九年級全一冊unit13SectionA-1課件（81頁）

1、 英語教學課件系列Goforit!九年級Unit 13We are trying to save the earth.Section A 1a-3b Language GoalTalk about pollution and envirnmental protectionObjectivesTo talk about air pollution, water pollution and sound pollution.To think about ways of protecting the environment.To learn the new words: advantage, scie

2、ntificserious pollutionWe are harming our planet in so many ways.傷害air pollutionsoil pollutionwater pollutionthe earth song by Michael Jackson !Factories pour dangerous gases into the air.Cars also pour dangerous gases into the air.tail gasair pollution!The weather is always foggy. We cant see the b

3、lue sky. We cant breathe the fresh air. Do you know why? Factories produce too much dangerous smoke. The traffic produces too many fumes. Some people smoke in public places. Dad, whats the acid rain?Natural resources are disappearing at a dangerous rate.以危險的速度Group One Group TwoGroup Three desert滅絕e

4、xtinctHelp save the earth We must think of better way to treat our planet in future.What do you usually do ?Are you a friend of the Earth? Take this quiz.STARTYou drink a can of cola. What do you do?I throw away cans.I recycle cans.You throw away the cans. Thats bad for the Earth.You recycle the can

5、s.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 throw old newspapers away.You waste paper.Thats bad for the Earth.You recycle old newspapers. You save paper.Thats good for the Earth.You go shop

6、ping. 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 one side o

7、nly.Thats bad for the Earth.You use paper on both sides.Thats good for the Earth.close down the factories;help to clean up the river; take the bus or subway;ride a bike;bring a bag to go shopping,throw rubbish in the cans; turn off the lights when you leave a room;use paper or resusable bags;recycle

8、 books and paper; turn off the shower when you wash your hair;dont use napkins;rethink,reuse, recycle . .solutionsindustryharmfulcostwoodenplasticaffort n. 工業(yè)adj. 有害的v. 花費adj. 木制的adj. 塑料的v. 支付的起Words and expressionsmake a differencetake part inturn offpay forcut downlead to 起作用；有影響參加關(guān)掉付費；付出代價減少導致Wor

9、ds and expressionsWere trying to save the earth. 我們在努力拯救地球。 The rive used to be so clean. 這河流過去是如此的清澈。 The air is badly polluted. 空氣被嚴重污染。 The method is not only cruel, but also harmful to the environment. 這種方法不僅殘酷，而且對環(huán)境也有害。Sentences基礎(chǔ)預習寫出下面單詞的意思litter_ bottom_fisherman_ugly_cost_plastic_coal_advant

10、age_wooden_把下面的短語與漢語意思連起來。make a diffenencecut downlead to be full of play a part in 導致起作用減少參與充滿 Here are some words related to different kinds of pollution. Write them in the box below. Then add more words.1aloud musiccarsrubbishplaneslitteringshipsfactoriessmokingbulding housesmobile phonesnoise p

11、ullotionair pollutionwater pollutioncars, factories, smoking, building houses(burning, power plants, nuclear waste disposal)Loud music, planes, building houses, mobile phones(machines,crowds, vihicles)rubbish, littering, ships, factories(sewage, industrial waste, pesticides)Listen and complete the s

12、entences.1bwhat was the problem?The river was _. even the bottom of the river was full of _. there were no more _ for fishmen to catch.really dirtyrubbishfishwhat caused the problem?people are throwing _into the river. Factories are putting _ into the river.How should the problem be solved?We should

13、 write to the _ and ask them to _ the factories. everyone should help _to the river.litterwastegovernmentclose downclean upWatch and readMark: The river was dirty. Even the bottom of the river was full of rubbish.Tony: But it used to be so clean!Mark: Yes, but people are littering in the river.Tony:

14、 Everyone in this town should play a part in cleaning it up! Role-play the conversation. Then make your own conversations about the kinds of pollution in 1a.1c2aListen to the interview. Circle the kinds of pollution that Jason andSusan talk about. A. land pollution B. air pollution C. noise pollutio

15、n D. water pollution1. The air is badly polluted because there are _on the road these days.2. Factories that burn coal also _ the air with a lot of black smoke.3. There is also too much rubbish and waste. People _things away every day.4. People are also littering in_ like parks. Th is turns beautifu

16、l parks into ugly places.more carpolluteare throwing awaypublic places2b Listen again and complete the sentences. Jason: The air has become really polluted around here. Im really getting worried.Susan: Yes, I used to be able to see stars in the sky.Jason: The problem is that . Use the information in

17、 2a and 2b to role-play conversations between Jason and Susan.2cInterviewer: Jason and Susan, what are your ideas for solving these problems?Jason: Well, to cut down air pollution, we should take the bus or subway instead of driving.Susan: Yeah, or ride a bike. Other advantages of bike riding are th

18、at its good for health and it doesnt cost anything!2dRole-play the conversation.Interviewer: Great ideas! What about waste pollution?Susan: Mmm, I think simple things like bringing a bag to go shopping can help. I started doing that a year ago.Jason: Me, too. Also, I never take wooden chopsticks or

19、plastic forks when I buy takeaway food. I use the ones at home.Susan: And remember to throw rubbish in the cans and keep public places clean and beautiful for everyone.Interviewer: So together, our actions can make a difference and lead to a better future!Watch and read辨析： turn, get與become(1) become

20、 多指身份，職位等的變化，它強調(diào)變化過程已經(jīng)完成，后面可以接名詞或者形容詞。 He becomes a teacher.(2) get多用于口語，表示一種變化過程，強調(diào)的是“漸漸變化”后常接形容詞的比較級形式。Language Points In winter the days get shorter. 冬天白天漸漸變短。(3) turn 指的是在顏色和性質(zhì)等方面與以前的完全不同，強調(diào)變化的結(jié)果。 leaves turned brown in the mountains. 山里的樹葉已經(jīng)變成了棕色。 ：Her mother _ angry when she heard the news.Its

21、 _ darker and darker outside.The milk has _bad.練習becamegettingturned cut down, 意為減少； 是“動詞+副詞”結(jié)構(gòu)的短語，后面所帶的賓語為名詞時，賓語可以位于down的前面或后面；為代詞時只能位于down前面。 Youd better cut the article down to about 2000 words. cut 后接off, into,up, in 的不同：拓展cut off切斷；切除cut into把.切成.cut up切碎cut in 插隊花費主語表示內(nèi)容spend人賓語可以是錢，精力，時間等。cos

22、t物或事后接life，money，health，time等，側(cè)重與花費的代價take事或人說明事情完成花費了.辨析：spend, cost, take, pay花費主語表示內(nèi)容pay人支付 作為及物動詞，可以是 pay sb 或pay some money；作為不及物動詞，形式為pay for。for表支付的原因。1. Do you take exercise everyday? Yes, I always _ thirty minutes after supper. A spend B cost C take D pay2. I _ 300 yuan for the bike. A took

23、 B spend C cost D paid用方框中所給詞的適當形式填空。1. Dont throw _(垃圾) everywhere.2. In winter, many people burn _(煤) to keep warm.3. The police found a body at the _(底部) of the lake.4. The _(花費) of living in big cities is very high.5. He keeps a rabbit in a big _(木制的) box.cost wooden, coal , bottom, littercost w

24、oodencoalbottomlitter1. He _ go out with his parents, but nowhe _ stay at home alone. A. use to; is used to B. is used to; used to C.use to; used to D. is used to; is used to2. The interesting book _ me 10 yuan. A. took B. paid C. spend D. costChoose the best answer.3. We must do something useful to

25、 _ pollution. A. cut off B. cut up C. cut down D. cut in4. Smoking can _ lung cancer. youd bettter give it up. Awork on Blead to Ctake away Dput out5. What are the _ of bike riding? - It can help cut down air pollution. Aadvantage Breasons Cresults Dideas1. 多一個人少一個人無所謂。 One person wouldnt _ _ _. 2.

26、這個木箱時裝滿了書。The _ box _ _ _ books. 3. 不健康的飲食對這種疾病的傳播起一定的作用。 Unhealthy foods _ _ _ _ the spread of the disease. 4. 這條小路通向公園。 The path _ _ the park. 5. 我錯拿了你的包。 I took your bag _ _ mine by mistake. wooden is full ofmake a differencelead to paly a part of instead of Read the passage about sharks and comp

27、lete the fact sheet below.3aMany have heard of sharks fin soup. Thisfamous and expensive dish is especiallypopular in southern China. But do you realizethat youre killing a whole shark each timeyou enjoy a bowl of sharks fin soup?When people catch sharks, they cut off theirfins and throw the shark b

28、ack into the ocean. Without a fin, a shark can no longer swim and slowly dies. This method is not only cruel, but also harmful to the environment. Sharks are at the top of the food chain in the oceans ecosystem. If their numbers drop too low, it will bring danger to all ocean life. Many believe that

29、 sharks can never be endangered because they are the strongest in their food chain. But in fact, around 70 million sharks are caught and traded in this industry every year. The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years. Environmental protection groups

30、around the world, such as WildAid and the WWF, are teaching the public about “finning”. They have even asked governments to develop laws to stop the sale of sharks fins. So far, no scientific studies have shown that sharks fins are good for health, so why eat them? Help save the sharks!Where shark f

31、in soup is popularNumber of sharks caught and traded every yearhow much the numbers of some kinds of sharks have fallen in the last 20-30 yearsTwo environmental groups against finning70 millionover 90 percentWildAid and the WWFLets do this to review the text !Some people like to eat sharks fin soup,

32、 especially in _China. But getting the s harks fin is very _. When people catch sharks, they _ _their fins and throw the sharks into the ocean. The shark slowly dies because it cant _ without the fin. And it is also _ to environment. Sharks are at the _ of the food chain. If the number of sharks dro

33、ps too low, it will break the balance of nuture. Please say no to eating the shark fin soup, and take action to save the sharks! southern cruel cut off swim harmful topLets learn somelanguage pointsharmful 形容詞，意為“有害的”。常構(gòu)成短語be harmful to “對有害的”。Staying up often is harmful to your health. 經(jīng)常熬夜對你的健康有害。

34、【拓展】harm 名詞，意為“害處”。常用構(gòu)成短語do harm to “對有害”，相當于be harmful to. Too much smoking does harm to his health. = Too much smoking is harmful to his health. 吸煙過多對他的健康有害。改為同義句。Reading in the sun does harm to our eyes. Reading in the sun _ _ _ our eyes. is harmful to辨析：join, join in 和take part in tojoin加入組織，團體，

35、黨派等，有作為其中的一個成員的含義;后面也可以加表示人的名詞，表示和某人一起參加某活動join in 加入一種具體活動。take aprt in指參加會議或群眾性活動等，著重說明句子主語參加該項活動并在活動中發(fā)揮作用。Will you join us in the discussion? 你參加我們的討論嗎？ She joined the Young Pioneers. 她加入了少先隊。 Why didnt you join in the talk last night? 昨晚你為什么沒參加座談？Did you take part in the sports meet? 你參加運動會了嗎？1.

36、 Have you _ a club? Yes, Im in a swimming club and I often _ the swimming training. A. joined; take part in B. joined; join C. taken part in; join D. taken part in; join in 2. Were going for a picnic. Would you like to_ us? Why not? Lets go! A. attendB. join C. join inD. take part in afford是動詞，意為“買得

37、起,擔負得起”，通常與can, could, be able to連用,多用于否定句中。They couldnt afford $50 for a ticket. 他們拿不出50美元買一張票。 afford后面常跟帶to的動詞不定式。We cant afford to go abroad this summer. 今年夏天我們沒有足夠的錢出國。例句：Miss Taylor never wastes money on anything too expensive, even though she can _to. She has donated much of the money she sav

38、ed to charities. A. affordB. allow C. remind D. pay1. Many people do not realize they are killing a whole shark _they enjoy a bowl of sharks fin soup.2. Sharks are at the top of the food chain, _if their numbersdrop, the oceans ecosystem will be in danger. Read the passage again and fill in the blan

39、ks with the words in the box. sowhen3bso althoughif but when Many think that sharks are too strong to be endangered, _ they are wrong. _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. butAlthoughIf 練習題 用方框中詞的適當形式完成下面的句子。(1) I think its _ to mak