英语人教版九年级全册unit 13 section a period two .ppt

Unit13We retryingtosavetheearth SectionAPeriodTwo Objectives TolearnsomekeywordsandusefulexpressionsTolearnsomethingaboutendangeredanimals sharks 前置学习 确定目标 Let sprotecttheendangeredanimals Words shark fin cruel thefoodchain ecosystem industry law Phrases nolonger beharmfulto atthetopof 前置学习 自主学习暴露问题 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 smallworld 世界 Toloveanimalsistoloveourselves 我们自己 Beforeyouread 1 Lookatthephoto thequestionsin3aandthetitletothestoryonpage99 Thenanswerthequestionsbelow Whocanyouseeinthepicture Whatdoesthepassagemaytalkabout 1 Ashark 2 Itmaytalkaboutthesharks 探究学习 小组探究合作学习 Readthetitle thefirstandlastsentencesineachparagraphsandmatchthemainideas Talkaboutsharkfinsoup Sharksareendangerednow Appealtopeopleagainsteatingsharkfins Para 3Para 1Para 2 Whileyouread 2 ReadParagraph1andjudgethesentences Shark sfin 鱼鳍 soupisfamousandexpensiveallaroundtheworld You rekillingawholesharkwhenyouenjoyabowlofshark sfinsoup F T 探究学习 班级探究合作学习 ReadParagraph2andfillinthechart peopleenjoy fishermen then decreasedquickly abowlofsharkfinsoup catchsharks cuttheirfins throwthemintotheocean Thenumbersofsomekindofsharks ReadParagraph3andjudgethesentences WildAidandtheWWFareenvironmentalprotectiongroupsinChina Twoenvironmentalgroupsappealtoestablishlawstostopsalesharkfins Shark sfinsaregoodforhealth F T F 探究学习 班级探究合作学习 Readthepassageaboutsharksandcompletethefactsheetbelow 3a southernChina 70million over90percent WildAid theWWF 探究学习 班级探究合作学习 1 Manypeopledonotrealizetheyarekillingawholeshark theyenjoyabowlofsharkfinsoup 2 Sharksareatthetopofthefoodchain iftheirnumbersdrop theocean secosystemwillbeindanger 3 Manythinkthatsharksaretoostrongtobeendangered theyarewrong 4 therearenoscientificstudiestosupportthis alotofpeoplebelievethatsharkfinsaregoodforhealth 5 Sharksmaydisappearoneday wedonotdosomethingtostopthesaleofsharkfins when so but Although if Readthepassageagainandfillintheblankswiththewordsinthebox 3b 3 Afteryouread Retellthepassageaccordingtothewordsbelow shark sfinsoup insouthernChina eachtime cutoff nolonger notonly butalso atthetop drop beendangered thestrongest around70million fallen byover90percent WildAidandtheWWF developlaws scientificstudies 探究学习 班级探究合作学习 Aboutthepassage Yourideasanddifficulties 探究学习 班级探究合作学习 SavetheSharks Manyhaveheardofsharkfinsoup ThisfamousandexpensivedishisespeciallypopularinsouthernandChina Butdoyourealizethatyou rekillingawholesharkeachtimeyouenjoyabowlofsharkfinsoup Whenpeoplecatchsharks theycutofftheirfinsandthrowthesharkbackintotheocean Thisisnotonlycruel butalsoharmfultotheenvironment Withoutafin asharkcannolongerswimandslowlydies Sharksareatthetopofthefoodchainintheocean secosystem Iftheirnumbersdroptoolow itwillbringdangertoalloceanlife Manybelievethatsharkscanneverbeendangeredbecausetheyarethestrongestintheirfoodchain Butinfact around70millionsharksarecaughtandtradedinthisindustryeveryyear Thenumbersofsomekindsofsharkshavefallenbyover90percentinthelast20to30years Environmentalprotectiongroupsaroundtheworld suchasWildAidandtheWWF areteachingthepublicabout finning Theyhaveevenaskedgovernmentstodeveloplawstostopthesaleofsharkfins Sofar noscientificstudieshaveshownthatsharkfinsaregoodforhealth sowhyeatthem Helpsavethesharks Translateandwritethemdown 甚至是河底都满是垃圾 2 这个方法不仅残酷还对环境有害 3 鲨鱼处于海洋食物链的顶部 Eventhebottomoftheriverwasfullofrubbish Thisisnotonlycruel butalsoharmfultotheenvironment Sharksareatthetopofthefoodchainintheocean secosystem 巩固学习 巩固检测提升学习 Checkifyouknowthesephrases 1 把垃圾扔到河里2 在 中起作用3 在中国南部4 对 有害5 在 顶部6 海洋生态系统 throwtherubbishintotheriver playapartin insouthernChina beharmf