英语人教版九年级全册unit 13 Section A3a-3b.ppt

Unit13We retryingtosavetheearth SectionA3a 3b Revision pollution airpollution waterpollution landpollution noisepollution wastepollution closedownthefactories helptocleanuptheriver takethebusorsubway rideabike bringabagtogoshopping throwrubbishinthebins don tusewoodenchopsticksorplasticforksdon tuseplasticbags solutions Whatdoyouknowaboutsharks thefoodchain食物链atthetopof在 顶端ocean secosystem海洋生态系统 Althoughsharksareatthetopofthefoodchain people theirfinsandeat cutoff 把 砍下 sharkfinsoup鱼翅汤 Sotheirnumbersdropverylow andbecome endangered adj 濒临灭绝的 Solet shelpsavethesharks Readthetitle thefirstandlastsentencesineachparagraphsandmatchthemainideas Talkaboutsharkfinsoup Sharksareendangerednow Appeal 呼吁 topeopleagainsteatingsharkfins Para 3Para 1Para 2 insouthernChina around70million todeveloplawstostopthesaleofsharkfins WildAidandtheWWF 3a Readthepassageaboutsharksandcompletethefactsheetbelow ReadParagraph2carefullyandanswerthefollowingquestions 1 Ifasharkdoesn thaveafin whatwillhappen 2 Ifsharks numbersdroptoolow whatwillhappen 3 Whyaresharksendangerednow Ifasharkdoesn thaveafin whatwillhappen Asharkcannolongerswimandslowlydies Ifsharks numbersdroptoolow whatwillhappen Itwillbringdangertoalloceanlife Whyaresharksendangerednow Around70millionsharksarecaughtandtradedinthisindustryeveryyear Thenumbersofsomekindsofsharkshavefallenbyover90percentinthelast20to30years 1 Manypeopledonotrealizetheyarekillingawholeshark theyenjoyabowlofshark sfinsoup 2 Sharksareatthetopofthefoodchain iftheirnumbersdrop theocean secosystemwillbeindanger Readthepassageagainandfillintheblankswiththewordsinthebox so when 3b Manythinkthatsharksaretoostrongtobeendangered theyarewrong therearenoscientificstudiestosupportthis alotofpeoplebelievethatsharkfinsaregoodforhealth 5 Sharksmaydisappearoneday wedonotdosomethingtostopthesaleofsharkfins but Although If Manyhaveheardofsharkfinsoup ThisfamousandexpensivedishisespeciallypopularinsouthernChina Butdoyourealizethatyou rekillingawholesharkeachtimeyouenjoyabowlofsharkfinsoup ReadParagraph1andlearnit PointsinPara1hearof hearabout听说hear heard heard2 insouthernChina inthesouthofChina在中国南部地区3 eachtime每当 Whenpeoplecatchsharks theycutofftheirfinsandthrowthesharkbackintotheocean Thisisnotonlycruel butalsoharmfultotheenvironment Withoutafin asharkcannolongerswimandslowlydies Sharksareatthetopofthefoodchainintheocean secosystem Iftheirnumbersdroptoolow itwillbringdangertoalloceanlife Manybelievethatsharkscanneverbeendangeredbecausetheyarethestrongestintheirfoodchain Butinfact around70millionsharksarecaughtandtradedinthisindustryeveryyear Thenumbersofsomekindsofsharkshavefallenbyover90percentinthelast20to30years PointsinPara24 cutoff切掉5 notonly butalso不仅 而且6 beharmfulto bebadfor 对 有害7 withoutafin没有了鳍8 atthetopof 在 的顶部9 infact实际上10 thenumberof 的数量11 over90percent超过百分之九十12 inthelast20to30years在过去的20到30年里 用现在完成时 Environmentalprotectiongroupsaroundtheworld suchasWildAidandtheWWF areteachingthepublicabout finning Theyhaveevenaskedgovernmentstodeveloplawstostopthesaleofshark sfins Sofar noscientificstudieshaveshownthatshark sfinsaregoodforhealth sowhyeatthem Helpsavethesharks PointsinPara313 environment environmentalenvironmentalprotectiongroups环保组织14 suchas例如15 developlawstostopthesaleofsharkfins完善法律来组织预鱼鳍的销售16 sofar到目前为止 用现在完成时 17 scientificstudies科学研究 Savethesharks bekilledforsharkfinsoup Why How catch cutoff throwbackinto Results cannolongerswim slowlydie beharmfultotheenvironment bringdangertoalloceanlife H