英语人教版九年级全册Unit13Savethesharks!3a

1、Unit13We'retryingtosavetheearStehc!tionA(3a-3b)、教学目标：1.语言知识目标基本词汇：shark,fin,cruel.harmful,chain,ecosystem,industry,law,scientific,afford,基本词组：beharmfulto,atthetop(ofsth.),takepartin,turnoff,takeaction,throwaway，foodchain,inthelast20to30years,nolonger.基本句型：Manypeoplethinkthatsharksaretoostrongtob

2、eendangered,buttheyarewrong.Noscientificstudieshaveshowedthatsharkfinsaregoodforhealth.Thisisnotonlycruelbutalsoharmfultotheenvironment.Ifsharks'numbersdroptoolow,itwillbringdangertoalloceanlife.befriendlytonature,callforpeoplenotFinning'anymore.3.能力目标：usereadingski(llskimming，scanning，caref

3、ulreading)togetthemainidea.Howtocatchthemainideaofthepassageandhowtocallforpeopletoprotecttheendangeredanimals.三、教学用具：多媒体四、教学方法：Skimming,Scanning,carefulreading五、教学步骤:步骤教师活动学生活动SteplPresentation(pre-reading)视频导入：由蓝色美丽的大海导入美丽海洋的小视频，看1min的视频，回答Whathaveyouseeninthevideo?Sodifferentkindsofanimalswillcom

4、etotheocea'ecosystem.Whataboutthisone?Thisisalsothefoodchain.Whatkindofanimalisatthetopofthefoodchain?Sothesharksareatthetopoffoodchain.Peoplethinkthatthesharksaretoostrongtobeendangered,aretheyright?Becausemanysharksareendangerednow.Sotodaywe'lllearnapassageaboutsavingtheshark.Allkindofanim

5、alsFoodchainShark!NoStep2SkimmingReadthepassagequickly.Findoutwhatthemainideaofeachparagraphis?Paragraph1environmentalgroupsParagraph2sharkfinsoupParagraph3endangeredsharksSowehavethemainstructureofthispassage.The1stparagraphtellsusaboutsomethingaboutthesharkfinsoup.The2ndparagraphidescribestheendan

6、geredsharks.The3rdparagraphshowssomegroupsthatareagainstfinning.Step3WhereissharkfinsoupInsouthernChinaIntensivereading(carefulpopular?They'rekillingareading)Whatdoesitmeanwhenpeoplewholesharkwhen1)ReadPara1.andansweenjoyabowlofsharkfinsoup?theyenjoyabowlofLet'seewhatdoyouknowaboutPara.1shar

7、kfinsoup.2)ReadPara2.Inthisparagraph,weknowsharkfinsoupisverypopularinsouthernChina,whenpeopleenjoyabowlof1. Theycutofftheirfins.Throwthembackintotheocean.2. diesharkfinsoup,itmeansthatpeopleThisisnotonlycrueliskillingawholeshark.Buthowbutalsoharmfulpeoplekilltheshark?Let'sseeashortvideoaboutsha

8、rks,thentotheenvironment.answerthefollowingquestions.Sharksareatthetop1.Howdopeopledealwiththemofthefoodchain,sowhentheycatchthesharks?iftheir2.Withoutafin,whatwillhappentonumbersdroptootheshark?low,itwillbringWhatdoyouthinkofthiskindofdangertosituation?Readthe2ndparagraphandthentellmetheanswersallo

9、ceanlife.1.WhyisitharmfultotheAround70millionenvironment?sharksarecaughtandtradedeveryyear2.Whatdothetwonumbersmean?ThenumbersofsomeThatmeanssharksareatthetopofthefoodchain,iftheirnumbersdroptoolow,itwillbringdangertoalloceanlife.Whatdoesthe“70million”Whatisthemeaningof“90percent”？Thetwonumbersshowt

10、hepresentsituationoftheendangeredsharks.Shouldpeoplestopkillingthesharks?kindsofsharkshavefallenbyover90percentinthepast20to30years.mean?Ifwecan'stopthekilling,thesharkswilldisappear.ThisissomuchaboutPara.2.Nowlet'fisintheblanksaccordingtothe2ndparagraph.a. Thesharksarethefoodchainintheocean

11、'secosystem.b. Peopletheirfinsandthemocean.andc. Asharkcanslowlydies.d. Ifsharksnumbers,Itwillalloceanlife.Let'sretellthisparagraphaccordingtothesekeywords.Let'haveatry.（教师带两遍）Howaboutretellingthispartaccordingtothesepictures.Let'sretelltogether.两遍）Howaboutretellingthispartaccordingt

12、othesepictures.Let'retelltogether.两遍）s3）ReadPara3.andanswerWehavetalkedaboutthefirsttwoparagraphs.Nowlet'seethelastWildaidandWWFparagragh.TheyareteachingtheInthisparagraph,twogroupsarepublicaboutmentioned,findoutwhattheyare.2.Whataretheydoingandwhatfinninghavetheydone?TheyhaveevenIhavesomein

13、formationaboutaskedgovernmentstothesetwoenvironmentgroups.developlaws（法律）Weknowthesetwogroupsaretostopthesaleoftryingtheirbesttosavetheanimals.sharkfins.SincesomanypeopleenjoytheNoscientificstudiessharkfinsoup.haveshownthatSowhydoweeat?Fromthisclass,sharkfinsaregoodweknowthatthesharksareendangered,butArethesharkfinsreallygoodforhealthArethesharkstheonlyendangeredanimals?forhealth.Step4Fu