UNIT13 Section A.ppt

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1、Unit13Wearetryingtosavetheearth!SectionA3a-3b九年级(全)ObjectivesTolearnsomekeywordsandusefulexpressionsTolearnsomethingaboutendangeredanimals--sharks.Translation.1.甚至河底都满是垃圾。2.这个镇上的每个人都应该参与清扫。Eventhebottomoftheriverwasfullofrubbish.Everyoneinthistownshouldpl

2、ayapartincleaningitup.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.InevertakewoodenchopsticksorplasticforkswhenIbuytakeawayfood.我国是濒危动物分布大国。据不完全统计，仅列入《濒危野生动植物物种国际贸易公约》附录的原产于中国的濒危动物有120多种(指原产地在中国的物种)，列入《国家重点保护野生动物名录》的有257种，列入《中国濒危动

3、物红皮书》的鸟类、两栖爬行类和鱼类有400种，列入各省、我国有多少种濒危动物?Addtionalmaterials自治区、直辖市重点保护野生动物名录的还有成百上千种。随着经济的持续快速发展和生态环境的日益恶化，我国的濒危动物种类还会增加。改革开放以来，我国进口了不少动物，如湾鳄、暹罗鳄、食蟹猴、黑猩猩、非洲象等。至于我国究竟有多少种濒危动物很难说清。但可以肯定，如果包括无脊椎动物的话，至少有1000种。Animalsareourfriends.Welive(居住)inthesame(相同)smallwor

4、ld(世界).Toloveanimalsistoloveourselves(我们自己).1.Whatdoyouknowaboutshark(鲨鱼)?2.Doyouthinksharkscanbeendangered?Why?3.Whatdoyouthinkmightcauseafallinthenumberofsharks?Readthepassageaboutsharksandcompletethefactsheetbelow.3aManyhaveheardofsharkfinsoup.Thisfam

5、ousandexpensivedishisespeciallypopularinsouthernChina.Butdoyourealizethatyou’rekillingawholesharkeachtimeyouenjoyabowlofsharkfinsoup?Whenpeoplecatchsharks,theycutofftheirfinsandthrowthesharkbackintotheocean.Thisisnotonlycruel,butalsoharmfultotheenvironmen

6、t.Withoutafin,asharkcannolongerswimandslowlydies.Sharksareatthetopofthefoodchainintheocean’secosystem.Iftheirnumbersdroptoolow,itwillbringdangertoalloceanlife.Manybelievethatsharkscanneverbeendangeredbecausetheyarethestrongestintheirfoodchain.Butinfact,ar

7、ound70millionsharksarecaughtandtradedinthisindustryeveryyear.Thenumbersofsomekindsofsharkshavefallenbyover90percentinthelast20to30years.Environmentalprotectiongroupsaroundtheworld,suchasWildAidandtheWWF,areteachingthepublicabout“finning”.Theyhaveevenasked

8、governmentstodeveloplawstostopthesaleofsharkfins.Sofar,noscientificstudieshaveshownthatsharkfinsaregoodforhealth,sowhyeatthem?Helpsavethesharks!WheresharkfinsoupispopularNumberofsharkscaughtandtradedeveryyearHowmuch