Unit13SectionA1a-3b课件人教版九年级英语全册

Unit13We'retryingtosavetheearth！SectionA1a-3b1a

Herearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.loudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephones

noisepollutionairpollutionwaterpollutionloudmusic,planes,buildinghouses,mobilephones,cars,factories,smoking,buildinghouses,

rubbish,littering,ships,factories,(P97)Whatotherthingsarealsorelatedtothem1bpletethesentences.Whatwastheproblem?Theriverwas_____________.Eventhebottom

(底部)oftheriverwasfullof_________.Therewerenomore______forfishermen(渔民)tocatch.reallydirtyrubbishfishWhatcausedtheproblem?Peoplearethrowing_______intotheriver.Factoriesareputting______intotheriver.Howshouldtheproblembesolved?Weshouldwritetothe____________andaskthemto___________thefactories.Everyoneshouldhelpto__________theriver.litterwastegovernmentclosedowncleanup1bListenandcompletethesentences.Whatwastheproblem?Theriverwas________.Eventhebottom

oftheriverwasfullof________.Therewerenomore________forfishermen

tocatch.Whatcausedtheproblem?Peoplearethrowing________intotheriver.Factoriesareputting________intotheriver.Howshouldtheproblembesolved?Weshouldwritetothe__________________andaskthemto____________thefactories.Everyoneshouldhelpto________theriver.dirtyrubbishfishlitter

wastegovernmentclosedowncleanupn.底部停业，倒闭Tony:Noway!Itusedtobesoclean.Infact,ithasalwaysbeenthenicestriverinthistown.Mark:Notanymore.Ithinkpeoplearethrowinglitterintotheriver.Factoriesarealsoputtingwasteintotheriver.Tony:That’sterrible!Weshouldwritetothegovernment.Theyshouldclosedownthefactories.Mark:Goodidea!ButIthinkeveryoneinthistownshouldhelptocleanuptheriver,too.Everyoneshouldplayapart,notjustthegovernment.Tapescripts真的假的？不是吧！扮演角色；起作用1cRole-­playtheconversation.Thenmakeyourownconversationsaboutthekindsofpollutionin1a.Mark:Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.Tony:Butitusedtobesoclean!Mark:Yes,butpeoplearethrowinglitterintotheriver.

Tony:Everyoneinthistownshouldplayapartin

cleaningitup!

在…中扮演角色、起作用Thisisturningbeautifulplacesintougly

ones.turn…into…把……变成……e.g.Theicyrainseemedliketoturninto

snow.

渐渐地冻雨又变成雪花的模样。Languagepoints2.It’sgoodforhealthanditdoesn’tcostanything!

costv.花费；使付出指花费金钱，主语通常是物。cost的过去式和过去分词均为cost。e.g.ThenewshirtcostMrWang200yuan.王先生花了200元买了新衬衫。Howmuchdoesthenewcomputercost新电脑花了多少钱？take,spend,pay&costtake，spend，pay和cost都可以表示“花费”，但它们的用法各有不同。1)take多表示花费时间，常用于Ittakessb.sometimetodosth.这一句型中，其中it作形式主语。

e.g.Itusuallytakesme40minutesto

cookthedinner.2)spend多表示花费时间和金钱，主语通常是人，常用于sb.spend(s)sometime/moneyonsth.和sb.spend(s)sometime/money(in)doingsth.两种句型。

e.g.Davidspent2,000yuanonthenewmachine.Myfatherspendsanhour(in)watchingthenewsonTVeveryday.3)pay多表示花费金钱，主语通常是人，常用于sb.pay(s)somemoneyforsth.句型。

e.g.Tommypaid20yuan

forhisbreakfastyesterday.4)cost多表示花费金钱，主语通常是物，常用于sth.cost(s)(sb.)somemoney.句型。

e.g.ThenewdresscostLinda88yuan.Languagepointstrytodosth.

努力、尽力做某事表示“努力做某事”的短语：tryone’sbesttodosth.尽某人最大努力做…makeaneffort/effortstodosth.努力做…sparenoefforttodosth.不留余力地做…gooutofone’s

way

to

do

sth.格外努力做…翻译：为了进入大学学习，每个学生都应该努力学习。Everystudentshouldtrytostudyhardinordertostudyinauniversity.3.We’retryingto

savetheearth!我们正在努力拯救地球！Languagepointstrytodosth.

努力、尽力做某事trydoingsth.尝试做某事tryoutforsth.参加…的选拔

tryon…试穿…Haveatry.试一试We’retryingto

savetheearth!我们正在努力拯救地球！Languagepoints填空：①Johnisn’there.Try_________(phone)hishomenumber.约翰不在这儿。给他家里打试试看。②She’strying________theschoolplay.她正在参加学校戏剧演员的选拔。③Try____clothingandshoestomakesuretheyfit.试穿衣服和鞋子，看看是否合适。④Weshould_____________________finishthetask.我们要不留余力地完成任务。phoningoutforonsparenoefforttoLanguagepoints4.savevt.①拯救

②攒下，存下③节约

④保留

⑤避免,免得(出现困难或不愉快的事)Savemeaseat.=Saveaseatforme.给我留一个座位。Thanksforsendingthatletterforme—itsavedmeatrip.多谢你替我寄了那封信，省得我跑一趟。savesb.sth.=savesth.forsb.给某人保留某物savetheearth拯救地球savemoney存钱savetime/water节约时间/水

savesb.atrip省得某人跑一趟Languagepoints填空：Ifwegothisway,itwill____________________onthistrip.如果走这条路，可以节省我们两小时行程。单选：--Canyoutellmewherethere’sagoodplacetoeat--OfCourse,haveyouheardtheHiHotPotPhonetomakeareservation(预定)anditwill____youwaiting.A.keepB.makeC.stopD.savesaveustwohoursLanguagepoints5.throw…into…把…扔进…(throw–threw-thrown)throwabout到处乱扔

throwaway扔掉，丢弃Thereisalsotoomuchrubbishandwaste.Peoplethrowawaythingseveryday.有太多的垃圾和废物。人们每天都扔掉些东西。Languagepoints6.playapart/rolein…①在…中发挥作用

②在…中扮演角色Ahealthydietplaysanimportantpartinhelpingpeoplelivelonger.健康的饮食在帮助人们长寿方面起着重要的作用。HewasinvitedtoplayapartinthisTVplays.他被邀请参加这个电视剧的演出。翻译：教育在我们的成长中起着很重要的作用。___________________________________inourgrowth.Everyoneinthistownshouldplayapartincleaningitup！

镇上的每个人应该参与把它打扫干净。Educationplaysanimportantpart/roleObjectivesTotalkaboutairpollution,waterpollutionandsoundpollution.Tothinkaboutwaysofprotectingtheenvironment.Tolearnthenewwords:advantage,scientific

waterpollution

noisepollution

landpollution

airpollutionWhatkindsofpollutiondoyouknowpollution污染Lookatthefollowingpictureandguesswhatkindofpollutionitis.Guessinggame!Factoriespourdangerousgasesintotheair.Carsalsopourdangerousgasesintotheair.tailgasairpollution!Theweatherisalwaysfoggy.Wecan’tseethebluesky.Wecan’tbreathethefreshair.Doyouknowwhyindustryharmfulcostwoodenplasticaffort

n.工业adj.有害的v.花费adj.木制的adj.塑料的v.支付的起Wordsandexpressionsmakeadifferencetakepartinturnoffpayforcutdownleadto起作用；有影响参加关掉付费；付出代价减少导致Wordsandexpressionsnoisepullotionairpollutionwaterpollutioncars,factories,smoking,buildinghouses(burning,powerplants,nuclearwastedisposal)Loudmusic,planes,buildinghouses,mobilephones(machines,crowds,vihicles)rubbish,littering,ships,factories(sewage,industrialwaste,pesticides)2aListentotheinterview.CirclethekindsofpollutionthatJasonandSusantalkabout.landpollutionB.airpollutionC.noisepollutionD.waterpollution2bListenagainandcompletethesentences.1.Theairisbadlypollutedbecausethereare___________ontheroadthesedays.2.Factoriesthatburncoalalso________theairwithalotofblacksmoke.morecarspollute3.Thereisalsotoomuchrubbishandwaste.People_________________thingseveryday.4.Peoplearealsolitteringin______________likeparks.Thisisturningbeautifulplacesinto

ugly(丑陋)ones.arethrowingawaypublicplacesRole-playconversationsbetweenJasonandSusan.2cTheairhasbecomereallypollutedaroundhere.I’mgettingveryworried.Yes,Iusedtobeabletoseestarsinthesky.Theproblemisthat…Listenandanswerthequestions.1.Whoistheinterviewertalkingto2.Whataretheytalkingabout3.WhatotherproblemsdotheyseeSusanandJason.Theenvironmentalproblems.There’stoomuchrubbishandwasteinthestreets.2dRead2dandcompletethechart.ProblemsSolvingproblemsairpollutionwastepollutionwooden(木头的)chopsticksorplasticforksrubbishtakethebus,subwayorrideabikeinsteadofdriving.bringabagtogoshopping.usechopsticksorforksathome.throwrubbishinthebins.Role-playtheconversationJasonandSusan,whatareyourideasforsolvingtheseproblemsWe’retryingtosavetheearth.

我们在努力拯救地球。Theriveusedtobesoclean.

这河流过去是如此的清澈。Theairisbadlypolluted.

空气被严重污染。Themethodisnotonlycruel,butalsoharmfultotheenvironment.

这种方法不仅残酷，而且对环境也有害。Sentences基础预习写出下面单词的意思litter________bottom________fisherman_________ugly__________cost________plastic________coal_______advantage_______wooden_______把下面的短语与汉语意思连起来。makeadiffenencecutdownleadtobefullofplayapartin

导致起作用减少参与充满用方框中所给词的适当形式填空。1.Don'tthrow_______(垃圾)everywhere.2.Inwinter,manypeopleburn______(煤)tokeepwarm.3.Thepolicefoundabodyatthe________(底部)ofthelake.4.The______(花费)oflivinginbigcitiesisveryhigh.5.Hekeepsarabbitinabig_______(木制的)box.costwooden,coal,bottom,littercostwoodencoalbottomlitter

LanguageGoal(1)Learntheusefulphrasesandsentencesinthepassage:cruel,industry,scientific,beharmfulto,atthetopof…Thisisnotonlycruel,butalsoharmfultotheenvironment.Noscientificstudieshaveshownthatsharkfinsaregoodforhealth.(2)Reviewthegrammarofpresentperfectandmodelverbs.(3)Learnaboutthefactofdangeroussituationthesharksarefacingandleadstudentstohaveastrongawarenessofprotectingsharksandsaynotofinning.(4)Leadstudentstofindsolutionstosolvingenvironmentalproblemsaroundusandwhatwecandotohelpsavetheearth.Review_____n.鲨鱼_____n.（鱼）鳍_____adj.残酷的_______adj.有害的_______n.工业；行业_______n.法律；法规________adj.濒危的_________adj.科学的________n.生态系统_________对...有害—————在...顶部/顶端——————食物链sharkfincruelharmfulindustrylawendangeredscientificecosystembeharmfultoatthetopofthefoodchainWhathappenstothesharkWithoutfins,canheswimCanhedie？Savetheearth!Savetheanimals.WhatdoyouknowaboutsharksTheyliveintheocean.Theyarethestrongestandthemostdangerousanimalintheocean.

Sharksareatthetopofthefoodchain.

thefoodchain

atthetopofthefoodchainManypeoplethinkthatsharksaretoostrongtobeendangered,buttheyarewrong.First,people______it!catch

Manyhaveheardofsharkfinsoup.ThisfamousandexpensivedishisespeciallypopularinsouthernChina.Butdoyourealizethatyou’rekillingawholesharkeachtimeyouenjoyabowlofsharkfinsoupLet’ssavethesharks1.heardof听说

（hearabout）

拓展；hearfrom收到某人来信Whenpeoplecatchsharks,theycutofftheirfinsandthrowthesharkbackintotheocean.Thisisnotonlycruel,butalso

harmfultotheenvironment.Withoutafin,asharkcannolongerswim

andslowlydies.Sharksareatthetopofthefoodchainintheocean’s

ecosystem.If

theirnumbersdroptoolow,itwillbringdangertoalloceanlife.cutoff

切掉notonly...butalso...

不但，而且nolonger

不再atthetopof

在。。。的顶端beharmfulto对。。有害处Manybelieve

thatsharkscanneverbeendangeredbecausetheyarethestrongestintheirfood

chain.Butinfact,around70millionsharksarecaughtandtradedinthisindustry

everyyear.Thenumbersofsomekindsofsharkshavefallenbyover90percentin

thelast20to30years.beendangered濒临灭绝事实上

被捕杀和交易

……的数量

某些品种

在过去的20年到30年infactbecaughtandtradedthenumber(s)ofsomekindsofinthelast20to30yearsEnvironmentalprotectiongroupsaroundtheworld,suchasWildAidandtheWWF,areteachingthepublicabout“finning”.Theyhaveevenaskedgovernmentstodeveloplawstostopthesaleofsharkfins.Sofar,noscientificstudieshaveshownthatsharkfinsaregoodforhealth,sowhyeatthemHelpsavethesharks!环境保护组织比如立法

……的销售

到目前为止帮助拯救鲨鱼。environmentalprotectiongroupssuchasdeveloplawsthesaleofsofarHelpsavethesharks!

SavetheSharks!提出问题：吃鱼翅就是杀害一整头鲨鱼(Para.1)abowlofsharkfinsoup=___________________解决问题：国际环保组织号召反对“猎翅”(Para.3)_______theirfinsand______thesharks____

intotheocean_____and_______

totheenvironmentaround_____________

arecaughtandtradedeveryyearbring______toalloceanlifethenumbersofsomekindsofsharks_______________________________inthelast20to30years分析问题：为什么要阻止“猎翅”(Para.2)environmentalprotectiongroupsno______________haveshownthatsharkfinsaregoodforhealthteachingthepublicabout“finning”askedgovernmentsto_____________tostopthesaleofsharkfinskillingawholesharkcutoffthrowbackcruelharmfuldanger70millionsharkshavefallenbyover90percentdeveloplawsscientificstudiesHelpsavethesharks!3bReadandfillintheblankswiththewordsinthebox.butsoalthoughifwhen1.Manypeopledonotrealizetheyarekillingawholeshark________theyenjoyabowlofsharkfinsoup.2.Sharksareatthetopofthefoodchain,______iftheirnumbersdrop,theocean’secosystemwillbeindanger.3.Manythinkthatsharksaretoostrongtobeendangered,______theyarewrong.4.__________therearenoscientificstudiestosupportthis,alotofpeoplebelievethatsharkfinsaregoodforhealth.5.Sharksmaydisappearoneday______wedonotdosomethingtostopthesaleofsharkfins.sowhenbutAlthoughifLanguagepoints1.Thismethodisnotonlycruel,butalso

harmfultotheenvironment.

这种方法不但残忍，而且对环境有害。notonly…butalso…(1)用于连接两个表示并列关系的成分，着重强调后者，其意为“不仅……而且……”;其中的also有时可以省略。e.g.Shenotonlyplayswell,butalsowritesmusic.

Notonlymenbutalsowomenwerechosen.

(2)若连接两个成分作主语，其后谓语通常与靠近的主语保持一致。e.g.Notonlyyoubutalsohehastoleave.(3)notonly放在句首，后接句子时要用倒装结构。e.g.Notonly

hadthepoormanbeenfined,butalsohehadbeensenttoprison.这个可怜的人不仅被罚款，而且还被送进了监狱。

2.Asharkcannolongerswimandslowlydies.鲨鱼不能再游泳，然后慢慢死掉。nolonger意思是“不再”e.g.

I’mnolongerastudent.

我不再是个学生了。有两个短语和nolonger同义，即not…anylonger和not…anymore，但它们侧重的方面不同。nolonger和not…anylonger侧重时间。

e.g.Henolongerliveshere.=Hedoesn’tlivehereanylonger.

他不在这儿居住了。(一个时间以前他住在这儿，过了这个时间，

他就离开了。)not…anymore侧重程度和数量e.g.Youcandrinknomore.=Youcan’tdrinkanymore.

你不能再喝了。(喝酒的量到了一定程度，不能再继续下去了。)⁠根据要求完成练习1.Shenotonlyplaysthepianowell，butalsowritesmusic.（翻译）

她不仅钢琴弹得好，而且还会作曲。

⁠2.Notonlyyoubutalsohe

has

⁠（have）toleave.

3.NotonlyhebutalsoI

am

⁠

（be）interestedinpopmus