 濕度)level. When their environment is destroyed, they may die.Nowadays, human activities cause much 7.This is harmful 8 the growth

16、 of plants.9 example, the greenhouse effect( 溫室效應 )and acid rain(酸雨)are destroying the Amazon Forest. Lots of plants have died. The extinction (滅絕)of many plants is 10 us to fight pollution.1.2.()A. winter)A. cloudB. summerB. snowC. autumnD. seasonD. windC.rain3.()A. betterB. tallerC.fasterD.slower4

17、.()A. dieB. goC.growD.live5.()A. turnB. breakC.fallD.get6.()A. haveB. needC.makeD.meet7.()A. difficultyB. worryC. pollutionD. support8.()A. toB. withC. forD. at9.()A. AtB. ForC.WithD.As10L()A. protectingB. makingC. tellingD. getting重點語法現在進行時的句型變化肯定句式：主語+be( am, is, are)+現在分詞+其它.否定句式：主語 +be(am, is, a

18、re) +not +現在分詞+其它.一般疑問句：Be(am, is, are) +主語+現在分詞+其它？特殊疑問句：疑問詞 +be(am, is, are)+主語+現在分詞+其它？對現在進行時的特殊疑問句的回答，它不可以用Yes或No直接彳答，要根據實際，情況回答.Exercises一、用動詞適當形式填空。1 (I/not/watch) television very often.2 Listen! Somebody(sing).3 Sandra is tired.(she/want) to go home now.4 How often (you/read) a newspaper?5 Ex

19、cuse me, but(you/sit) in my place. - Oh, I'm sorry.6 I'm sorry(I/not/understand). Can you speak more slowly?7 What time (your father/finish) work in the evening?8 You can turn off the radio.(I/not/listen) to it.9 - Where is Paul? - In the kitchen.(he/cook) something.10 Sue(not/like) coffee.

20、(she/prefer) tea.11 (At a party) Usually I (enjoy) parties but I (not/enjoy) this one very much.二、單選題。1. 一 Listen, what ' s the noise?My brother the programme of the World Cup in the sitting -room.A. watchesB. is watchingC. has watchedD. will watch2. 一 “How about the young lady? " "It

21、' s hard to say, but her voice beautiful. ”A. singsB. hearsC. listensD. sounds3. What are you doing, Mom? I . Uncle Wang to have dinner with us tonight.A. am cooking; is going outB. cook; goes outC. am cooking; is coming4. 一Where' s your father, Mike? He in the kitchen.A. cooksB. cookedC. is

22、 cookingD. are cooked5. 一 Where is Frank now? He his bike in the yard.A. fixes upB. fixing upC. is fixing upD. fixed6. While Jim , his sister is writing.A. readsB. has readC. is readingD. read7. Look! A dog this way.A. was comingB. is comingC. cameD. comes8. Tom very happy. He must have some good ne

23、ws to tell us.A.seesB. watchesC. noticesD. looks9. 一 Do you like this cotton skirt? Yes, it nice and soft.A. is feltB. is feelingC. feelD. feels三、閱讀理解Trees are important and they can help us in many ways. However, some of them are in danger and need to be taken care of as much as possible. There are

24、 some ways to save trees.Use paper wisely. We can save trees by using paper in a right way. What can we do? Use both sides of paper when doing homework. Borrow books to read when you needn't buy them. Never throw old books away, but be kind to donate them to others who need them. In place of pap

25、er towels, use cloth towels.Plant trees. To save trees, it's a great idea to plant them. Spring is the best season to plant trees. If everyone around us does it, millions of trees will. appear and make our world become green and beautiful.Tell people to understand the importance of trees and hel

26、p save trees, Try to write letters to government official (官員)and persuade 劭)them to use as little paper as they can.()1. How many ways are there to use paper wisely?A. Two,B.Three.C. Four.D.Five.()2. What can we do if we want to save trees?A. Plant trees.B.Stop usingtowels.C. Work withthe governmen

27、t.D.Never do anyhomework.B. sell()3. What does the underlined word "donate" mean'?A. leadD. giveC. throw ()4. Which of the following is TRUE?A. All trees on the Earth are in danger.B. Trees can make our world beautiful.C. To save trees, never buy books.D. Most people can't understa

28、nd trees.()5. The passage mainly wants to tell us.A. why to save treesB. how to save treesC. where to find treesD. when to plant treesBThe weather in Vancouver is very nice. It' s warm in winter and cool in summer. It is one of the most wonderfulcities in the world.Vancouver is beautiful all yea

29、r round. There are many beautiful flowers in spring. Wild ducks come back in the springtime. They swim in lakes and enjoy the best time of the year. In summer, there are more flowers. Many flowers grow in wild fields. In autumn, Vancouver is more beautiful. Maple leaves are red over the mountains an

30、d plains. In winter, the sea is not very cold. You can swim in the sea.Vancouver is like a big park. In this big park, you can find many small parks. Canadians love nature. They always go camping with their families and friends. It is the best way to get close to nature . You just need to pay a litt

31、le money to get a camping place.()6. When do wild ducks come back?A. In spring.B. In summer. C. In autumn. D. In winter.()7. What can you see in the autumn of Vancouver according to this passage?A. Wild ducks swim in lakes.B. The snow is all over the road.C. Maple leaves are all over the mountains.D. People s