人教新目标版九全英语 Unit13 SectionA 3a~3b 教学课件

Unit13

Wearetryingtosavetheearth!SectionA3a~3b九年级全一册

人教版LearningGoalsWarmingUpReadingSummaryExercises112345通过本课的学习，学生能够：①获取文中鲨鱼被捕杀的原因、造成的后果以及现状。②掌握文中的重点词汇和表达，复述文章核心内容。③提升保护动物的意识。LearningGoalsWhatdoyouknowaboutsharks?WarmingUpWhatcanyouseeinthevideo?Sharkarekilledbyaccidentandpeoplearetryingtosavethem.Lookatthetitle“SavetheSharks”.Whatdoyouthinkishappeningtosharks?Justkilledbyaccident?Howmanysharksdoyouthinkarekilledeveryyear?Whypeoplearekillingthem?Pre-readingLet’sskim!Readthepassagequicklyandthenanswerthequestions:Around70millionsharksarecaughtandtradedinthisindustryeveryyear.1.Howmanysharksarecaughtandtradedeveryyear?While-readingPeoplecatchsharksandcutofftheirfinsandthrowthembackintotheocean.Withoutafin,asharkdies.3.Whatdoyouthinkmighthavecausedafallinthenumberofsharks?Yes,Ithinksharksareendangered.Becausewhenpeoplecatchsharks,theycutofftheirfinsandthrowthesharksbackintotheocean.Withoutafin,asharkcannolongerswimandslowlydies.2.Doyouthinksharksareendangered?Why?SavetheSharks!提出问题：吃一碗鱼翅羹就是杀害一整头鲨鱼(Para.1)Let’sscan！ReadPara.1andfillintheblanks.abowlofsharkfinsoup=killingawholesharkLet’sread.SavetheSharks!Manyhaveheardofsharkfinsoup①.Butdoyourealizethatyou’rekillingawholesharkeachtimeyouenjoyabowlofsharkfinsoup?听说,相当于hearabout鱼翅羹cutofftheir___andthrowthesharksbackintotheoceancruelandharmfultotheenvironmentaround__________sharksarecaughtandtradedeveryyearbringdangertoalloceanlifethenumbersofsomekindsofsharkshavefallenbyover90percent______________________分析问题：为什么要阻止“猎翅”(Para.2)ReadPara.2andcompletethechart.70millioninthelast20to30yearsfinsWhenpeoplecatchsharks,theycutofftheirfinsandthrowthesharksbackintotheocean.Thisisnotonlycruel,butalsoharmfultotheenvironment②.Withoutafin,asharkcannolongerswimandslowlydies.Sharksareatthetopofthefoodchainintheocean’secosystem.Iftheirnumbersdroptoolow,itwillbringdangertoalloceanlife.Manybelievethatsharkscanneverbeendangeredbecausetheyarethestrongestin切掉；切断/ˈkruːəl/adj.残酷的；残忍的adj.

有害的

beharmfulto对……有害不再在食物链的顶端/ˈiːkəʊsɪstəm/n.生态系统theirfoodchain.Butinfact,around70millionsharksarecaughtandtradedinthisindustryeveryyear.Thenumbersofsomekindsofsharkshavefallenbyover90percentinthelast20to30years./ˈɪndəstri/n.工业；行业在过去的20到30年里，是现在完成时的标志性时间状语之一解决问题：环保组织号召反对“猎翅”environmentalprotectiongroupsnoscientificstudieshaveshownteachingthepublicabout“finning”askedgovernments(Para.3)ReadPara.3andtellhowtoprotectsharks.thatsharkfinsaregoodforhealthtodeveloplawstostopthesaleofsharkfinsEnvironmentalprotectiongroupsaroundtheworld,suchasWildAidandtheWWF,areteachingthepublicabout“finning”.Theyhaveevenaskedgovernmentstodeveloplawstostopthesaleofsharkfins.Sofar,noscientific

studieshaveshownthatsharkfinsaregoodfor

health,sowhyeatthem?Helpsavethesharks!/ˌsaɪənˈtɪfɪk/adj.科学上的；科学的到目前为止；迄今为止是现在完成时的标志性时间状语之一/lɔː/lawn.法律根据上下文说出句子中的they指代什么：1.Whenpeoplecatchsharks,theycutofftheirfinsandthrowthesharksbackintotheocean.2.Manybelievethatsharkscanneverbeendangeredbecausetheyarethestrongestintheirfoodchain.3.Theyhaveevenaskedgovernmentstodeveloplawstostopthesaleofsharkfins.peoplesharksenvironmentalprotectiongroups3b.Readthepassageagainandfillintheblankswiththewordsinthebox.1.Manypeopledonotrealizetheyarekillingawholeshark______theyenjoyabowlofsharkfinsoup.2.Sharksareatthetopofthefoodchain,________iftheirnumbersdrop,theocean’secosystemwillbeindanger.3.Manythinkthatsharksaretoostrongtobeendangered,_______theyarewrong.whensobutsoalthoughifbutwhen4.________therearenoscientificstudiestosupportthis,alotofpeoplebelievethatsharkfinsaregoodforhealth.5.Sharksmaydisappearoneday_______wedonotdosomethingtostopthesaleofsharkfins.AlthoughifsoalthoughifbutwhenFillintheblanksaccordingtothepassage.Somepeopleliketoeatsharkfinsoup.Butgettingthesharkfinisvery

.Whenpeoplecatchsharks,they

theirfinsandthrowthesharksbackintotheocean.Thesharksslowlydiebecausetheycan’t

withoutfins.Anditisalso________totheenvironment.Sharksareatthe____ofthefoodchain.Ifthenumberofsharksdropstoolow,itwillbreakthebalanceofthenature.Pleasesaynotoeatingsharkfinsoup,andtakeactiontosavethesharks!cruelcutoffswimharmfultopPost-readingDiscussionWhatcanwedotoprotectendangeredanimals?KeyPhrases听说 ______________________鱼翅羹

______________________切掉；切断

______________________极其残忍______________________不再______________________对……有害

______________________在食物链的顶端

______________________hearofsharkfinsoupcutoffextremelycruelbeharmfulto...nolongeratthetopofthefoodchain自然生态系统 ______________________服务行业

______________________在过去的20到30年里

______________________在法律上______________________到目前为止______________________科学研究

______________________naturalecosystemserviceindustryinthelast20to30yearsinlawsofarscientificstudy1.Manyhaveheardofsharkfinsoup.LanguagePointshearof/about听说hearfrom收到......的来信hearsb.dosth.（全过程）hearsb.doingsth.（正在进行）听到某人做某事Yourfatherwillbehappytohearofthisremarkableimprovement.你父亲要是听到这个显著的进步，一定会高兴的。返回InstantTrainingTheparentsdidn’treceivea

letterfrom（同义替换）theirsonafterthataccident，sotheywereworried.（

）A.didn'thearof

B.didn'thearfromC.didn'thearabout

D.didn'thearB2.Thisisnotonlycruel,butalsoharmfultotheenvironment.harmful有害的→harm(n.&v.)伤害；危害beharmfulto...对......有害Toostronglightisharmfultoeyes.太强的光线对眼睛有害。Itmeanssmokingisharmfultoourhealth.这意味着吸烟对我们的健康有害。返回InstantTrainingDon’treadinthesun.

Itisbadfor（同义替换）youreyes.（

）A.isgoodfor

B.iscrueltoC.isharmfulto

D.isthankfultoCindustryExercises一、根据句意及汉语提示完成单词。1.Weshouldusesome________（科学的）waystosolvetheproblem.2.Withthedevelopmentof_________（工业）,itwillcausesomepollutionproblems.3.Thebossis

______（残酷的）.

Hemakesthechildrenwork12hourseveryday.4.Everyonemustobeythe________（法律）inourcountry.5.Pollutedairandwaterare________（有害的）topeople’shealth.scientificcruellawharmful二、单项选择6.Weshoulddosome