人教新目標九年級英語全冊unit13 Section A (1a-3b)

1、unit 13unit 13we are trying to save the we are trying to save the earth.earth. language goallanguage goaltalk about pollution talk about pollution and envirnmental protectionand envirnmental protectionto talk about air pollution, water to talk about air pollution, water pollution and sound pollution

2、.pollution and sound pollution.to think about ways of protecting to think about ways of protecting the environment.the environment.to learn the new words: to learn the new words: advantage, scientificadvantage, scientificserious serious pollutionpollutionwe are we are harmingharming our planet in so

3、 many ways. our planet in so many ways.傷害傷害air pollutionair pollutionsoil pollutionsoil pollutionwater pollutionwater pollutionthe earth songthe earth song by michael by michael jackson !jackson !factories pour dangerous gases into the air.factories pour dangerous gases into the air.cars also pour d

4、angerous gases into the air.cars also pour dangerous gases into the air.air pollution!air pollution!the weather is always the weather is always foggyfoggy. . we cant see the we cant see the blue skyblue sky. . we cant breathe we cant breathe the fresh airthe fresh air. . do you know why? do you know

5、 why? f factories actories produce too much dangerous produce too much dangerous smokesmoke. . the the traffictraffic produces too many produces too many fumesfumes. . some people some people smokesmoke in public places. in public places. dad, whats the acid rain?natural resources are disappearingna

6、tural resources are disappearing at a at a dangerous rate.dangerous rate.以危險的速度以危險的速度group one group twogroup three desert滅絕滅絕extincthelp save the earth help save the earth we must think of better way to we must think of better way to treat our planet in future.treat our planet in future.what do you

7、 usually do ?what do you usually do ?are you a friend of the earth?are you a friend of the earth? take this quiztake this quiz. .startstartyou drink a can of cola. what do you you drink a can of cola. what do you do?do?i throw away cans.i throw away cans.i recycle cans.i recycle cans.you throw away

8、the cans. you throw away the cans. thats thats bad forbad for the earth. the earth.you recycle the cans.you recycle the cans.thats thats good forgood for the earth. the earth.there are a lot of old newspapers at there are a lot of old newspapers at your home. what do you do?your home. what do you do

9、?i throw the old newspapers away.i throw the old newspapers away.i recycle the old newspapers.i recycle the old newspapers.you throw old newspapers away.you throw old newspapers away.you waste paper.you waste paper.thats thats bad forbad for the earth. the earth.you recycle old newspapers. you recyc

10、le old newspapers. you save paper.you save paper.thats thats good forgood for the earth. the earth.you go shopping. what do you do?you go shopping. what do you do?i use a lot of new plastic bags.i use a lot of new plastic bags.i use my own bag.i use my own bag.you use a lot of new plastic you use a

11、lot of new plastic bags. thats bags. thats bad forbad for the earth. the earth.you use your own bag.you use your own bag.thats thats good forgood for the earth. the earth.when you write on a piece of paper, when you write on a piece of paper, what do you do?what do you do?i write on one side only.i

12、write on one side only.i write on both sides.i write on both sides.you use paper on one side only.you use paper on one side only.thats thats bad forbad for the earth. the earth.you use paper on both sides.you use paper on both sides.thats thats good forgood for the earth. the earth. close down the f

13、actories;close down the factories; help to clean up the river;help to clean up the river; take the bus or subway;take the bus or subway; ride a bike;ride a bike; bring a bag to go shopping,throw rubbish in bring a bag to go shopping,throw rubbish in the cans;the cans; turn off the lights when you le

14、ave a room;turn off the lights when you leave a room; use paper or resusable bags;use paper or resusable bags; recycle books and paper;recycle books and paper; turn off the shower when you wash your hair; turn off the shower when you wash your hair; dont use napkins;dont use napkins; rethink,reuse,

15、recycle . .rethink,reuse, recycle . .industryindustryharmfulharmfulcostcostwoodenwoodenplasticplasticaffortaffort n. 工業(yè)工業(yè)adj. 有害的有害的v. 花費花費adj. 木制的木制的adj. 塑料的塑料的v. 支付的起支付的起words and expressionsmake a differencemake a differencetake part intake part inturn offturn offpay forpay forcut downcut downlea

16、d to lead to 起作用；有影響起作用；有影響參加參加關(guān)掉關(guān)掉付費；付出代價付費；付出代價減少減少導(dǎo)致導(dǎo)致words and expressionsvwere trying to save the earth. 我們在努力拯救地球。我們在努力拯救地球。v the rive used to be so clean. 這河流過去是如此的清澈。這河流過去是如此的清澈。v the air is badly polluted. 空氣被嚴重污染。空氣被嚴重污染。v the method is not only cruel, but also harmful to the environment.

17、這種方法不僅殘酷，而且對環(huán)境也有害。這種方法不僅殘酷，而且對環(huán)境也有害?；A(chǔ)預(yù)習(xí)基礎(chǔ)預(yù)習(xí)寫出下面單詞的意思寫出下面單詞的意思litter_ bottom_fisherman_ugly_cost_plastic_coal_advantage_wooden_把下面的短語與漢語意思連起來。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(dǎo)致導(dǎo)致起作用起作用減少減少參與參與充滿充滿 here are some words related to here are some words related to

18、 different kinds of pollution. write them different kinds of pollution. write them in the box below. then add more words.in the box below. then add more words.1a1aloud musicloud musiccarscarsrubbishrubbishplanesplaneslitteringlitteringshipsshipsfactoriesfactoriessmokingsmokingbulding housesbulding h

19、ousesmobile phonesmobile phonesnoise pullotionnoise pullotionair pollutionair pollutionwater pollutionwater pollutioncars, factories, smoking, building houses(burning, power plants, nuclear waste disposal)loud music, planes, building houses, mobile phones(machines,crowds, vihicles)rubbish, littering

20、, ships, factories(sewage, industrial waste, pesticides)listen and complete the sentences.listen and complete the sentences.1b1bwhat was the what was the problem?problem?the river was _. the river was _. even the bottom of the even the bottom of the river was full of _. river was full of _. there we

21、re no more _ there were no more _ for fishmen to catch.for fishmen to catch.really dirtyreally dirtyrubbishrubbishfishfishwhat caused the what caused the problem?problem?people are throwing _into the people are throwing _into the river. factories are putting _ river. factories are putting _ into the

22、 o the river.how should the how should the problem be problem be solved?solved?we should write to the _ we should write to the _ and ask them to _ the and ask them to _ the factories. everyone should help factories. everyone should help _to the river._to the river.litterlitterwastewastegove

23、rnmentgovernmentclose downclose downclean upclean upmark: 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: everyone in this town should play a part in cleaning it up! role-play the conversati

24、on. then make role-play the conversation. then make your own conversations about the kinds of your own conversations about the kinds of pollution in 1a.pollution in 1a.1c1c2a2alisten to the interview. circle the listen to the interview. circle the kinds of pollution that jason andkinds of pollution

25、that jason andsusan talk about.susan talk about. a. land pollution a. land pollution b. air pollution b. air pollution c. noise pollution c. noise pollution d. water pollution d. water pollution1. the air is badly polluted because there are 1. the air is badly polluted because there are _on the road

26、 these days._on the road these days.2. factories that burn coal also _ the air 2. factories that burn coal also _ the air with a lot of black smoke.with a lot of black smoke.3. there is also too much rubbish and waste. 3. there is also too much rubbish and waste. people _things away every people _th

27、ings away every day.day.4. people are also littering in_ like 4. people are also littering in_ like parks. th is turns beautiful parks into ugly parks. th is turns beautiful parks into ugly places.places.more carmore carpollutepolluteare throwing awayare throwing awaypublic placespublic places2b2b l

28、isten again and complete the sentences. 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 2a and 2b to use the information

29、 in 2a and 2b to role-play conversations between jason and role-play conversations between jason and susan.susan.2c2cinterviewerinterviewer: jason and susan, what are your : jason and susan, what are your ideas for solving these problems? ideas for solving these problems?jasonjason: well, to cut dow

30、n : well, to cut down air pollutionair pollution, we should , we should take the bus or subway instead of driving. take the bus or subway instead of driving.susansusan: yeah, or ride a bike. other : yeah, or ride a bike. other advantagesadvantages of of bike riding are that its good for health bike

31、riding are that its good for health and it doesnt cost anything! and it doesnt cost anything!2d2drole-play the conversation.role-play the conversation.interviewerinterviewer: great ideas! what about : great ideas! what about waste waste pollution? pollution?susansusan: mmm, i think simple things lik

32、e bringing: mmm, i think simple things like bringing a bag to go shopping can help. i started a bag to go shopping can help. i started doing that a year ago. doing that a year ago.jasonjason: me, too. also, i never take wooden: me, too. also, i never take wooden chopsticks or plastic forks when i bu

33、y chopsticks or plastic forks when i buy takeaway food. i use the ones at home. takeaway food. i use the ones at home.susansusan: and remember to : and remember to throw rubbish in thethrow rubbish in the cans cans and keep public places clean andand keep public places clean and beautiful for everyo

34、ne. beautiful for everyone.interviewerinterviewer: so together, our actions can : so together, our actions can make a difference make a difference and and lead to a better lead to a better future! future!辨析：辨析： turn, get與與become(1) become 多指身份，職位等的變化，多指身份，職位等的變化，它強調(diào)變化過程已經(jīng)完成，后面可以接名詞它強調(diào)變化過程已經(jīng)完成，后面可以接名

35、詞或者形容詞?；蛘咝稳菰~。 he becomes a teacher.(2) get多用于口語，表示一種變化過程，多用于口語，表示一種變化過程，強調(diào)的是強調(diào)的是“漸漸變化漸漸變化”后常接形容詞的比較級形式。后常接形容詞的比較級形式。language pointslanguage points in winter the days get shorter. 冬天白天漸漸變短。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。的完全不同，強調(diào)變化的結(jié)果。 leaves turned brown in the mountain

36、s. 山里的樹葉已經(jīng)變成了棕色。山里的樹葉已經(jīng)變成了棕色。 ：uher mother _ angry when she heard the news.uits _ darker and darker outside.uthe milk has _bad.becamebecamegettinggettingturnedturned cut down, 意為意為減少減少； 是是“動詞動詞+副詞副詞”結(jié)結(jié)構(gòu)的短語，后面所帶的賓語為名詞時，賓語構(gòu)的短語，后面所帶的賓語為名詞時，賓語可以位于可以位于down的前面或后面；為代詞時只的前面或后面；為代詞時只能位于能位于down前面。前面。 youd bet

37、ter cut the article down to about 2000 words. cut 后接后接off, into,up, in 的不同：的不同：cut off切斷；切除切斷；切除cut into把把.切成切成.cut up切碎切碎cut in 插隊插隊花費花費主語主語表示內(nèi)容表示內(nèi)容spend人人賓語可以是錢，精賓語可以是錢，精力，時間等。力，時間等。cost物或事物或事后接后接life，money，health，time等，等，側(cè)重與花費的代價側(cè)重與花費的代價take事或人事或人說明事情完成花費說明事情完成花費了了.辨析：辨析：spend, cost, take, pay花費花

38、費主語主語表示內(nèi)容表示內(nèi)容pay人人支付支付 作為及物動作為及物動詞，可以是詞，可以是 pay sb 或或pay some money；作為不及物動詞，作為不及物動詞，形式為形式為pay for。for表支付的原因。表支付的原因。1. do you take exercise everyday?1. do you take exercise everyday? yes, i always _ thirty minutes after supper. yes, i always _ thirty minutes after supper. a spend b cost c take d pay

39、a spend b cost c take d pay2. i _ 300 yuan for the bike.2. i _ 300 yuan for the bike. a took b spend c cost d paid a took b spend c cost d paid用方框中所給詞的適當形式填空。用方框中所給詞的適當形式填空。1. dont throw _(垃圾垃圾) everywhere.2. in winter, many people burn _(煤煤) to keep warm.3. the police found a body at the _(底部底部) of

40、 the lake.4. the _(花費花費) of living in big cities is very high.5. he keeps a rabbit in a big _(木制的木制的) box.cost wooden, coal , bottom, littercost wooden, coal , bottom, littercost cost woodenwoodencoalcoalbottombottomlitterlitter1. he _ go out with his parents, but now1. he _ go out with his parents,

41、 but nowhe _ stay at home alone.he _ stay at home alone. a. use to; is used to b. is used to; used to a. use to; is used to b. is used to; used to c.use to; used to d. is used to; is used to c.use to; used to d. is used to; is used to2. the interesting book _ me 10 yuan.2. the interesting book _ me

42、10 yuan. a. took b. paid a. took b. paid c. spend d. cost c. spend d. costchoose the best answer.choose the best answer.3. we must do something useful to _ 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 ou

43、t5. 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。多一個人少一個人無所謂。 one person wouldnt _ _ _. 2. 這個木箱時裝滿了書。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。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 dise

44、ase. 4. 這條小路通向公園。這條小路通向公園。 the path _ _ the park. 5. 我錯拿了你的包。我錯拿了你的包。 i took your bag _ _ mine by mistake. wooden is full of wooden is full ofmake a differencemake a differencelead tolead to paly a part of paly a part of instead of instead of read the passage about sharks read the passage about shar

45、ks and complete the fact sheet below. and complete the fact sheet below.3a3amany have heard of sharks many have heard of sharks finfin soup. this soup. thisfamous and expensive dish is especiallyfamous and expensive dish is especiallypopular in southern china. but do you realizepopular in southern c

46、hina. but do you realizethat youre killing a whole shark each timethat youre killing a whole shark each timeyou enjoy a bowl of sharks fin soup?you enjoy a bowl of sharks fin soup?when people catch sharks, they when people catch sharks, they cut offcut off their theirfins and throw the shark back in

47、to the ocean.fins and throw the shark back into the ocean. without a fin, a shark can no longer swim and without a fin, a shark can no longer swim and slowly dies. this slowly dies. this methodmethod is not only cruel, but is not only cruel, but also harmful to the environment. sharks are at also ha

48、rmful to the environment. sharks are at the top of the food chain in the oceans the top of the food chain in the oceans ecosystem. if their numbers drop too low, it will ecosystem. if their numbers drop too low, it will bring danger to all ocean life. many believe that bring danger to all ocean life

49、. many believe that sharks can never be sharks can never be endangeredendangered because they because they are the strongest in their food chain. are the strongest in their food chain. but in fact, around 70 million sharks are caught but in fact, around 70 million sharks are caught and traded in thi

50、s industry every year. the and traded in this industry every year. the numbers of some kinds of sharks have fallen by numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years.over 90 percent in the last 20 to 30 years. environmental protection groups around the envir

51、onmental protection groups around the world, such as world, such as wildaidwildaid and the and the wwfwwf, are , are teaching the public about “finning”. teaching the public about “finning”. they have even asked governmentsthey have even asked governments toto develop develop lawslaws to stop the sa

52、le of sharks fins. so far, no to stop the sale of sharks fins. so far, no scientific studies havescientific studies have shown that sharks fins shown that sharks fins are good for health, so why eat them? are good for health, so why eat them? help help save the sharks!save the sharks!where shark fin

53、 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 !lets do this to review the text ! some peo

54、ple like to eat sharks fin soup, some people like to eat sharks fin soup, especially in _china. but getting the s especially in _china. but getting the s harks fin is very _. when people catch harks fin is very _. when people catch sharks, they _ _their fins and throw the sharks, they _ _their fins

55、and throw the sharks into the ocean. the shark slowly dies sharks into the ocean. the shark slowly dies because it cant _ without the fin. and it is because it cant _ without the fin. and it is also _ to environment. sharks are at the also _ to environment. sharks are at the _ of the food chain. if

56、the number of sharks _ of the food chain. if the number of sharks drops too low, it will break the balance of drops too low, it will break the balance of nuture. please say no to eating the shark fin nuture. please say no to eating the shark fin soup, and take action to save the sharks!soup, and tak

57、e action to save the sharks! southern southern cruel cruel cut off cut off swim swim harmful harmful toptoplets learn somelets learn somelanguage pointslanguage pointsharmful 形容詞，意為形容詞，意為“有害的有害的”。常構(gòu)成短語。常構(gòu)成短語be harmful to “對對有害的有害的”。staying up often is harmful to your health. 經(jīng)常經(jīng)常熬夜對你的健康有害。熬夜對你的健康有害。

58、【拓展】【拓展】harm 名詞，意為名詞，意為“害處害處”。常用構(gòu)成短語。常用構(gòu)成短語do harm to “對對有害有害”，相當于，相當于be harmful to. too much smoking does harm to his health. = too much smoking is harmful to his health. 吸煙吸煙過多對他的健康有害。過多對他的健康有害。改為同義句。改為同義句。reading in the sun does harm to our eyes. reading in the sun _ _ _ our eyes. is harmful to i

59、s harmful to辨析：辨析：join, join in 和和take part in totojoin加入組織，團體，黨派等，有加入組織，團體，黨派等，有作為其中的一個成員的含義作為其中的一個成員的含義;后面也可以加表示人的名詞，后面也可以加表示人的名詞，表示和某人一起參加某活動表示和某人一起參加某活動join in 加入一種具體活動。加入一種具體活動。take aprt in指參加會議或群眾性活動等，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著重說明句子主語參加該項活動并在活動中發(fā)揮作用。動并在活動中發(fā)揮作用。will you join us in the discussi

60、on? 你參加我們的討論嗎？你參加我們的討論嗎？ she joined the young pioneers. 她加入了少先隊。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？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？你參加運動會了嗎？1 1. have you _ a club? . have you _ a club? yes, im in a swimming club and i often _ yes, im in a swimm