英语人教版九年级全册Unit 13 Section A 3a-3b.ppt

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1、Unit13Wearetryingtosavetheearth!SectionA3a-3b九年级(全)学习目标TolearnsomekeywordsandusefulexpressionsTolearnsomethingaboutendangeredanimals--sharks.sharkfincruelharmfulbeharmfultoatthetopofchainthefoodchainecosystemindustrylawscientificn.鲨鱼n.（鱼）鳍adj.残酷的；残忍的adj.有害的对......有害的在

2、......顶部或顶端n.链子；链条食物链n.生态系统n.工业；行业n.法律；法规adj.科学上的；科学的WordsReview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、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

3、恶化，我国的濒危动物种类还会增加。Therearesomeanimalsareendangered.Weshoulddosomethingtoprotecttheanimalsandtheenvironment!Savetheearth!Savetheanimals!Haveyoueverseenashark（鲨鱼）?Readthepassagequickly.Findoutwhatthemainideaofeachparagraphis?Paragraph1Twogroupsagainst“finning”Paragraph2

4、SomethingaboutsharkfinsoupParagraph3SharksareendangeredSkimmingSharksareendangered,readthepassageandjudgethesentences.Readthefirstparagraph1.Shark’sfin（鱼鳍）soupisfamousandexpensiveallaroundtheworld.2.Wehavetokillawholesharktogetabowlofshark’sfinsoup.×√ScanningReadthese

5、condparagraph1.Peoplecutoffsharks’finsandthrowthesharksbackintotheocean.2.Sharksareinthebottomofthefoodchainintheocean’secosystem.√×n.生态系统食物链Readthethirdparagraph1.WildAidandtheWWFareenvironmentalprotectiongroupsinChina.2.Shark’sfinsaregoodforhealth.××Wheresharkfinsou

6、pispopularNumberofsharkscaughtandtradedeveryyearHowmuchthenumbersofsomekindsofsharkshavefalleninthelast20to30yearsTwoenvironmentalgroupswhichareagainst“finning”southernChina70millionover90percentWildAidandtheWWF3aReadthepassageaboutsharksandcompletethefactsheetbelow.3

7、bReadthepassageagainandfillintheblankswiththewordsinthebox.soalthoughifbutwhenManypeopledonotrealizetheyarekillingawholeshark______theyenjoyabowlofsharkfinsoup.2.Sharksareatthetopofthefoodchain,____iftheirnumbersdrop,theocean’secosystemwillbeindanger.whenso3.Manythink

8、thatsharksaretoostrongtobeendangered,_____theyarewrong.4._________therearenoscientificstudiestosupportthis,alotofpeoplebelie