Unit 13 Section A (3a-3c)课件 2021-2022学年人教新目标英语九年级全册

SectionA(3a-3b)1.befullof/befilledwith充满2.throw…into…把……扔到……里3.cutdown减少4.airpollution空气污染5.insteadof

代替,而不是6.makeadifference起作用

7.leadto导致8.Peoplearethrowinglitterintotheriver.Eventhebottomoftheriverisfullofrubbish.9.Everyoneinthistownshouldplayapartincleaningitup!10.Ouractionscanmakeadifferenceandleadtoabetterfuture!11.

Tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.1.Tohavetheawarenessofprotectingthesharksandrespectingnature2.Tounderstandthepassageabouttheendangeredanimal–sharks3.Tolearntousesomewordsandexpressions

Keywords&phrases:shark,fin,cruel,harmful,beharmfulto,atthetopof,chain,thefoodchain,ecosystem,industry,law,scientific

Keysentences:1.Butdoyourealizethatyouarekillngawholesharkeachtimeyouenjoyabowlofsharkfinsoup?2.Butinfact,around70millionsharksarecaughtandtradedinthisindustryeveryyear.sharkfincruelharmfulbeharmfultoatthetopofchainthefoodchainecosystemindustrylawscientificn.鲨鱼n.（鱼）鳍adj.

残酷的；残忍的adj.

有害的对有害的在顶部或顶端n.链子；链条食物链n.生态系统n.工业；行业n.法律；法规adj.科学上的；科学的ReviewthewordsandexpressionsSharksareendangered.Readthepassageaboutsharksandfinishthefollowingtasks.TextbookonPage99Readandmatch.

Para.1Para.2Para.3B.

Talkaboutsharkfinsoup.C.Sharksareendangerednow.A.Callonpeopleagainsteatingsharkfins.Task1ReadPara.1andjudgethesentences.①Shark’sfin（鱼鳍）soupisfamousandexpensiveallaroundtheworld.②You’rekillingawholesharkwhenyouenjoyabowlofsharkfinsoup.FTinsouthernChina.SavetheSharks!Manyhaveheardofsharkfinsoup.ThisfamousandexpensivedishisespeciallypopularinsouthernChina.Butdoyourealizethatyou’rekillingawholesharkeachtimeyouenjoyabowlofsharkfinsoup?peopleenjoy_____________________fishermen___________,___________,then_______________________________________________________decreasedquicklyabowlofsharkfinsoupcatchsharkscuttheirfinsthrowthemintotheoceanThenumbersofsomekindofsharksReadPara.2andfillintheblanks.Whenpeoplecatchsharks,theycutofftheirfinsandthrowthesharkbackintotheocean.Thisisnotonlycruel,butalsoharmfultotheenvironment.Withoutafin,asharkcannolongerswimandslowlydies.Sharksareatthetopofthefoodchainintheocean’secosystem.Iftheirnumbersdroptoolow,itwillbringdangertoalloceanlife.ReadPara.3andanswerthequestions.1.WhatareWildAidandtheWWF?Sofar,noscientificstudieshaveshownthatsharkfinsaregoodforhealth.Theyaretwoenvironmentalpretectiongroups.2.Aresharkfinsgoodforhealth?Environmentalprotectiongroupsaroundtheworld,suchasWildAidandtheWWF,areteachingthepublicabout“finning”.Theyhaveevenaskedgovernmentstodeveloplawstostopthesaleofsharkfins.Sofar,noscientificstudieshaveshownthatsharkfinsaregoodforhealth,sowhyeatthem?Helpsavethesharks!3aWheresharkfinsoupispopularNumberofsharkscaughtandtradedeveryyearThenumbersofsomekindsofsharkshavefalleninthelast20to30yearsTwoenvironmentalgroupsagainst“finning”insouthernChina70millionover90percentWildAid&theWWFReadthepassageaboutsharksandcompletethefactsheetbelow.1.Manypeopledonotrealizetheyarekillingawholeshark______theyenjoyabowlofsharkfinsoup.2.Sharksareatthetopofthefoodchain,____iftheirnumbersdrop,theocean’secosystemwillbeindanger.3.Manythinkthatsharksaretoostrongtobeendangered,_____theyarewrong.4._________therearenoscientificstudiestosupportthis,alotofpeoplebelievethatsharkfinsaregoodforhealth.5.Sharksmaydisappearoneday_____wedonotdosomethingtostopthesaleofsharkfins.whensobutAlthoughifsoalthoughifbutwhen

Readthepassageagainandfillintheblankswiththewordsinthebox.3bP99Awholesharkhasbeenkilledeachtimeyouenjoyabowlof______________.Whenpeople_______sharks,they______theirfinsand_____thesharkbackintotheocean.Withoutafin,asharkcan__________swimandslowlydies.Ifsharks’numbersdroptoolow,itwill______________alloceanlife.______________somekindsofsharkshavefallenbyover90percentinthelast20to30years.cutoffnolongerbringdangertoThenumbersofRetellthepassageaccordingtothewordsbelow.throwsharkfinsoupcatch1.hearof

听说2.cutoff割掉;砍掉3.beharmfulto对……有害4.cutdown

减少5.atthetopof在……顶部或顶端6.thefoodchain食物链7.

sofar迄今为止

8.begoodfor…对……有益9.如果我们不做一些事情来阻止鲨鱼鳍的销售，总有一天鲨鱼会消失的。Sharksmaydisappearonedayifwedon'tdosomethingtostopthesaleofsharkfins.10.在过去的二十到三十年里，一些种类的鲨鱼数量下降了90%。Thenumbersofsomekindsofsharkshave

fallenbyover90percentinthelast20to30years.HomeworkMemorizethesummaryRecitethedialogin3a.Finishtheexercisesonthestudents’book.PreviewGrammarfocus-4bonpage100.1.Asharkcannolongerswimandslowlydies.nolonger“不再”Languagepoints1)I’mnolongerastudent.

我不再是个学生了。

2)Heknowsthatheisnolongeryoung.他知道自己不再年轻。2.Thismethodisnotonlycruel,butalso

harmfultotheenvironment.notonly…butalso…表示并列，着重强调后者，“不仅……而且……”（also可省略）1)Shenotonlyplayswell,butalsowritesmusic.她不仅很会演奏，而且还会作曲。2)Helikesnotonlyswimmingbutalsorunning.他不但喜欢游泳，而且也喜欢跑步。

beharmfulto

对…

有害1)Smokingisharmfultothehealth.吸烟有