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

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1、Unit13SectionA(3a)theocean’secosystemfoodchainatthetopof.sharksfinsfinning鱼翅，就是鲨鱼鳍中的细丝状软骨，形似粉丝,取材于鲨鱼的背鳍、胸鳍、尾鳍。鱼翅价格昂贵，在高档酒店，每份鱼翅羹(sharkfinsoup)约800-1500元人民币。鱼翅本身并没有什么味道，烹制时要用许多调味品给鱼翅赋味。sharkfinsoupcruelharmful(adj.)beharmfultoharm(v.)industryWhyshouldwesavethesharks?Whathavewedonetosavethesharks?Tas

2、k1:Let’ssavethesharks.WheresharkfinsoupispopularNumberofsharkscaughtandtradedeveryyearHowmuchthenumbersofsomekindsofsharkshavefalleninthelast20to30yearsTwoenvironmentalgroupsagainst”finning”InsouthernChina70millionOver90%WildAidandtheWWFTask2:Task3:1.听说2.鱼翅汤3.名贵的菜4.每次Para1：Para2：1.割掉2.把……扔回到……里面3.不

3、但……而且……4.对……有害5.在......顶部6.不再……7.在海洋生态系统中8.给……带来危险9.实际上10.……的数量11.降低了12.在过去的20到30年当中Para3：1.环境保护组织2.例如3.教给某人关于……4.颁布法律5.到目前为止6.对……有好处7.阻止鱼翅的售卖hearofsharkfinsoupfamousandexpensivedisheachtimecutoffthrow…backintonotonly…butalsobeharmfultoatthetopofnolongerintheocean’secosystembringdangertoinfactthenu

4、mberoffallbyinthelast20to30yearsenvironmentalprotectiongroupssuchasteachsb.aboutdeveloplawssofarbegoodforstopthesaleofsharkfinsSavethesharks!Itisnotonly…,butalso…tothe…Withoutafin,asharkcan…swimand…Sharksareatthetopofthe…intheocean’s….Iftheirnumbers…toolow,itwillbring…toalloceanlife.Around…millions

5、harksarecaughtand…Whenpeoplecatch…,they…theirfinsand…thesharkbackintothe...Proposing(提出)Analyzing(分析)Solving(解决)Environmentalprotectiongroupsare…thepublicabout...Theyhaveaskedthe…todevelop…tostopthe…ofsharkfins.Task4:1.Manypeopledonotrealizetheyarekillingawholeshark______theyenjoyabowlofsharkfinsou

6、p.2.Sharksareatthetopofthefoodchain,_______iftheirnumbersdrop,theocean’secosystemwillbeindanger.3.Manythinkthatsharksaretoostrongtobeendangered,__________buttheyarewrong.4._________therearenoscientificstudiestosupportthis,alotofpeoplebelievethatsharkfinsaregoodforhealth.5.Sharksmaydisappearoneday__

7、________wedonotdosomethingtostopthesaleofthesharkfins.Task5:whensobutAlthoughifProposing(提出)Analyzing(分析)Solving(解决)Aproposal(倡议书).Proposing(提出)Savethetigers!Analyzing(分析)Solving(解决)Peoplearekillingtigersfo