2024年人教版九年级英语下册Unit 13 Section A-3课件.pptVIP

Unit13

Wearetryingtosavetheearth!;shark

fin

cruel

harmful

beharmfulto

atthetopof

chain

thefoodchain

ecosystem

industry

law

scientific;Objectives;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《中国濒危动物红皮书》的鸟

类、两栖爬行类和鱼类有400种，列入各省、;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。;Readthepassageaboutsharks

andcompletethefactsheetbelow.;Manyhaveheardofsharkfinsoup.This

famousandexpensivedishisespecially

popularinsouthernChina.Butdoyourealize

thatyou’rekillingawholesharkeachtime

youenjoyabowlofsharkfinsoup?

Whenpeoplecatchsharks,theycutofftheir

finsandthrowthesharkbackintotheocean.

Thisisnotonlycruel,butalsoharmfultothe

environment.;Withoutafin,asharkcannolongerswimandslowlydies.Sharksareatthetopofthefoodchainintheocean’secosystem.Iftheirnumbersdroptoolow,itwillbringdangertoalloceanlife.Manybelievethatsharkscanneverbeendangeredbecausetheyarethestrongestintheirfoodchain.;Butinfact,around70millionsharksarecaughtandtradedinthisindustryeveryyear.Thenumbersofsomekindsofsharkshavefallenbyover90percentinthelast20to30years.

;Environmentalprotectiongroupsaroundtheworld,suchasWildAidandtheWWF,areteachingthepublicabout“finning”.Theyhaveevenaskedgovernmentstodeveloplawstostopthesaleofsharkfins.Sofar,noscientificstudieshaveshownthatsharkfinsaregoodforhealth,sowhyeatthem?Helpsavethesharks!;70million;Letsdothistoreviewthetext!!!;Let’slearnsome

;harmful形容词，意为“有害的”。常构成短语

beharmfulto“对……有害的”。

Stayingupoftenisharmfultoyourhealth.经常熬夜对你的健康有害。

【拓展】

harm名词，意为“害处”。常用于构成短语

doharmto“对……有害”，相当于beharmfulto.

Toomuchsmokingdoesharmtohishealth.=Toomuchsmokingisharmful