七年級下冊英語UnitSave the trees

1、七 年 級 英 語英語課題Unit4 Save the trees知識點及拓展：1. save v. 拯救To save the trees.拓展：1）to save ones life 救命、拯救生靈 She saved the dogs life. 2）節(jié)約、節(jié)省It can save water to buy this kind of washing machine. 3）儲蓄、保存、積攢In order to save money, he made a desk by himself.2. discuss v. 討論Lets discuss the importance of tree

2、s.拓展：discuss with sb.Lets discuss the plan with Mr. Brown.3. argue, quarrel, debate, discuss & reason1) argue指提出理由或證據(jù)為自己一方的看法或立場辯護，著重說理、論證和企圖說法。 We heard them arguing in the other room2) quarrel指不友好的、吵吵嚷嚷的大聲爭論某事，尤其指“吵嘴、吵架”。 He often quarrels about their housework with his wife3) debate指意見對立的雙方之間

3、正式或公開的爭辯。 When I left, the men were still debating.4) discuss常用詞，指就某一個或某一些問題表明觀點、看法等，以便統(tǒng)一認識，解決問題。 We should discuss the problem.4. fight v. 與斗爭They help fight against pollution.拓展：fight against/ with sb./ sth. 為某人/ 某事而爭論/ 打架 Have you fight with your brother just now? fight about/ over sth. 因某事而爭論 Do

4、nt fight about small things.5. against prep. 反對Are you against it or for it?6. example n. 例子Write down three examples.拓展：1) 表示給某人舉例，一般用give。 Give an example. 2) set an example to sb. 給某人樹立一個榜樣。He set a good example to us. 3) for example 例如，用作插入語。He，for example，is a good student.7. harmful adj. 有害的Th

5、ey take in harmful gases from the air.拓展：1) be harmful for （doing） sth. 對某物有害Its harmful for your health. 2) be harmful to sb. 對某人有害Its harmful to you.8. produce v. 產(chǎn)生、生產(chǎn)This machine can produce oxygen.拓展：1） produce by+ 生產(chǎn)者These tables were produced by him. 2） produce from+ 生產(chǎn)地These tables were prod

6、uced from Shanghai.9. major adj. 主要的They are major fighter against air production.拓展：major in 主修（學科）Im major in English.10. furniture n. 家具The room had little furniture in it.拓展：furniture屬表總稱的物質名詞（集合名詞），沒有復數(shù)形式，也不和a/ an連用，含義上永遠是單數(shù)。若要表示“量”，則可以用much, little, a little, a lot of, lots of等修飾，但不能用many, few

7、, a few修飾。11. carry v. 搬運、扛、背The goods will be carried by the train to London.拓展： bring/ take/ carry/ get區(qū)別 bring意思為“拿來”、“帶來”。指將某物或某人從別處“帶來”。Bring me the book, please.take意思是“拿走”，“帶走”，把某物或某人從這里“帶來”或“拿到”某處之意。It looks like rain. Take a raincoat with you.carry是“帶著、搬運、攜帶”的意思，指隨身攜帶，有背著、扛著、抱著、提著的含義，不表明來去的

8、方向。Do you always carry a handbag?get是去某處將某物拿回來。There is no water in the bottle. Why not get some?12. as a result (最終)結果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區(qū)別the number of的數(shù)量，后面用可數(shù)名詞復數(shù)，但謂語動詞用單數(shù)。The number of students i

9、n our class is 55.a number of許多，相當于many修飾可數(shù)名詞復數(shù)，做主語是，謂語動詞用復數(shù)。A number of students are planting trees on the hill.14. do ones best to do sth. 盡某人最大的努力做某事= try ones 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 用許多種方法They help us in ma

10、ny ways.拓展：in的用法: 1) 表示時間，意為“在后”，常用于將來時或含有將來意味的句子中。 Ill be back in an hour. 2) 表示地點、位置、范圍、空間等。 Look there is a hole in the wall. 3) 表示方式、手段、材料、語言等，意為“用”。Can you answer my question in English？16. in fact 實際上、事實上In fact，I like your picture.17. get v. 得到拓展：1) get sb. sth. 為某人弄到某物 Could you get me a new

11、 pen? 2) get + adj. In summer it doesnt get dark until after 7 oclock.18. look around 四下觀望，環(huán)顧Look around this room.拓展：look 相關短語(1) look after 照看,照料(2) look for 尋找(3) look around (4) look back on回想,回顧(5) look down 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當心(10) look

12、over仔細檢查;翻閱(11) look through瀏覽;仔細檢查(12) look up抬頭看;查;找出Grammar現(xiàn)在進行時現(xiàn)在進行時表示1、現(xiàn)在（說話的瞬間）正在進行或發(fā)生的動作，強調(diào)“此時此刻”。E.g. He is reading . They are talking now.2、當前一段時間內(nèi)的活動或現(xiàn)階段正在進行的動作。E.g. They are working these days.3、 某些動詞的現(xiàn)在進行時，表預定的計劃或即將發(fā)生的動作。E.g I am coming.其結構為be+現(xiàn)在分詞. 現(xiàn)在分詞的變法為：(1) 一般動詞直接加-ing 如：sing-singin

13、geat-eating(2) 如以不發(fā)音的e結尾,先去掉e再加-ing 如:exist-existing come-coming (3) 以重讀閉音節(jié)結尾,且末尾只有一個輔音字母(x除外)的動詞先雙寫末尾輔音字母,再加-ing. 如:win-winning begin-beginning 但:mix-mixing kick-kicking explain-explaining專項訓練：寫出下列動詞的現(xiàn)在分詞形式work_dance_run_study_sing_have_sit_play_write_shop_study_mix_swim_fitlisten單選：1、 Look! He _th

14、eir mother do the housework.A. is helping B. are help C. is help D.is helpping2 、_are the boys doing ? They are singing in the room.A .Who B .How C.What D.Where3、 Dont talk here. My mother _.A. is sleeping B .are sleeping C. sleeping D .sleep4 、Danny _. Dont call him.A. is writeing B .is writing C.w

15、riting D .writes5 、When_he_back? Sorry, I dont know.A. does,come B.are coming C.is come D.is coming填空1、 Its ten oclock. My mother _(lie)in bed.2、 What _ he_ (mend)?3、 We_ (play)games now.4、 What_you_ (do) these days?5、_he_ (clean) the classroom?6、 Who_ (sing)in the next room?7 、The girl_ (like)weari

16、ng a sweater. Look! She_ (wear)a red sweater today.句型轉換1They are playing basketball now. (變一般疑問句) playing basketball now? 2.The baby is sleeping. （變否定句） The baby sleeping. 3.They are watching TV. （劃線提問） they ? 4.Dont worry. He will come to see you this afternoon. （變同義句） Dont worry. He to see you thi

17、s afternoon. 5.The workers are at work now. （變同義句） The workers now.Reading 1、 根據(jù)句意和所給的首字母完成下列句子。1. He climbed up the tree to get back the kite among 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 worl

18、d would be like without water?5. The little factory p_ two million pencils every day.2、 語言知識運用。1. The doctor gave him some pills to _ the pain.A. take off B. take in C. take on D. take away2. Do some sports every day. It will help you keep _.A.healthy B.healthily C. kindly D. excitedly3. There are _

19、 people here in our city. Actually, there are _ people here in our city.A. Millions of; three million B. Millions of; millionsC.millions of; three million of D. Million of; three million of4、 What time is it now? It is 20:00. I think we should stop _ first.A. having supper B. have supperC. to have s

20、upper D. to having supper5、 I bought _ furniture. Really? What _?A. a new; is it made of B. a new; does it made ofC. a new piece of; is it made of D. a new piece of; does it 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. jo

21、in; join B. will join; join C. join; will join D. will join; will join8、 He heard someone calling his name, so he stopped and _. But he couldnt see any one. A. looked around B. looked up C. looked into D. looked for9、 we cant live without trees. They make our lives _. I agree. We should stop people

22、_ trees. A. convenient; to cut down B. conveniently; to cut down C. convenient; cutting down D. conveniently; cutting down10、 the little dog helps his owner _ many ways _ his daily life. A. in; at B. on; in C. in; in D. on; on3、 根據(jù)中文提示完成下列句子。1、 事實上，他是一個好人。_ _，he is a good man.2、 許多家具是由木材做成的。 A lot o

23、f _ _ _ _wood。3. 作家們的靈感許多都來源于他們的日常生活。 Most of the writers ideas _ _ their _ _.4、 換掉你的熱水器，否則你將會吸入過量的有害氣體。 Change your water-heater, _ you will _ _ too much.5、 如今，許多女性都能兼顧事業(yè)和家庭，例如Jane就是其中的一位。 Nowadays, many women have a career and a family Jane _ _.Grammar1、 語言知識運用。1、 look! Peter _ TV happily, but his

24、 parents are busy in the kitchen.A. is watching B. watches C. watched D. will watch2、 May I speak to the principal? Sorry, he _ a meeting now. Can I take a message?A. is having B. had C. has D. will have3、 Where is Sally? Her mother _ for her everywhere.A. looks B. looked C. is looking D. was lookin

25、g4、 Dad _ for paris tomorrow. Really? Lets go and ask him to bring back some presents for us.A. Are going to leave B. Is leaving C. Left D. leaves5、 Listen! _ you _ someone crying?A. Do; hear B. Are; hearing C. Did; hear D. Will; hear6、 Can your brother make a model airplane? Yes, these weeks he _ a

26、 new school.A. builds B. is built C. will built D. is building7、 As we know, things like that _ all over the world every day.A. Happens B. Are happenedC. Are happening D. Will be happened8、 Sam, come downstairs, please. I need your help. I dont think I can, mum. I _ on the phone.A. talk B. talked C.

27、 talking D. am talking 2、 用所給詞的正確形式填空。 Simon _(be) a businessman. He _(have) two sons. One _(study) in No. 1 Middle school, and the other is studying in No.2 Middle School. These days, Simon _(do) a big project and he _(leave) Guangzhou next week. His sons _(be) very happy because they can do everyt

28、hing they like, such as _(sleep) late, _ (watch) TV a lot and _ (eat) a lot of ice-creams. They _(look) forward to it.Speaking and Writing 1、 找出下列單詞中劃線部分的發(fā)音與其他不同的單詞。1、 A. star B. study C. stand D. post2、 A.school B. sky C. task D. score3、 A. oxygen B. major C. apologize D. gas4、 A. convenient B. ima

29、gine C. disease D. receive5、 A. against B. major C. container D. Save2、 判斷句子的正誤TF, 并在原句中改正錯句。1、 Trees help me in many ways, such as keep the air clean and produce oxygen. （ ）2、 Trees also make out lives more conveniently. ( )3、 A lot of furnitures is make of wood. ( )4、 We can protect our earth by p

30、lant more trees. ( )5、 Many people keep cutting down trees because of they want to make money from the wood. ( )More practice1、 翻譯下列詞組。1、 成千上萬 _ 2、通過做 _3、 生物 _ 4、因為 _5、 結果是 _ 6、的數(shù)量 _7、 盡力做某事 _2、 語言知識運用。1、 _ young people are waiting in the square to see their idol.A. 6 thousand B. 6 thousands C. 6 th

31、ousands of D. Thousand of2、 _ a resule, you have to study harder from now on.A. To B. In C. As D. For 3、 We should protect our enviroment _ more trees.A. in planting B. with planting C. for planting D. by planting 4、 You should cancel the visiting _ the bad weather.A. because B. because of C. why D.

32、 by5、_ our fan clubs is becoming larger and larger.A. the number of B. a number of C. the number D. a number單元評價1、 聽力（略）2、 語言知識及運用。（共三節(jié)，滿分3分）第1節(jié) 語音（每小題1分，共10分）A、 找出下列單詞中劃線部分的發(fā)音與其他不同的單詞。11、 A. skate B. sky C. task D. skirt12、 A. airport B. tick C. test D. step13、 A. point B. spread C. press D. crisp1

33、4、 A. carry B. pine C. fly D. diet15、 A. against B. rain C. container D. remainB. 從下列選項中找出重音與其他不同的一項。16、 A. helpful B. rescue C. towel D. discuss17、 A. disease B. address C. perfect D.prefer18、 A. finish B. greeting C. major D. produce19、 A. oxygen B. example C. anywhere D. probably20、 A. appear B.

34、programme C. patient D. bottom第2節(jié) 單項選擇（共10小題，每小題1分，滿分10分）21、 Be silent! Someone _! Can you hear it? A. sings B. sang C. is singing D. will sing 22、 The sky tonight is really beautiful. You can see _ stars smiling to you. A. 3 thousands B. 3 thousands of C. 3 thousand of D. thousands of23、 I cant dec

35、ide which dress to buy. Can you help me?Of course! I _ the blue one best! A. likes B. like C. am liking D. is liking 24、 _ the help of John, little Tom stops _. So we can enjoy our books now. A. With; crying B. On; crying C. With; to cry D. On; to cry25、 When there is a fire, dont forget to get a we

36、t towel so that you wont _ too much CO2. A. get in B. make in C. put in D. take in 26、 You are really busy!Yes, I must finish the work next week. I _ for London next week.A. leave B. am leaving C. left D. leaving27、 What happened to your mother?Sorry, dad. I made her _ just now. A. angry B. angrily

37、C. happy D. happily28、 The dead teacher asked _ boys to clean the meeting hall. A. a number B. the number of C. a number of D. the number of29、 Can you believe that he gets so much money _ rubbish? A. with collecting B. by collecting C. of collecting D. by collect30、 Will you go to watch the new mov

38、ie this Sunday?I _ go to watch it if it _ stop raining. A. dont; wont B. dont; dont C. wont; wont D. wont; doesnt 第3節(jié) 語法選擇(共10小題，每小題，滿分10分) A Chinese man _31_ Cai Lun invented paper almost 2,000 years ago. He made paper _32_ wood. He then put all the paper together and made the paper _33_ a book. No

39、w we still use wood to make paper. We use a lot of paper every day. If we keep on _34_ so much paper, there will not be any trees left on the earth. If _35_ no trees, there will be no paper. Every day, people _36_ about 2,800 tons of paper. We use 17 trees to make one ton of paper. This means we are

40、 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. So how can we save paper? We can use both sides of _39_ paper, especially when we are making notes. We can choose drinks in bottles instead of those in paper packets. We c

41、an 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 we all think carefully, we can help _40_ trees. But we should do it now, before

42、 it is too late. 31. A. call B. calls C. called D.calling 32.A. from B. of C. into D.for 33.A. from B. of C. into D.for 34.A. waste B. to waste C. wasted D.wasting 35.A. there will be B.there are C. there was D. there wasnt 36.A. take in B.put on C.throw away D.put away 37.A.spends B.takes C. costs

43、D.pays 38.A. many B. few C. fewer D.less 39.A.a B. a piece C.one piece D.many 40.A. protect B.protects C. protecting D. to protecting3、 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, as we know, there is a little _42_, but it is not good eno

44、ugh for most plants. Still we can see some plants live in the desert. There is _43_ in some places in the desert. We call these places oases(綠洲)。 In the oases, there are villages and towns. People grow all kinds of _44_ in the fields there. People also live outside the oases. They have camels, sheep

45、 and other animals. _45_ are these animals food and they do not need much water. The _46_ are useful to the desert people in many ways. They eat the meat and drink the milk of the animals. They use the _47_ for carrying water, food, tents and something else. The people of the desert have to keep mov

46、ing 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 to help the people introuble and give them food and water. 41、 A.tree

47、B.stone C.sand D.plant42、 A.rain B.wind C.sunshine D.snow43、 A.stones B.water C.plants D.wood44、 A.crops B.trees C.animals D.fish45、 A.Crops B. Small animals C. The rain D. Desert plants46、 A.animals B.grass C.water D.crops47、 A.dogs B.horses C.elepants D.camels48、 A.look after B.look for C.look up

48、D.look out49、 A.food B.water C.weather D.land50、 A.happy B.ugly C.friendly D.dark4、 閱讀理解（共10小題，每小題2分，滿分20分） (A) 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 willo

49、w tree (柳樹) attacked in the woods by caterpillars (毛毛蟲) 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 make themselves taste also terrible, too. Talki