Unit 13 Section A 1a-3c课件2024-2025学年人教版九年级英语

Unit13SectionA1a-3cHerearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.1aListenandcompletethesentences.Whatwastheproblem?Theriverwas_____________.Eventhebottomoftheriverwasfullof_________.Therewerenomore______forfishermentocatch.reallydirtyrubbishfish1bWhatcausedtheproblem?Peoplearethrowing_______intotheriver.Factoriesareputting______intotheriver.Howshouldtheproblembesolved?Weshouldwritetothe____________andaskthemto___________thefactories.Everyoneshouldhelpto__________theriver.litterwastegovernmentclosedowncleanupListenagainandanswerthefollowingquestions.WhatdoesTonywanttodolaterthisafternoon?HewantstogoswimmingwithMarkintheriverlaterthisafternoon.Role-playtheconversation.Thenmakeyourownconversationsaboutthekindsofpollutionin1a.1cMark:Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.Tony:Butitusedtobesoclean!Mark:Yes,butpeoplearethrowinglitterintotheriver.Tony:Everyoneinthistownshouldplayapartincleaningitup!Listentotheinterview.CirclethekindsofpollutionthatJasonandSusantalkabout.landpollutionB.airpollutionC.noisepollutionD.waterpollution2aListenagainandcompletethesentences.1.Theairisbadlypollutedbecausethereare___________ontheroadthesedays.2.Factoriesthatburncoalalso________theairwithalotofblacksmoke.morecarspollute2b3.Thereisalsotoomuchrubbishandwaste.People_________________thingseveryday.4.Peoplearealsolitteringin______________likeparks.Thisisturningbeautifulplacesintougly

ones.arethrowingawaypublicplacesUsetheinformationin2aand2btorole-playconversationsbetweenJasonandSusan.2cJason:Theairhasbecomereallypollutedaroundhere.I’mgettingveryworried.Susan:Yes,Iusedtobeabletoseestarsinthesky.Jason:Theproblemisthat...Whatshouldwedotosavetheearth?Turnoffthelightswhenyouleavearoom.Stopridingincars.Stopusingpapertowelsornapkins.n.餐巾,餐巾纸Interviewer:JasonandSusan,whatareyourideasforsolvingtheseproblems?Jason:Well,tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.Susan:Yeah,orrideabike.Thereareother

advantagesofbikeriding.It’sgoodforhealthanditdoesn’tcostanything!Role-playtheconversation.2dInterviewer:Greatideas!Whataboutwaste

pollution?Susan:Mmm,Ithinksimplethingslike

bringingabagtogoshoppingcanhelp.

Istarteddoingthatayearago.Jason:Me,too.Also,Inevertakewooden

chopsticksorplasticforkswhenIbuy

takeawayfood.Iusetheonesathome.Susan:Andremembertothrow

rubbishinthebinsandkeep

publicplacescleanand

beautifulforeveryone.Interviewer:Sotogether,ouractions

canmakea

difference

andleadtobetter

future!Completethechart.ProblemsSolvingproblemsairpollutionwastepollutiontakethebus,subwayorrideabikeinsteadofdrivingbringabagtogoshoppingusechopsticksorforksathomethrowrubbishinthebins1.We’retryingtosavetheearth!我们正在竭尽全力拯救地球!trytodo=tryone’sbesttodo努力去做某事e.g.We’ll

try

tofinishtheworkinaweek.

我们将努力在一周内完成这项工作。Languagepoints2.Herearesomewordsrelatedtodifferentkindsofpollution.berelatedto与……有关e.g.

Isthedriverrelatedtotheaccident?

司机和这起事故有关吗？3.Eventhebottomoftheriverwasfullofrubbish.Yes,butpeoplearethrowinglitterintotheriver.litter和rubbish都可指“垃圾”，用作不可数名词。litter指“（室内或公共场所）乱扔的废物（纸屑、不要的包装纸、废瓶等）”还可回收。rubbish指“没用的东西（被扔或将要丢弃的无用的东西）”不可回收。e.g.Throwtherubbishout.把垃圾扔出去。Theroomisfullofrubbish.房间里堆满了垃圾。Pickupyourlitterafterapicnic.野餐后将废弃物收拾好。4.Everyoneinthistownshouldplayapartincleaningitup!playapartin在……方面起作用e.g.Agooddietplaysalargepartinhelpingpeoplelivelonger.

健康的饮食在帮助人们长寿方面起着非常

大的作用。5.It’sgoodforhealthanditdoesn’tcostanything!cost

v.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。take多表示花费时间常用于Ittakessb.sometimetodosth.句型中，其中it作形式主语。e.g.Itusuallytakesme40minutestocookthedinner.spend多表示花费时间和金钱，主语常是人，常用于sb.spend(s)sometime/moneyonsth.sb.spend(s)sometime/money(in)doingsth.两种句型。e.g.Davidspent2,000yuanonthenewmachine.Myfatherspendsanhour(in)watchingthenewsonTVeveryday.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.Tommypaid20yuanforhisbreakfastyesterday.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.根据句意用take,spend,pay或cost的适当形式填空。1.Thatnewcar________

themlotsofmoney.2.Mona__________50yuanonthebooksjustnow.3.Itusually_______

meanhourtodomyhomework.cost

spent

takes【运用】4.Youshould__________

sometimepractisingyourpronunciation.5.Mybrother_______

6,000yuanforthenewcomputeryesterday.spendpaidExercisesbin,cost,coal,fisherman,takeaway1.Ahot________felloutofthefireandburntthe

carpet(地毯).2.A__________ishotcookedfoodthatyoubuyfromashoporrestaurantandeatsomewhereelse.coaltakeawayⅠ.根据句意，从方框中选择恰当的单词填空，

有的需要变换形式。3.DoyouwantthisorshallIthrowitinthe

________?4.Writingsuchalongnovel________much

timeandpatience.5.Look!Some____________arecatchingfish

overthere.costsfishermenbinⅡ.根据汉语意思完成英语句子。1.工人们正在竭尽全力降低事故率。

Theworkersaredoingalltheycan___________

theaccidentrate.2.左边第二个房间里堆满了书。

Thesecondroomontheleftis_________________

books.tocutdownfullof/filledwith3.你应该向那些参与挽救病人的医生道谢。

Youshouldsaythankstothosedoctorswho

have_________________savingthepatient.playedapartin4.拉里将去开会，而不是我。Larrywillgotothemeeting__________me.insteadof5.我的目的是把这件坏事变成好事。

Mypurposeisto________thisbadthing

________a

goodone.6.保持教室干净是我们的责任。

It’sourdutyto________theclassroom

_______.turnkeepintoclean7.我们小区的噪音污染很严重。

The_________________inourneighborhood

isveryserious.noisepollutionⅢ.汉译英。我尽量今天晚上完成工作。他在工作中起重要作用。这些问题都是密切相关的。Iwilltrytofinishtheworkthisevening.Heplaysanimportantpartinthework.Theseproblemsarecloselyrelated.ManyjobsrequirepeoplewhoaregoodatEnglish.IfyourEnglishisgood,youwillhaveonemore______whensearchingforjobs.

methodB.interestC.advantageD.examination中考链接句意为“很多工作要求擅长英语的人。如果你的英语很好，在找工作的时候会拥有又一个优点。”方法优点兴趣考试—TheteenagerscleanupthecityparkeverySaturday.—Sometimessmallthingscanmakea_______.

A.promise

B.conversation

C.difference

D.discussion中考链接句意为“那些青少年每周六都打扫城市公园。有时候一些小事也会产生（好的）影响。”承诺不同对话讨论Canyousharesomethingabouthowtoprotectourenvironment?Problem:airpollution,wastepollution...Solutions:recyclebooksandpaper,stopdrivingcars...Weshouldtakethebusorsubwayinsteadofdriving.Yes,orrideabike.It’salsogoodforourhealth.Forthewastepollution,Ineverusewoodenchopsticksinrestaurant.Andthrowrubbishinthebins.Whatdoyouknowabouttheseanimals?Doyouthinktheyareendangered?Why?Haveeverheardofthesharks?adj.濒危的鲨鱼Lookatthepictureandthetopic,What’sthemainideaofthispassage?Canyouguess?A.Thesharkfinsoupisfamousandexpensive.B.Thenumbersofthesharkshavefallenveryfast.C.Thesharksareendangeredintheworld.√While-readingParagraph1helpsavethesharksParagraph2thesharksareendangeredParagraph3

thesharkfinsoupReadthepassagequickly.Thenmatcheachparagraphwiththemainidea.WheresharkfinsoupispopularNumberofsharkscaughtandtradedeveryyearHowgovernmentcanhelpTwoenvironmentalgroupsagainst“finning”southernChina70milliondeveloplawstostopthesaleofsharkfinsWildAidandtheWWF(鱼)鳍Readthepassageaboutsharksandcompletethefactsheetbelow.3a1.Manypeopledonotrealizetheyarekillingawholeshark______theyenjoyabowlofsharkfinsoup.2.Sharksareatthetopofthefoodchain,____iftheirnumbersdrop,theocean’secosystemwillbeindanger.whenReadthepassageagainandfillintheblankswiththewordsinthebox.3bsoalthoughifbutwhenso在…的顶端食物链生态系统3.Manythinkthatsharksaretoostrongtobeendangered,_____theyarewrong.4._________thereareno

scientific

studiestosupportthis,alotofpeoplebelievethatsharkfinsaregoodforhealth.5.Sharksmaydisappearoneday___wedonotdosomethingtostopthesaleofsharkfins.butAlthoughifadj.科学的

Somepeopleliketoeatshark'sfinsoup,especiallyin_______China.Butgettingtheshark'sfinisvery_____.Whenpeoplecatchsharks,they_________theirfinsandthrowthesharksbackintotheocean.Thesharkslowlydiesbecauseitcan’t_______withoutthefin.Anditisalso________toenvironment.Sharkareatthe_____ofthefoodchain.Ifthe________ofsharksdropstoolow,itwillbreakthebalanceofnature.Pleasesaynotoeatingthesharkfinsoup,andtakeactiontosavethesharks!southerncruelcutoffswimharmfultopnumbers采取行动Fillintheblanks.Post-readingNosharkfin,fisheveryyear!Savetheanimals!Saveourselves!Savetheearth!Whatattitudeshouldwetaketowardssharks?Whatcanwedotosaveourselves?BecauseofNovelcoronavirus,weChinesehavehadaspecialSpringFestival.

Nobodywantstogetthedisease,buthowshouldwepreventNCPandprotectourselves?Thereisnodoubtthathuntingwildanimalshasabadinfluence.Foronething,itcausestheimbalanceofourecosystem.Foranother,itleadstothespreadofinfectiousdiseasesfromanimalstoushumanbeings,suchasSARSandNovelcoronavirus.Weshouldneverhavewildanimalsforfood.[观察1]

Whenpeoplecatchsharks,theycutofftheirfinsandthrowthesharksbackintotheocean.

[探究]

cutoff切掉；切断

Theelectricityhasbeencutoffagain.又停电了。[观察2]

Thisisnotonlycruel,butalsoharmfultotheenvironment.[探究]

1.

crueladj.残酷的；残忍的

weshouldn’tbecrueltotheanimals.我们不应该虐待动物。2.beharmfulto...对...有害，其同义短语bebadfor...Theairpollutionisharmfultoourhealth.空气污染不利于身体健康。

[观察3]

Withoutafin,asharkcannolongerswimandslowlydies.[探究]

nolonger不再；强调时间和动作不再持续相当于not...anylongerShenolongerliveshere.=Shedoesn’tlivehereanylonger.她不再住在这儿了。[观察4]

Butinfact,around70millionsharksarecaughtandtradedinthisindustryeveryyear.[探究]

1.infact事实上；实际上Infact,thewordsalarycomesfromthewordsalt.事实上，薪水这个词来自于盐这个词。2.Industryn.工业；行业。既可以做可数名词也可以做不可数名词，heavy/lightindustry重、轻工业Weneedtodeveloplocalindustries.我们需要发展地方工业。[观察5]

Thenumbersofsomekindsofsharkshavefallenbyover90percentinthelast20to30years.[探究]

thenumbersof...的数量；是thenumberof的复数形式。此处，numbers表示不同种类鲨鱼的数量。Thenumbersofdifferentkindsoftreesaregrowingquickly.不同种类的树的数量正在快速增长。thenumberof...的数量anumberof一些；若干+可数名词复数做主语时，谓语动词用单数[辨析]thenumberof与anumberof+可数名词复数做主语时，谓语动词用复数[观察6]

Theyhaveevenaskedgovernmentstodeveloplawstostopthesaleofsharkfins.[探究]

lawn.法律；法规。lawyern.律师obeythelaw遵守法律breakthelaw违法Heisalawyerandhealwaystellusthateveryoneshouldobeythelaw.他是一名律师并且总是告诉我们要遵守法律。[观察7]

Sofar,noscientificstudieshaveshownthatsharkfinsaregoodforhealth,sowhyeatthem?[探究]

sofar到目前为止；迄今为止。常用于现在完成时Iwasn'ttoohappywithwhatI'dwrittensofar.我对于目前已写完的这些并不太满意。1.They______theirfinswhenpeoplecatchsharks.(切掉）

2.Mr.Liis_________amusiclover.(不再）3.He