英语人教版九年级全册Unit 13 Section A 2 (3a-3c).ppt

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1、Unit13We'retryingtosavetheearth!SectionA23a-3bRevisionTranslatethesesentencesintoEnglish.1.甚至是河底都满是垃圾。2.这个镇上的每个人都应该参与清扫。Eventhebottomoftheriverwasfullofrubbish.Everyoneinthistownshouldplayapartincleaningitup.3.骑自行车有其它的优点。4.我买外卖食品从来不拿木筷子和塑料叉子。Thereareotheradvantagesofbikeriding.Inever

2、takewoodenchopsticksorplasticforkswhenIbuytakeawayfood.Theearthisbadlypolluted.Whatshouldwedotosavetheearth?WarmingupLet’stakeaction(采取行动)Turnoffthelightswhenyouleavearoom.Recyclebooksandpaper.Takebusesinsteadofdrivingcars.Therearesomeanimalsareendangered.Weshoulddosomethingtoprotect

3、theanimalsandtheenvironment!Savetheearth!Savetheanimals!Thezoosprovidehomesformanyendangeredanimals.1.Haveyoueverseenashark（鲨鱼）?2.Whatdoyouknowaboutsharks?Discusswithyourpartner:Sharksareendangered,readthepassageandjudgethesentences.Readthefirstparagraph1.Shark’sfin（鱼鳍）soupisfamousan

4、dexpensiveallaroundtheworld.2.Wehavetokillawholesharktogetabowlofshark’sfinsoup.FTReadthesecondparagraph1.Peoplecutoffsharks’finsandthrowthesharksbackintotheocean.2.Sharksareinthebottomofthefoodchainintheocean’secosystem.TFn.生态系统食物链Readthethirdparagraph1.WildAidandtheWWFareenvironmen

5、talprotectiongroupsinChina.2.Shark’sfinsaregoodforhealth.FFWheresharkfinsoupispopularNumberofsharkscaughtandtradedeveryyearHowmuchthenumbersofsomekindsofsharkshavefalleninthelast20to30yearsTwoenvironmentalgroupswhichareagainst“finning”southernChina70millionover90percentWildAidandtheW

6、WF3aReadthepassageaboutsharksandcompletethefactsheetbelow.3bReadthepassageagainandfillintheblankswiththewordsinthebox.soalthoughifbutwhenManypeopledonotrealizetheyarekillingawholeshark______theyenjoyabowlofsharkfinsoup.2.Sharksareatthetopofthefoodchain,____iftheirnumbersdrop,theocean

7、’secosystemwillbeindanger.whenso3.Manythinkthatsharksaretoostrongtobeendangered,_____theyarewrong.4._________therearenoscientificstudiestosupportthis,alotofpeoplebelievethatsharkfinsaregoodforhealth.5.Sharksmaydisappearoneday___wedonotdosomethingtostopthesaleofsharkfins.butAlthoughif

8、adj.科学上的，科学的