英语人教版九年级全册Unit13-SectionA.ppt

1、Unit13Weretryingtosavetheearth!,SectionA23a-3b,Theearthisbadlypolluted.Whatshouldwedotosavetheearth?,Warmingup,Letstakeaction(采取行动),Turnoffthelightswhenyouleavearoom.,Recyclebooksandpaper.,Takebusesinsteadofdrivingcars.,Savetheearth!Savetheanimals!,Weliveinthesamesmallworld.Someanimalsareendangered.

2、Weshoulddosomethingtoprotecttheanimalsandtheenvironment!Toloveanimalsistoloveourselves.,Discusswithyourpartner:,1.Whatdoyouknowaboutsharks（鲨鱼）?2.Doyouthinksharkscanbeendangered?why?,sharkfin,Beforeyouread,Whocanyouseeinthepicture?Whatdoesthepassagemaytalkabout?,1.Ashark.,2.Itmaytalkaboutthesharks.,L

3、ookatthephoto,thetitletothestoryonpage99.Thenanswerthequestionsbelow.,1,Readthetitle,thefirstandlastsentencesineachparagraphsandmatchthemainideas.,Para.1Para.2Para.3,Environmentalprotectiongroupsareagainst“finning”.Somebasicfactsaboutsharkfinsoup.Someimportantfactsaboutkillingsharks.,Sharksfin（鱼鳍）so

4、upisfamousandexpensiveallaroundtheworld.Yourekillingawholesharkwhenyouenjoyabowlofsharksfinsoup.,Whileyouread,ReadParagraph1andjudgethesentences.,F,T,2,1.Peoplecutoffsharksfinsandthrowthesharksbackintotheocean.,2.Sharksareatthebottomofthefoodchainintheoceansecosystem.,n.生态系统,食物链,ReadParagraph2andjud

5、gethesentences.,F,T,Savethesharks!,peoplecutofftheirfinsandeatsharkfinsoup.,Asharkcannolongerswimandslowlydies.,atthetopofthefoodchainintheoceansecosystem,Ifsharksnumbersdroptoolow,Itwillbringdangertoalloceanlife.,ReadParagraph3andjudgethesentences.,F,T,F,WildAidandtheWWFareenvironmentalprotectiongr

6、oupsinChina.Twoenvironmentalgroupsappealtoestablishlawstostopsalesharkfins.Sharksfinsaregoodforhealth.,InsouthernChina,70million,Todeveloplawstostopthesaleofsharkfin,WildAidandtheWWF,1.Manypeopledonotrealizetheyarekillingawholeshark_theyenjoyabowlofsharkfinsoup.2.Sharksareatthetopofthefoodchain,_the

7、irnumbersdrop,theoceansecosystemwillbeindanger.,when,so,Readthepassageagainandfillintheblankswiththewordsinthebox.,3b,3.Manythinkthatsharksaretoostrongtobeendangered,_theyarewrong.4._therearenoscientificstudiestosupportthis,alotofpeoplebelievethatsharkfinsaregoodforhealth.5.Sharksmaydisappearoneday_

8、wedonotdosomethingtostopthesaleofsharkfins.,but,Although,if,adj.科学上的，科学的,Checkifyouknowthesephrases.,1.听说2.在中国南部地区3.切掉4.不仅而且5.对有害6.在的顶部7.食物链8.实际上，事实上9.的数量10.到目前为止,heardofinsouthernChinacutoffnotonly。butalsoharmfultoatthetopofthefoodchaininfactthenumberofSofar,根据汉语提示完成句子。1.我们必须采取行动来阻止他们。Wemust_tostopthem.2.我从没听说过这个人。Ihavenever_suchaman.3.我们乐意尽力帮你摆脱困境。Wearegladtodowhatwecando_.4.到目前为止，我已经交了二十个朋友。_,Ihavemadetwentyfriends.5.实际上，她从没去过那儿。_,shehasneverbeenthere.,Infact,takeaction,heardof