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1、Unit13We’retryingtosavetheearth!SectionA(3a-3b)一、教学目标：1.语言知识目标基本词汇：litter,fisherman,bin,shark,fin,cruel.harmful,chain,ecosystem,industry,law,scientific,afford,基本词组：beharmfulto,atthetop(ofsth.),takepartin,turnoff,takeaction,throwaway基本句型：We’retryingtosavetheearth!Th
2、eriverusedtobesocleanNoscientificstudieshaveshowedthatsharkfinsaregoodforhealth.Weshouldhelpsavethesharks.2.情感目标:befriendlytonature,callforpeoplenot’Finning’anymore.3.能力目标：usereadingskill（skimming，scanning，carefulreading）togetthemainidea.二、教学重难点：Howtocatchthemainid
3、eaofthepassageandhowtocallforpeopletoprotecttheendangeredanimals.三、教学用具：多媒体，小组比赛用品四、教学方法：Skimming,Scanning,carefulreading五、教学步骤:Step1Presentation（pre-reading）Picturetalking：展示鱼翅美味图片，人类残忍杀害鲨鱼及鲨鱼濒临灭绝的图片，谈论美味的鱼翅背后的残忍真相——鲨鱼濒临灭绝，让学生对本文有了背景知识的输入，预测本文内容，同时为下面的学习作好铺垫Step2S
4、kimmingReadthepassagequickly.Findoutwhatthemainideaofeachparagraphis?Paragraph1TakeactiontoprotectthesharksParagraph2SharksareendangeredParagraph3TalkaboutsharkfinsoupStep3Scanning(fastreading)Completethefactsheetin3a.Wheresharkfinsoupispopular Numberofsharkscaught
5、andtradedeveryyearHowmuchthenumbersofsomekindsofsharkshavefalleninthelast20to30yearsTwoenvironmentalgroupswhichareagainst“finning”Step4Intensive reading (carefulreading)把全班学生分成六组，以比赛积分的形式对三个段落进行carefulreading，以比赛的形式激发学生阅读的热情。1）ReadPara1.andanswer（播放第一段听力,加以听力的形式输入）
6、1.Issharkfinsoupfamousandexpensiveallaroundtheworld?2.Doyourealizethatyou’rekillingawholesharkwhenyouenjoyabowlofsharkfinsoup?拓展提升：Furtherthinking：Ifyourparentsordersharkfinsoup,whatshouldyoudoorsay?2）ReadPara2.andtell“T”or“F”1.Withoutafin,asharkcanstillswimandneve
7、rdies.2.Iftheirnumbersdroptoolow,itwillbringdangertoalloceanlife.3.Sharkswillneverbeendangeredbecausetheyarethestrongestintheirfoodchain.4.Thenumbersofsomekindsofsharkshavefallenbyover90percenteveryyear.3）ReadPara3.andanswer1.WhatareWildAidandtheWWFdoing?2.Whatelse
8、havetheydone?3.Havescientificstudiesshownthatsharkfinsaregoodforourhealth?Step5furtherreading.Guessbyreadingthecontext(语境)--beforeorafterthesente
