人教版九年級英語Unit13-sectionAWe're rying to save the earth

1、Unit 13Were trying to save the earth.Section A學(xué)習(xí)目標(biāo) Key words & phrases: litter, bottom, fisherman, coal, ugly,costadvantage, wooden, plastic, make a difference Key sentences: 1. The river was dirty. Even the bottom of the river was full of rubbish. 2. But it used to be so clean! 3. Yes, but people a

2、re throwing litter into the river. litterbottomfishermancoaluglyadvantagecostwoodenplastictakeawaybinlt(r)n.廢棄物，垃圾btmn.底部; 臀部frmn n.漁夫kln.煤; 煤塊liadj.丑陋的; 難看的;dvntd n.有利條件,優(yōu)點kstv.花費(fèi) n.花費(fèi)，價錢wdnadj.木制的; 木頭的;plstkadj.塑料的 n.塑料外賣食物bnn.垃圾箱Words and ExpressionsBeautiful earth many years ago.The earth is pol

3、luted.air pollutionThe factories that burn coal pollute the air with a lot of black smoke. Vehicle emissionsfireworkswater pollutionFactories put waste into the river.mobile phone pollution（unusful litter）e-waste（electronic）noise pollutionpress the horn white pollutionWhat should we do?Protect our e

4、arth.1aHere are some words related to different kinds of pollution.Write them in the box below.Then add more words.loud music cars rubbish planes littering ships factories smoking building houses mobile phonesnoise pollution _air pollution _water pollution _loud musicplanesmobile phonesfactoriescars

5、smokingshipsfactorieslitteringrubbishbuilding housesbuilding houses1bListen and complete the sentences.What was the problem?The river was _. Even the bottom (底部) of the river was full of_.There were no more _ for fishermen (漁民) to catch.really dirtyrubbishfishWhat caused the problem?People are throw

6、ing _ into the river.Factories are putting _ （廢棄物）into the river.How should the problem be solved?We should write to the _ and ask them to _ the factories.Everyone should help to _ the river.litterwastegovernmentclose downclean up1cThe river was dirty.Even the bottom of the river was full of rubbish

7、(沒用的東西(被扔或?qū)⒁獊G棄的無用的東西)”不可回收).But it used to be（過去是） so clean!Role-play the conversation. Yes, but people are throwing litter(亂扔的廢物(紙屑、不要的包裝紙、廢瓶等)”還可回收) into（把.丟進(jìn)） the river.Everyone in this town should play a part in cleaning（參與)it up!2aListen to the interview. Circle the kinds of pollution that Jaso

8、n and Susan talk about. land pollution B. air pollutionC. noise pollution D. water pollution2bListen again and complete the sentences.1. The air is badly polluted because there are _ on the road these days.2. Factories that burn coal(燒煤） also _ the air with a lot of black smoke.3. There is also too

9、much rubbish and waste. People _ things every day.4. People are also littering（亂丟雜物） in_like parks.This is turning beautiful places into ugly (丑陋的) ones. more carspolluteare throwing awaypublic placesUse the information in 2a and 2b to role-play conversations between Jason and Susan.2cThe air has be

10、come really polluted around here. Im getting very worried.Yes, I used to be able to(be able to能做.) see stars in the sky.The problem is that Help save the earth We must think of better ways to treat our planet in future.If you drink a can of cola. What do you do?I throw away cans.I recycle cans.You t

11、hrow away the cans. Thats bad for the Earth.You recycle the cans.Thats good for the Earth.There are a lot of old newspapers at your home. What do you do?I throw the old newspapers away.I recycle the old newspapers.You waste paper.Thats bad for the Earth.You save paper. Thats good for the Earth.You g

12、o shopping. What do you do?I use a lot of new plastic bags.I use my own bag.You use a lot of new plastic bags. Thats bad for the earth.You use your own bag. Thats good for the Earth.When you write on a piece of paper,what do you do?I write on one side only.I write on both sides.You use paper on both

13、 sides. Thats good for the Earth.You use paper on one side only. Thats bad for the Earth.Discussion1. _ the lights when you leave a room.2.Take public transportation,such as _ _,_.3.Stop using _ _or_ _4._books and paper.5._.6._.Turn offby busshared-bikeplastic bagsdisposable dishwareRecyclePlant mor

14、e trees.Save the water,dont waste any water.What should we do to save the earth?2dRead 2d and complete the chart.ProblemsSolving problemsair pollutionwaste pollutionrubbishtake the bus, subway or ride a bike instead of driving1.bring a bag to go shopping, 2.never take wooden chopsticks or plastic fo

15、rks throw rubbish in the bins1.解決2.減少3.代替+ing4.好處5.cost花費(fèi),主語是物6.垃圾污染7.開始做某事，事情已經(jīng)開始做了.8.外賣9.記得做某事，動作未發(fā)生10.產(chǎn)生影響或作用11.引領(lǐng)sharkfincruelharmfulbe harmful toat the top ofchainthe food chainecosystemindustrylawscientific:rk n.鯊魚; 坑蒙拐騙的人fn n.魚鰭krul adj.殘酷的，殘忍的 h:rmfl adj.有害的; 對.有害的在.頂部ten n.鏈子，鏈條 食物鏈i:ksstmn

16、.生態(tài)系統(tǒng)ndstri n.工業(yè); 行業(yè)l: n.法律法規(guī)santfkadj.科學(xué)的; 科學(xué)上的Words and Expressions2. What do you know about sharks?Discuss with your partner:鯊魚需要保護(hù)，我們餐桌上香噴噴的魚翅湯就是鯊魚的鰭做的，一旦被割去了背鰭，鯊魚就會因為失去平衡能力沉到海底餓死。（魚翅的營養(yǎng)價值和一碗粉絲差不多，吃魚翅毫無意義）Shark fin soupWhere shark fin soup is popularNumber of sharks caughtand traded every yearHo

17、w government can helpTwo environmental groups against “finning”Southern China70 milliondevelop laws to stop the sale of shark finsWildAid and the WWF3aRead the passage about sharks and complete the fact sheet below.Save the sharks!Many have heard of(聽說） shark fin soup.This famous and expensive dish

18、is especially popular in southern China.But do you realize that youre killing a whole shark each time（每次） you enjoy a bowl of shark fin soup?When people catch sharks,they cut off(割掉） their fins and throw the sharks back into（丟回） the ocean.This is not only cruel,but also harmful to the environment.Wi

19、thout a fin,a shark can no longer（不再） swim and slowly dies.Sharks are at the top of the food chain in the oceans ecosystem.If their numbers drop too low,it will bring danger to（給.帶來危險） all ocean life.Many believe that sharks can never be endangered（瀕臨滅絕）because they are the strongest in their food c

20、hain.But in fact,（事實上）around 70 million sharks are caught and traded in this industry every year.The numbersof（.的數(shù)量）some kinds of（種類） sharks have fallen by（減少） over 90 percent in the last 20 to 30 years.Environmental protection groups around the world,such as WildAid and the WWF,are teaching the pub

21、lic about“finning（獵翅）”.They have even asked governments to develop laws to stop the sale of shark fins.So far（目前為止）,no scientific studies have showen that shark fins are good for（對.有益的health,so why eat them?Help save the sharks!3bRead the passage again and fill in the blanks with the words in the bo

22、x.so although if but whenMany people do not realize they are killing a whole shark _ they enjoy a bowl of shark fin soup.2.Sharks are at the top of the food chain, _ if their numbers drop, the oceans ecosystem will be in danger.3. Many think that sharks are too strong to be endangered, _ they are wr

23、ong.4. _ there are no scientific studies to support this, a lot of people believe that shark fins are good for health.5.Sharks may disappear one day _ we do not do something to stop the sale of shark fins.whensobutAlthoughiftake part inaffordturn offreusablepay fortake actiontransportationrecyclenap

24、kin=join=join in 參加f:rdv.買得起; 承擔(dān)得起;關(guān)掉ri:ju:zbladj.可再用的，可重復(fù)使用的付費(fèi)，付出代價采取行動trnsp:rtenn.交通運(yùn)輸，運(yùn)輸業(yè)ri:saklv.回收利用; 使再循環(huán);npknn.尿布; 餐巾，餐巾紙Words and ExpressionspaidGrammar Focus1.我們正在嘗試拯救地球。We _ _ _save the world.2.這條河過去很干凈The river _ _ _ so clean.3.空氣被嚴(yán)重污染了。The air _ badly _.4.沒有科學(xué)研究表明顯示魚鰭對健康有益No scientific s

25、tudies _ _thatshark fins_ _ _ health.Present perfect5.我們應(yīng)該幫助拯救鯊魚。We _ help _ the sharks.are trying toPresentprogressiveused to beused to is pollutedPassive voicehave shownare good forshouldsaveModal verbs現(xiàn)在進(jìn)行時: Present Progressive結(jié)構(gòu): be (am/is/are) + v.-ing標(biāo)志詞：look, listen, now, right nowe.g. Look!

26、The boy _ _.定義：表示說話時(瞬間)正在進(jìn)行的動作,也表示目前 現(xiàn)階段正在進(jìn)行的動作。 is crying1.used to do sth. 表示過去常常做某事,而現(xiàn)在不做了， 后接動詞原形。2.be used to doing sth. 表示習(xí)慣于做某事e.g.1.我過去常常六點起床。 I _ _ _ _ at six oclock. 2.Joe 習(xí)慣于每天早上喝杯咖啡。 Joe _ _ _ _a cup of coffee every morning.used to do與be used to doingused to get upis used to drinking被動語態(tài)

27、：Passive voice定義:表示主語是動作的承受者,即行為動作的對象的一種語態(tài)。結(jié)構(gòu)：be + 過去分詞e.g.1. A new school _(build)last year. Our classroom _ _(clean) every day.was builtis cleaned結(jié)構(gòu): has/have + 過去分詞標(biāo)志詞：already, yet, ever, never, since, fore.g. 1.我還沒完成作業(yè)。 I _ _ my homework yet. 2. I _ (be) in Beijing for two years. 3. I _ never _

28、(hear) of that man before. 4. Tom _ (work) there since two years ago.定義：表示動作已經(jīng)完成, 但對現(xiàn)在造成影響; 或者表示從過去某一時間開始一直延續(xù)到現(xiàn)在并還可能持續(xù)下去的動作。 現(xiàn)在完成時: Present Perfecthavent finishedhave been have heard has worked 1.情態(tài)動詞本身有一定的詞義, 表示說話人的情緒、態(tài)度或語氣.常見的有: can (could), may (might), must, need, shall (should), will (would)等2.

29、 情態(tài)動詞無人稱和數(shù)的變化, 后接動詞原形。否定式是在情態(tài)動詞后面加not。個別情態(tài)動詞有過去式形式, 可用來表達(dá)更加客氣、委婉的語氣。如：might/could/would.1. 我們不能在教室里吃東西。2. 他現(xiàn)在不可能在家。情態(tài)動詞ExerciseWe cant eat in the classroom. He cant be at home now. 4aFill in the blanks with the correct forms of the verbs in brackets.Joe: _you ever_ (take) part in an environmental pr

30、oject ?Eric: Yes, I have. I _ (help) with a Clean-Up Day last year. It was _ (consider) the biggest clean-up project this city _ ever _ (have).Joe: How many people _ (take) part?Eric: I _ (think) more than 1,000 people _ (come) to help out.Joe: Thats fantastic! I guess everyone in this city is _ (tr

31、y) to improve the environment.Eric: Yes, we cant afford to _ (wait) any longer to take action!Have takenhelpedconsideredhadhad參加tookthinkcametryingwaitv. 承擔(dān)得起(后果); 買得起4bFill in the blanks with the appropriate modal verbs from the box.People _ think that big things_ be done to save the earth. Many fo

32、rget that saving the earth begins with small things. For example, you _ save electricity by turning off the lights when you leave a room. You _ also use reusable(可重復(fù)使用的） bags instead of plastic bags. I think its a great idea that you now _ pay for plastic bags in some stores. And instead of driving

33、to school or work, you _ride your bike or walk.If its far,you_ take the bus. All these small things_ add up and become big things that _ improve the environment. Lets take action now!may/mightmustcancan would could have to should must may/ mightcouldhave to can/shouldcan/couldcouldwould/can4cMake a list of things that people can do to help the environment and discuss your list with your partner.use public transp