Unit13 第1课时（SectionA1a-2d） 课件 初中英语人教版九年级全册（2023~2024学年）

SectionA1a-2dUnit13We’retryingtosavetheearth!九年级下册RJ初中英语1.Newwords:litter,bottom,fisherman,coal,ugly,advantage,cost,wooden,plastic,takeaway,bin3.Sentences:①Eventhebottomoftheriverwasfullofrubbish.②Theriverusedtobesoclean.

③

Theairhasbecomereallypollutedaroundhere.2.Expressions:playapartin,cutdown,insteadof,makeadifference,leadtoLearninggoalsWatchthemusicvideoandtalkaboutyourfeelings.点击，播放视频EarthSongWarmingupProtectNatureProtecttheEarthProtecttheenvironmentnoisepollutionairpollutionwaterpollutionWhatcanyou

see

inthepicturesin1a?12341aHerearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.loudmusiccars

rubbishplanes

litteringshipsfactoriessmokingbuildinghousesmobilephoneslitter/ˈlɪtə(r)/v.

乱扔n.

垃圾；废弃物rubbish

n.

垃圾；废弃物loudmusiccars

rubbishplanes

litteringshipsfactoriessmoking

buildinghousesmobilephonesnoisepollution________________________________________________________________________________________________airpollution________________________________________________________________________________________________waterpollution________________________________________________________________________________________________loudmusicplanesbuildinghousesmobilephones(machines,crowds)carsfactoriessmokingbuildinghouses

(burning,powerplants)rubbishlitteringshipsfactories(sewage,pesticides)Readandtrytopredicttheanswers.Whatwastheproblem?Theriverwas___________.Eventhebottomoftheriverwasfullof_________.Therewerenomore____________forfishermentocatch.Whatcausedtheproblem?Peoplearethrowing______________intotheriver.Factoriesareputting______________intotheriver.Howshouldtheproblembesolved?Weshouldwritetothe_____________andaskthemto_____________thefactories.Everyoneshouldhelpto_____________theriver.系动词后加形容词后加名词请认真阅读句子，分析每空应填词性，预测所填内容。bottom/ˈbɒtəm/,/ˈbɑːtəm/n.底部；最下部反义词是top(顶端；顶部)fisherman/ˈfɪʃə(r)mən/n.渔民；钓鱼的人1bListenandcompletethesentences.Whatwastheproblem?Theriverwas___________.Eventhebottomoftheriverwasfullof_________.Therewerenomore____________forfishermentocatch.Whatcausedtheproblem?Peoplearethrowing______________intotheriver.Factoriesareputting______________intotheriver.Howshouldtheproblembesolved?Weshouldwritetothe_____________andaskthemto_____________thefactories.Everyoneshouldhelpto_____________theriver.reallydirtyrubbishfishlitterwastegovernmentclosedowncleanupListenagainandanswerthequestions.Hewantstogoswimmingintheriver.Becausetheriverwasreallydirty.Eventhebottomoftheriverwasfullofrubbish,andtherewerenomorefishforfishermentocatch.Itusedtobesoclean.2.Whydoesn’tMarkwanttogowithTony?WhatdoesTonywanttodolaterthisafternoon?3.Howwastheriverinthepast?Listenandread.Tony:Hey,Mark,maybewecouldgoswimmingintheriverlaterthisafternoon.

Mark:Idon’tthinkIwanttogo,Tony.Tony:Whynot?Mark:Iwastherelastweekendandtheriverwasreallydirty.Eventhebottomoftheriverwasfullofrubbish,andtherewerenomorefishforfishermentocatch.下午晚些时候……的底部Tony:Noway!Itusedtobesoclean.Infact,ithasalwaysbeenthenicestriverinthistown.

Mark:Notanymore.Ithinkpeoplearethrowinglitterintotheriver.Factoriesarealsoputtingwasteintotheriver.Tony:That’sterrible!Weshouldwritetothegovernment.Theyshouldclosedownthefactories.曾经……;过去常常……关闭Mark:Goodidea!ButIthinkeveryoneinthistownshouldhelptocleanuptheriver,too.Everyoneshouldplayapart,notjustthegovernment.playapart=playarole参与；扮演角色；起作用点击，播放视频1cRole-playtheconversation.Thenmakeyourownconversationsaboutthekindsofpollutionin1a.Mark:Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.Tony:Butitusedtobesoclean!Mark:Yes,butpeoplearethrowinglitterintotheriver.Tony:Everyoneinthistownshouldplayapartincleaningitup!参与……;在……方面起作用;在……中扮演角色Huntthewords.Activity全班分为四个大组，每组选择一个上面（2a）所列的主题，根据主题开展词汇接力，每个人必须说出与前一个同学说的词汇有关联的单词或者短语，看看哪一个组能在规定时间（2分钟）内说出最多的相关词汇。landpollutionB.airpollutionC.

noisepollutionD.waterpollution

landpollutionrubbish…一分钟时间回顾本组同学所列词汇，写在笔记本上，看看哪个同学能在规定时间内写出最多的词汇。2aListentotheinterview.CirclethekindsofpollutionthatJasonandSusantalkabout.A.landpollutionB.airpollutionC.noisepollutionD.waterpollution1.Theairisbadlypollutedbecausethereare_____________ontheroadthesedays.2.Factoriesthatburncoalalso___________theairwithalotofblacksmoke.3.Thereisalsotoomuchrubbishandwaste.People__________thingseveryday.4.Peoplearealsolitteringin____________likeparks.Thisisturningbeautifulplacesintouglyones.Readandtrytopredicttheanswers.2bListenagainandcompletethesentences.1.Theairisbadlypollutedbecausethereare_____________ontheroadthesedays.2.Factoriesthatburncoalalso___________theairwithalotofblacksmoke.3.Thereisalsotoomuchrubbishandwaste.People________________thingseveryday.4.Peoplearealsolitteringin________________likeparks.Thisisturningbeautifulplacesintouglyones.morecarspollutearethrowingawaypublicplacesListenandread.Interviewer:Todaywe’retalkingtoJasonandSusanaboutenvironmentalproblems.JasonandSusan,canyoutellusaboutsomeoftheproblemsyou’veseen?Jason:Ithinkoneproblemisthattheairisbadlypolluted.Ihardlyeverseeblueskiesanymore.Susan:Yes,andIusedtoseethestarsclearly.Interviewer:Whatdoyouthinkhascausedthisproblem?Susan:Well,therearemorecarsontheroadthesedays.Jason:Andfactoriesthatburncoalalsopollutetheairwithalotofblacksmoke.Interviewer:Whatotherproblemsdoyousee?Susan:Iguessthere’stoomuchrubbishandwasteinthe

streets.Jason:Yes!Everydaypeoplearethrowingawaythingslikewoodenchopsticks,plasticbowlsandplasticbags.coaln.煤；煤块woodenadj.木制的；木头的plasticadj.塑料的n.塑料；塑胶Susan:They’realsolitteringinpublicplaces,forexample,duringpicnicsinparks.Thisisturningbeautifulplacesintouglyones.Interviewer:You’reright.Theseareseriousproblemsforourenvironment.Next,let’stalkaboutthethingswecandotohelp.uglyadj.丑陋的；难看的2cUsetheinformationin2aand2btorole-playconversationsbetweenJasonandSusan.Theairhasbecomereallypollutedaroundhere.I’mgettingveryworried.Yes,Iusedtobeabletoseestarsinthesky.Theproblemisthat...Weshouldwalk,rideabike,takethebusorsubwayinsteadofdriving.Whatareyourideasforsolvingtheproblemofairpollution?insteadof代替；而不是Weshouldplantmoretrees.Whatareyourideasforsolvingtheproblemofairpollution?Useyourownchopstickswhenyoubuytakeawayfood.takeawayn.外卖食物Whatareyourideasforsolvingtheproblemofwastepollution?Weshouldbringabagwhenwegoshopping.Weshouldn’tuseplasticbagsandthrowthemeverywhere.Whatareyourideasforsolvingtheproblemofwastepollution?Weshouldthrowrubbishinthe（right）bins.binn.垃圾箱Whatareyourideasforsolvingtheproblemofwastepollution?Readtheconversationin2dandfillinthechart.PollutionWaystosolvetheproblemAirpollutionWastepollutionRideabike,takethebusorsubwayinsteadofdriving.Bringabagtogoshopping.Don’ttakewoodenchopsticksorplasticforkswhenyoubuytakeawayfood.Throwrubbishinthebins.Interviewer:JasonandSusan,whatareyourideasforsolvingtheseproblems?Jason:Well,tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.Susan:Yeah,orrideabike.Thereareotheradvantagesofbikeriding.It’sgoodforhealthanditdoesn’tcostanything!Interviewer:Greatideas!Whataboutwastepollution?减少；砍倒2dRole-playtheconversation.Susan:Mmm,Ithinksimplethingslikebringingabagtogoshoppingcanhelp.Istarteddoingthatayearago.Jason:Me,too.Also,InevertakewoodenchopsticksorplasticforkswhenIbuytakeawayfood.Iusetheonesathome.Susan:Andremembertothrowrubbishinthebinsandkeeppublicplacescleanandbeautifulforeveryone.remembertodosth.记得去做某事Interviewer:Sotogether,ouractionscanmakeadifferenceandleadtoabetterfuture!有作用；有影响difference前可用big等词修饰导致；通向makeadifferenceto对……有作用或影响1.Thereareotheradvantagesofbikeriding.(教材P982d)advantage

/ədˈvɑːntɪdʒ/,/ədˈvæntɪdʒ/n.优点；有利条件advantage作名词，其反义词为disadvantage“缺点；不利条件”。takeadvantageof...意为“利用……”。Beforemakingyourdecision,youshouldconsidertheadvantagesanddisadvantages.Whenpossible,takeadvantageofthistimetoenjoytheniceweather.Languagepoints2.It’sgoodforhealthanditdoesn’tcostanything!(教材P982d)

cost/kɒst/,/kɔːst/v.

花费cost在此处作动词，其过去式和过去分词均为cost。Thewatchcostme200yuan.【拓展】cost还可作名词，意为“花费；价钱”。Couldyoutellmethecostofthetrip?【易混辨析】cost,spend,take与pay例词主语宾语常用结构cost物金钱sth.cost(s)(sb.)somemoney某物花费(某人)多少钱spend人时间或金钱sb.spend(s)sometime/moneyonsth.某人花费时间/金钱在某事/物上sb.spend(s)sometime/moneydoingsth.某人花费时间/金钱做某事take常用it作形式主语时间ittakessb.sometimetodosth.做某事花费某人多长时间pay人金钱sb.pay(s)somemoneyforsth.某人为某物付费点击，播放视频一、单项选择1.—Therearealotof______ofbikeriding.—Iagree.It’sgoodfortheenvironmentanditsavesmoney.A.instructionsB.instrumentsC.advantagesD.products2.MyteacherhasgivenmeusefulsuggestionsandIwanttothankhimfromthe_______ofmyheart.A.bottomB.conditionC.wayD.surfaceACExercises1.Ifnoone

(litter),theparkwillbeveryclean.2.ShanxiProvinceproducesthemost

(煤)inChina.3.Themaniscarryingasmall