九年級(jí) 英語(yǔ) 下冊(cè)《Unit 13 Section A (2a-2d)》課件

英語(yǔ)教學(xué)課件（RJ）Goforit!九年級(jí)（下）SectionA(2a-2d)Unit13We’retryingtosavetheearth!LearningGoalsKeywords&phrases:

coal,ugly,advantage,cost,wooden,plastic,takeaway,bin.Keysentences:

1.Theairhasbecomereallypollutedaroundhere.2.Ouractionscanmakeadifferenceandleadtoabetterfuture!Tothinkaboutwaysofprotectingtheenvironment.Words&Expressionscoaluglyadvantagecostn.

煤；煤塊adj.丑陋的；難看的n.

優(yōu)點(diǎn)；有利條件v.花費(fèi)

n.花費(fèi)；價(jià)錢(qián)Let'sreadWords&Expressionswoodenplastictakeawaybinadj.木制的；木頭的adj.塑料的

n.

塑料；塑膠n.

外賣(mài)食物n.

垃圾箱Let'swatchavideo!Warming-upFreetalkHowdoyoufeelafterwatchingthevideo?Whatcanwedotohealtheworldinourdailylife?Presentation2aListentotheinterview.CirclethekindsofpollutionthatJasonandSusantalkabout.A.landpollutionB.airpollutionC.noisepollutionD.waterpollutionWhile-listening2bListenagainandcompletethesentences.1.Theairisbadlypollutedbecausethereare_____________ontheroadthesedays.2.Factoriesthatburncoalalso___________theairwithalotofblacksmoke.3.Thereisalsotoomuchrubbishandwaste.People________________thingseveryday.4.Peoplearealsolitteringin________________likeparks.Thisisturningbeautifulplacesintouglyones.morecarspollutearethrowingawaypublicplacesWhile-listeningListenandread.Interviewer:Todaywe’retalkingtoJasonandSusanaboutenvironmentalproblems.JasonandSusan,canyoutellusaboutsomeofthe

problemsyou’veseen?Jason:Ithinkoneproblemisthattheairisbadlypolluted.Ihardlyeverseeblueskiesanymore.Susan:Yes,andIusedtoseethestarsclearly.Interviewer:Whatdoyouthinkhascausedthisproblem?Susan:Well,therearemorecarsontheroadthesedays.Let'sreadWhile-listeningJason:Andfactoriesthatburncoalalsopollutetheairwithalotofblacksmoke.Interviewer:Whatotherproblemsdoyousee?Susan:

Iguessthere’stoomuchrubbishandwasteinthestreets.Jason:Yes!Everydaypeoplearethrowingawaythingslikewoodenchopsticks,plasticbowlsandplasticbags.coaln.煤；煤塊woodenadj.木制的；木頭的plasticadj.塑料的n.塑料；塑膠Susan:They’realsolitteringinpublicplaces,forexample,duringpicnicsinparks.Thisisturningbeautifulplacesintouglyones.Interviewer:You’reright.Theseareseriousproblemsforourenvironment.Next,let’stalkaboutthethingswecandotohelp.uglyadj.丑陋的；難看的Post-listening2cUsetheinformationin2aand2btorole-playconversationsbetweenJasonandSusan.Theairhasbecomereallypollutedaroundhere.I’mgettingveryworried.Yes,Iusedtobeabletoseestarsinthesky.Theproblemisthat...Weshouldwalk,rideabike,takethebusorsubwayinsteadofdriving.Whatareyourideasforsolvingtheproblemofairpollution?insteadof代替；而不是Weshouldplantmoretrees.Whatareyourideasforsolvingtheproblemofairpollution?Useyourownchopstickswhenyoubuytakeawayfood.takeawayn.外賣(mài)食物Whatareyourideasforsolvingtheproblemofwastepollution?Weshouldbringabagwhenwegoshopping.Weshouldn’tuseplasticbagsandthrowthemeverywhere.Whatareyourideasforsolvingtheproblemofwastepollution?Weshouldthrowrubbishinthe（right）bins.binn.垃圾箱Whatareyourideasforsolvingtheproblemofwastepollution?2dRole-playtheconversation.While-readingInterviewer:JasonandSusan,whatareyourideasforsolvingtheseproblems?Jason:Well,tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.Susan:Yeah,orrideabike.Thereareotheradvantagesofbikeriding.It’sgoodforhealthanditdoesn’tcostanything!Interviewer:Greatideas!Whataboutwastepollution?While-readingSusan:Mmm,Ithinksimplethingslikebringingabagtogo

shoppingcanhelp.Istarteddoingthatayearago.Jason:Me,too.Also,InevertakewoodenchopsticksorplasticforkswhenIbuytakeawayfood.Iusetheonesathome.Susan:Andremembertothrowrubbishinthebinsandkeeppublic

placescleanandbeautifulforeveryone.Interviewer:Sotogether,ouractionscanmakeadifferenceandleadtoabetterfuture!Post-readingReadtheconversationin2dandfillinthechartbelow.PollutionWaystosolvetheproblemAirpollutionWastepollutionRideabike,takethebusorsubwayinsteadofdriving.Bringabagtogoshopping.Don’ttakewoodenchopsticksorplasticforkswhenyoubuytakeawayfood.Throwrubbishinthebins.Post-readingWhatdidyoulearnfromtheconversation?Whatotherthingscanwedotoprotectourenvironment?Think-Pair-ShareLet'swatchavideo!Trytoimitatethepronunciationandintonation.LanguagePoints1.Thereareotheradvantagesofbikeriding.(教材P982d)advantage

/?d?vɑ?nt?d?/,/?d?v?nt?d?/n.優(yōu)點(diǎn)；有利條件advantage作名詞，其反義詞為disadvantage“缺點(diǎn)；不利條件”。takeadvantageof...意為“利用……”。Beforemakingyourdecision,youshouldconsidertheadvantagesanddisadvantages.Whenpossible,takeadvantageofthistimetoenjoytheniceweather.2.It’sgoodforhealthanditdoesn’tcostanything!(教材P982d)

cost/k?st/,/k??st/v.

花費(fèi)cost在此處作動(dòng)詞，其過(guò)去式和過(guò)去分詞均為cost。Thewatchcostme200yuan.【拓展】cost還可作名詞，意為“花費(fèi)；價(jià)錢(qián)”。Couldyoutellmethecostofthetrip?【易混辨析】cost,spend,take與pay例詞主語(yǔ)賓語(yǔ)常用結(jié)構(gòu)cost物金錢(qián)sth.cost(s)(sb.)somemoney某物花費(fèi)(某人)多少錢(qián)spend人時(shí)間或金錢(qián)sb.spend(s)sometime/moneyonsth.某人花費(fèi)時(shí)間/金錢(qián)在某事/物上sb.spend(s)sometime/moneydoingsth.某人花費(fèi)時(shí)間/金錢(qián)做某事take常用it作形式主語(yǔ)時(shí)間ittakessb.sometimetodosth.做某事花費(fèi)某人多長(zhǎng)時(shí)間pay人金錢(qián)sb.pay(s)somemoneyforsth.某人為某物付費(fèi)Exercises一、單項(xiàng)選擇1.—Therearealotof______ofbikeriding.—Iagree.It’sgoodfortheenvironmentanditsavesmoney.A.instructionsB.instrumentsC.advantagesD.products2.M