沪教版-七-下Unit4-Save-the-trees-讲义加练习

1、沪教版七(下) Unit4 Save the trees知识点及拓展：1. save v. 拯救 拓展： 1)救命、拯救生灵She saved the dog s life.2) 节约、节省It can save water to buy this kind of washing machine.3) 储蓄、保存、积攒In order to save money, he made a desk by himself.2. discuss v. 讨论 Let s discussthe importance of trees. 拓展： discuss with sb.Let s discuss t

2、he plan with Mr. Brown.3. argue, quarrel, debate, discuss1) argue 指提出理由或证据为自己一方的看法或立场辩护，着重说理、论证和企图说法。We heard them arguing in the other room 2) quarrel 指不友好的、吵吵嚷嚷的大声争论某事，尤其指 “吵嘴、吵架 ”。He often quarrels about their housework with his wife 3) debate 指意见对立的双方之间正式或公开的争辩。When I left, the men were still de

3、bating.4) discuss 常用词，指就某一个或某一些问题表明观点、看法等，以便统一认识，解决问题。We should discuss the problem.4. fight v. 与斗争 They help fight against pollution.拓展： fight against/ with sb./ sth. 为某人 / 某事而争论 / 打架 Have you fight with your brother just now? fight about/ over sth. 因某事而争论Don t fight about small things.5. against p

4、rep. 反对 Are you against it or for it?6. example n. 例子 Write down three examples.拓展： 1) 表示给某人举例，一般用 give。 Give an example.2) set an example to sb. 给某人树立一个榜样。 He set a good example to us.3) for example 例如，用作插入语。He ， for example ， is a good student.7. harmful adj. 有害的 They take in harmful gases from th

5、e air.拓展： 1) be harmful for(doing ) sth. 对某物有害 It s harmful for your health.2) be harmful to sb. 对某人有害 It s harmful to duce v. 产生、生产 This machine can produce oxygen.拓展： 1） produce by+ 生产者These tables were produced by him.2) produce from+ 生产地 These tables were produced from Shanghai.9. major

6、 adj. 主要的拓展： major in 主修(学科) I major in English.10. furniture n.家具 The room had little furniture in it.拓展： furniture 属表总称的物质名词（集合名词） ，没有复数形式，也不和 a/ an 连用，含义上永远是单数。 若要表示 “量 ”，则可以用 much, little, a little, a lot of, lots of 等修饰，但不能用 many, few, a few 修饰。11. carry v. 搬运、扛、背拓展： bring/ take/ carry/ get 区别b

7、ring意思为 拿来”、带来”指将某物或某人从别处带来”Bring me the book, please.take意思是拿走”带走”把某物或某人从这里 拿到”某处之意。带来”或It looks like rai n. Take a rain coat with you.carry是带着、搬运、携带”的意思，指随身携带，有背着、 扛着、抱着、提着的含义，不表明来去的方向。Do you always carry a han dbag?get是去某处将某物拿回来。There is no water in the bottle. Why not get some?12. as a result （

8、最终）结果 He won the game as a result.拓展：as a result of 由于 He was late as a result of the snow.13. the number of & a number of 区另Uthenu mberof的数量，后面用可数名词复数，但谓语动词 用单数。The number of students in our class is 55.a nu mber of许多，相当于many修饰可数名词复数， 做主语是，谓 语动词用复数。A nu mber of stude nts are pla nti ng trees on the

9、 hill.14. do one s best to do sth.尽某人最大的努力做某事=try one s best to do sth.We must do our best to protect the air.= We must try our best to protect the air.15. in many ways 用许多种方法 They help us in many ways.拓展：in的用法：1）表示时间，意为在后”常用于将来时或含有将来意味的句子中。I ll be back in an hour.2）表示地点、位置、范围、空间等。Look there is a ho

10、le in the wall.3）表示方式、手段、材料、语言等，意为用”Can you answer my question in English?16. in fact 实际上、事实上 In fact , I like your picture.17. get v.得到拓展：1） get sb. sth. 为某人弄到某物 Could you get me a new pen?2） get + adj. In summer it doesn t get dark until after 7 o clock.18. look around 四下观望，环顾 Look around this roo

11、m.拓展：look相关短语（I）look after 照看 照料 look for 寻找 （3） look around环顾四周（4） look back on 回想，回顾（5） look dow n on看不起 （6） look forward to 盼望 （7） look into 朝里面看（8） look on .as 把某人看作（9） look out当心（10） look over 仔细检查；翻阅（II）look through 浏览；仔细检查（12） look up 抬头看；查;找出Grammar现在进行时现在进行时表示1、 现在（说话的瞬间）正在进行或发生的动作，强调 此时此刻”

12、 E.g. He is reading. They are talking now.2、 当前一段时间内的活动或现阶段正在进行的动作。E.g. They are worki ng these days.3、 某些动词的现在进行时，表预定的计划或即将发生的动作。E.g I am comi ng.其结构为be+现在分词.现在分词的变法为:(1) 一般动词直接加-ing 女口： sing-singingeat-eating(2) 如以不发音的 e结尾，先去掉 e再加-ing女口:exist-existingcome-coming(3) 以重读闭音节结尾,且末尾只有一个辅音字母(x除外)的动词先双写末

13、尾辅音字母,再加-ing.女口:win-winningbeg in-begi nning但:mix-mix ingkick-kick ingexpla in-expla ining专项训练：写出下列动词的现在分词形式studyworkhavedancesitmixrunplayswimstudywritefitsingshopliste n单选：1、Look! Hetheir mother do the housework.A. is helpi ngB. are help C. is help D.is helpp ing2、are the boys doing ? They are sin

14、ging in the room.A .WhoB .HowC.WhatD.Where3、Don t talk here. My mother.A. is sleep ing B .are sleep ingC. sleep ingD .sleep4、Danny. Don t call him.A. is writei ng B .is writi ng C.writi ngD .writes5、 -Whenheback?-Sorry, I don t know.填空A. does,comeB.are comingC.is come D.is coming1、It s ten o clock.

15、My mother(lie)i n bed.2、Whathe(me nd)?3、We(play)games now.4、Whatyou(do) these days?5、he(clea n) the classroom?6、Who(sin g)i n the n ext room?7、The girl(like)weari ng a sweater. Look! She变一般疑问句)(wear)a red sweater today.句型转换1 . They are playing basketball now.(play in gbasketball now?The baby sleep i

16、ng.2. The baby is sleep ing.(变否定句)3. They are watching TV.(划线提问)they4. Don t worry. He will come to see you this afte rnoon. (变同义句)Don t worry. He to see you this after noon.5.The workers are at work now.变同义句）The workers now.Reading一、根据句意和所给的首字母完成下列句子。1. He climbed up the tree to get back the kite a

17、mong the b.2. We join the army because we want to f for our country.3. Before we move in our new house, we need to buy some f.4. Can you i what the world would be like without water?5. The little factory p two million pencils every day.二、语言知识运用。1. The doctor gave him some pills to the pain.A. take o

18、ffB. take inC. take onD. take away2. Do some sports every day. It will help you keep .A.healthyB.healthilyC. kindlyD. excitedly3. There are people here in our city. Actually, there are people here in our city.A. Millions of; three millionB. Millions of; millionsC.millions of; three million ofD. Mill

19、ion of; three million of4 、 What time is it now? It is 20:00. I think we should stop first.A. having supperB. have supperC. to have supperD. to having supper5、I bought furniture. Really? What ?A. a new; is it made ofB. a new; does it made ofC. a new piece of; is it made ofD. a new piece of; does it

20、made of6、Look at this old bridge! It is made stones.A. from B. of C. into D. Up7、I the swimming club if you it.A. join; join B. will join; join C. join; will joinD. will join; will joint see any one.8、He heard someone calling his name, so he stopped and . But he couldnA. looked around B. looked upC.

21、 looked intoD. looked for9、we cant live without trees. They ma ke our lives . I agree. We should stop people trees.A. convenient; to cut downB. conveniently; to cut downC. convenient; cutting downD. conveniently; cutting down10 、 the little dog helps his owner many ways his daily life.A. in; atB. on

22、; inC. in; inD. on; on三、根据中文提示完成下列句子。1 、事实上，他是一个好人。 ，he is a good man.2、许多家具是由木材做成的。A lot of wood 。3. 作家们的灵感许多都来源于他们的日常生活。Most of the writers ideas their .4、换掉你的热水器，否则你将会吸入过量的有害气体。Change your water-heater, you will too much.5 、如今，许多女性都能兼顾事业和家庭，例如Jane 就是其中的一位。Nowadays, many women have a career and a

23、family Jane 单元测试、语言知识及运用。（共三节，满分3分） 第一节语音（每小题1分，共10分）A、找出下列单词中划线部分的发音与其他不同的单词。11、A. skate12、A. airport13、A. ppint14、A. carry_B. skyB. _tickB. spreadB. pineC. task_C. test _C. pressC. fly15、A. agajnstB. rainC. containerB.从下列选项中找出重音与其他不同的一项。16、A. helpful17、A. disease18、A. finish19、A. oxygenB. rescueB.

24、 addressB. greet ingB. exampleC. towelC. perfectC. majorC. any where20、A. appearB. programme C. patient第二节单项选择（共10小题，每小题1分，满分21、Be sile nt! Some oneA. singsB.sang! Can you hear it?C. is si ngingD. skirtD. stepD. crisp_D. dietD. remainD. discussD.preferD. produceD. probablyD. bottom10分）D. will sing22

25、、The sky tonight is really beautiful. You can seestars smiling to you.A. 3 thousa ndsB. 3 thousa nds ofC. 3 thousa nd of D. thousa nds of23、I can t decide which dress to buy. Can you help m e?Of course! Ithe blue one best!A. likesB. likeC. am lik ingD. is liki ng24、the help of John, little Tom stops

26、. So we can enjoy our books now.A. With; cryingB. On; cryingC. With; to cryD. On; to cry25、When there is a fire, don t forget to get a wet towel so that you won ttoo much CO2.A. get i nB. make inC. put i nD. take in26、You are really busy!Yes, I must finish the work next week. Ifor London next week.A

27、. leaveB. am leav ingC. leftD. leavi ng27、What happe ned to your mother?Sorry, dad. I made herjust now.A. angryB. an grilyC. happyD. happily28、The dead teacher askedboys to clean the meeting hall.A. a nu mberB. the nu mber ofC. a nu mber of D. the nu mber of29、Can you believe that he gets so much mo

28、neyrubbish?A. with collecti ng B. by collecti ngC. of collecti ngD. by collect30、 Will you go to watch the new movie this Sun day?IA. don t; wonC. won t; won第三节语法选择_ go to watch it if it _tB.don tD. won 洪10小题，每小题,31manstop rai ning.t; don tt; doesn t满分 10分）Cai Lun inven ted paper almost 2,00033A Chi

29、nese_32wood. He the n put all the paper together and made the paperNow we still use wood to make paper. We use a lot of paper every day. If we keep onyears ago. He made paper a book.34 somuch paper, there will not be any trees left on the earth. If35no trees, there will be no paper. Everyday, people

30、 _36 about 2,800 tons of paper.We use 17 trees to make one ton of paper. This meanswe are cutting nearly 48,000 trees every day.Since it _37 more than 10 years for a tree to grow, we must start using 38 paper now. Sohow can we save paper? We can use both sides of 39 paper, especially when we are mak

31、ing notes.We can choose drinks in bottles instead of those in paper packets. We can also use cotton hankerchiefs（手帕 ）but not paper ones. When we go shopping, we can use fewer paper bags. If the shop assistant gives us a paper bag, we can save it and reuse it later.Everyone can help to save paper. If

32、 we all think carefully, we can help _40 trees. But we should doit now, before it is too late.31. A. callB. callsC. calledD.calling32.A. fromB. ofC. intoD.for33.A. fromB. ofC. intoD.for34.A. wasteB. to wasteC. wastedD.wasting35.A. there will beB.thereare C. there wasD. there wasn36.A. take inB.put o

33、nC.throw awayD.put awayB.takesC. costsD.pays38.A. manyB. fewC. fewerD.lessB. a pieceC.one pieceD.many40.A. protectB.protectsC. protectingD. to protecting三、完形填空You may think there is only 41 in the desert of the world. However, it is not true. In the desert, aswe know, there is a little _42, but it i

34、s not good enough for most plants. Still we can see some plantslive in the desert. There is 43 in some places in the desert. We call these places oases（绿洲 ）。 Inthe oases, there are villages and towns. People grow all kinds of _44 in the fields there. People alsofoodlive outside the oases. They have

35、camels, sheep and other animals. 45 are these animalsand they do not need much water. The 46 are useful to the desert people in many ways. They eatthe meat and drink the milk of the animals. They use the _47 for carryingwater, food, tents andsomething else. The people of the desert have to keep movi

36、ng from place to place. They must always _48 grass or desert plants for their animals. When there is no more 49 for their animals,they move to another place. The desert people are 50. No man in the desert would ever refuse tohelp the people introuble and give them food and water.41、A.treeB.stoneC.sa

37、ndD.plant42、A.rainB.windC.sunshineD.snow43、A.stonesB.waterC.plantsD.wood44、A.cropsB.treesC.animalsD.fish45、A.CropsB. Small animalsC. The rainD. Desert plants46、A.animalsB.grassC.waterD.crops47、A.dogsB.horsesC.elepantsD.camels48、A.look afterB.look forC.look upD.look out49、A.foodB.waterC.weatherD.land

38、50、A.happyB.uglyC.friendlyD.dark四、阅读理解（共10 小题，每小题 2分，满分 20 分）Can trees talk? Yes - but not in words. Scientists have reason to believe that trees do communicate with each other. Not long ago, researchers learned some surprising things. First a willow tree（柳树 ） attacked inthe woods by caterpillars （

39、毛毛虫 ） changed the chemistry of its leaves and made them tasteless so that the caterpillars got tired of the leaves and stopped eating them. The even more astonishing, the tree sent out a special vapor- a signal causing its neighbors to change the chemistry of their own leaves and makethemselves tast

40、e also terrible, too.Talking, of course, doesn t need to be always in words. We can talk to each other by smiling, raising ourshoulders and moving our hands. We know that birds and animals use a whole vocabulary of songs, sounds and movements. Bees dance their signals, flying in certain patterns tha

41、t tell other bees where to find nectar （ 蜜 ） for honey. So shy shouldnt trees have ways of sending messages?（173 words）51 、 from the passage, which kind of leaves dont caterpillars eat?A. leaves lying on the ground.B. leaves having an unpleasant taste.C. leaves bees don t like.D.leaves having an unf

42、amiliar shape.52 、 the willow tree described in the passage protected itself by .A. growing more branchesB. talking with birds and bees.C. changing its leaf chemistryD. shaking caterpillars off53 、 according to the passage, the willow tree was able to talk with other trees by .A. Waving its branches

43、B. giving off a special smellC.dropping its leavesD.changing the colour of its trunk54 、 According to the passage, bees talk by .A.making special movements B.touching one anotherC.smelling one another D.making unusual sounds55 、 what does the author think about the idea that trees can talk?A.it is n

44、ot true at all.B.only a few people believe it.B. The scientists made some mistakesD. It seems very reasonable.China is the best birthplace of tea. Nowdays, an increasing number of foreiners are interested in tea and the tea culture. Drinking tea is good for our health. Here are some tips for tea lov

45、ers.Green Tea is the best choice for office workersPeople who work in places with air conditioning may face skin problems. They are easy to get dry skin. However, green tea can help you solve this problem. Besides, green tea, like makeup, can prevent computer radiation（ 辐射 ）.Winter is the season to

46、drink Black TeaMany chinese people believe that different people should drink different tea. Black tea can warm the stomach, refresh the mind and accelerate digestion（加速消化 ）. Therefore, drinking warm black tea in the coldwinter is a most suitable choice.Do not drink thick teaStrong tea may take the human body much too excited and can do something bad to your cardiovascular and nervous system（ 心血管和神经系统 ）. A person may get heart or blood problems if he drinks too much strong tea.Do not drink too much tea when eatingDrinking too much tea or strong tea can stop your body from takin