英语人教版九年级全册unit 13 A 3a-3b.ppt

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1、SectionA3a-3bUnit13We'retryingtosavetheearth!正努力学习目标一.知识目标:1.words:cruelecosystemindustrylawscientific2.phrases:beharmfultoinsouthernChinaenvironmentalprotectiongroupshearofnolongernotonly…butalso…inthelast20to30years3Grammar:复习现在完成时一般现在时等时态althoughbutso等连词的正确使用。二.技能目标

2、：1.能应运浏览式阅读策略（skimming)匹配段落大意。2能应用查读阅读策略（scanning)判断正误。cruelharmfulecosystemindustrylawscientific残酷的，残忍的有害的生态系统工业，行业法律，法规科学上的，科学beharmfultoinsouthernChinaEnvironmentalprotectiongroupshearofnolongernotonly…butalso…inthelast20to30years对…有害在中国南部环境保护组织听说不再不但…而且…在最近的20到30年R

3、evisionwhatareyourideas对于解决这些问题?forsolvingtheseproblems?Therearemanydifferentkindsofpollution._________________________Theearthisbadlypolluted.Savetheearth!Savetheanimals!sharksharkfinSharkfinsoupWhatisthefiercestanimalintheocean?Whatisthemostexpensivepartofashark?凶猛的s

4、hark鲨鱼Manypeoplethinkthatsharksaretoostrongtobeendangered,buttheyarewrong.Thesharksareendangered!SavetheSharks!MatchReadthepassagequicklyPara.1A.Twogroupsagainst“finning”.Para.2B.Somethingaboutsharkfinsoup.Para.3C.Sharksareendangerednow.鳍1.Whereissharkfinsouppopular?2.

5、Whatdoesitmeanwhenpeopleenjoyabowlofsharkfinsoup?InsouthernChinaThey’rekillingawholesharkwhentheyenjoyabowlofsharkfinsoup.sharkfinsoupReadthefirstparagraphReadthesecondparagraph1.Peoplecutoffsharks’finsandthrowthesharksbackintotheocean.2.Sharksareinthebottomofthefoodch

6、ainintheocean’secosystem.TFn.生态系统食物链3.Whatdothetwonumbersmean?70million90percentNumberofsharkscaughtandtradedeveryyearThenumbersofsomekindsofsharkshavefallenby2.Whatare?thetwoenvironmentalprotectiongroupsIsthesharktheonlyanimalthatisendangered?3.Theyare________(teach)t

7、hepublicabout“finning”,theyhaveeveraskedgovernmentsto___________.(出台法律阻止鱼翅买卖)WildAidandtheWWF1.AreShark’sfinsgoodforhealth?No,theyaren’tReadthethirdparagraphteachingdeveloplawstostopthesaleofsharkfins1.Thismethodisnotonlycruel,________harmfultotheenvironment.2.Withouta

8、fin,asharkcan_________(不再）swimandslowlydies.3Sharksareatthetopofthefoodchaininthe________（海洋）ecosystem.4.Iftheirnumbe