人教版英语九年级全一册教案：Unit13SectionA（3a-4c）

Unit13SectionA3a-4c1.0Teachinganalysis1.1Teachingobjectives1.1.1Languagegoals1.1.1.1KeyWordsandChunks1.1.1.1.1Forapplying:cruel,harmful,beharmfulto,atthetopof,industry,law,scientific,takepartin,afford,turnoff,payfor,takeaction1.1.1.1.2Forcomprehending:shark,fin,chain,thefoodchain,ecosystem,reusable,transportation1.1.1.2SentenceStructures1)Manyhaveheardofsharkfinsoup.2)Butdoyourealizethatyou’rekillingawholesharkeachtimeyouenjoyabowlofsharkfinsoup?3)Thisisnotonlycruel,butalsoharmfultotheenvironment.4)Sharksareatthetopofthefoodchainintheocean’secosystem.5)Iftheirnumbersdroptoolow,itwillbringdangertoalloceanlife.6)Withoutafin,asharkcannolongerswimandslowlydies.7)Thenumbersofsomekindsofsharkshavefallenbyover90percentinthelast20to30years.8)Theyhaveevenaskedgovernmentstodeveloplawstostopthesaleofsharkfins.9)Sofar,noscientificstudieshaveshownthatsharkfinsaregoodforhealth,sowhyeatthem?10)Wecan’taffordtowaitanylongertotakeaction!1.1.1.3GrammarFocus1）Butdoyourealizethatyou’rekillingawholesharkeachtimeyouenjoyabowlofsharkfinsoup?(eachtime引导时间状语从句，意为“每当…”)2）Thisisnotonlycruel,butalsoharmfultotheenvironment.(notonly…butalso…连接两个并列成分，意为“不仅…而且…”)3）Sofar,noscientificstudieshaveshownthatsharkfinsaregoodforhealth,第1页sowhyeatthem?(sofar意为“到目前为止”，是现在完成时的标志)4）Withoutafin,asharkcannolongerswimandslowlydies.(nolonger意为“不再”，等于not…anylonger)1.1.2Abilitygoals1.1.2.1Toreviewthepresentperfecttenseandthepassivevoice.1.1.2.2ToenableSstolearnsomeofthekeywordsandexpressionsinthereadingpassage.1.1.2.3TocultivateSstoreadforspecificideasandthestructureofthepassage.1.1.3Emotionalgoals1.1.3.1TohelpSsunderstandthepresentsituationofsharks.1.1.3.2ToraiseSs’awarenessofprotectinganimals.1.2Importantanddifficultteachingpoints1.2.1EnableSstolearnandapplythesentencepatterns.1.2.2EnableSstoknowthesharksareindanger.1.2.3GuideSstohelpsavethesharks.2.0Studentanalysis2.1FundamentalState通过本单元第一课时的学习，学生基本上激活了已有的语言知识，对本单元的话题（pollutionandenvironmentalprotection）已经有所感知，对于environmentalproblems,howtosolveairpollution,howtosolvewastepollution等内容有了更深入的学习。本课时从环境污染过渡到动物保护，加深学生环境保护的意识。环境保护的意识。2.2KnowledgeReserve第一课时的学习，围绕单元话题pollutionandenvironmentalprotection，让学生的知识得到了扩展，丰富了环境保护话题下的语言输入内容，提出了具体的环保措施，为本课时保护动物话题积累了语言基础。2.3Classdata本班学生有比较明确的学习目的，能够在小组活动中互相帮助，积极与他人合作，敢于用英语进行表达。本课时的阅读文段Savethesharks！这个关于动物的话题是第2页学生比较感兴趣的内容，但是部分词汇，如foodchain,ecosystem,industry和个别句型结构较为复杂，学生理解上应该有一定的难度。教师可结合课堂实际情况，指导鼓励学生小组学习，讨论认知新的复杂的语言结构，扫清阅读障碍。学习，讨论认知新的复杂的语言结构，扫清阅读障碍。3.0Teachingmethods3.1thematicteachingmethod主题教学法3.2Self-directedlearningmethod自主学习法3.3Discussionmethod讨论法4.0blackboardandchalk,computer,projector,movie5.0Teachingprocedures5.1Leading-inandwarming-up5.1.1Inordertoleadinthemaintopic,TcangetSstowatchashortvideo.Thenask:Q1.Whydopeoplecatchsharks?Q2.Whatwillhappenifsharksdon’thavetheirfins?Q3.Whatdoyouthinkoftheaction?5.1.2GuideSstohaveafreetalkingroupsandsharetheirideaswitheachother.5.2ReadingPractice5.2.1Pre-reading读前导入5.2.1.1Presentsomepicturesandlearnthenewwordsandexpressions.5.2.1.2AskSssomequestionstoseehowmuchtheyknowaboutthesharks.1.Doyouknowsharksareendangered?2.Whydoyouthinktheyareendangered?3.Wheredosharkslive?4.Aretheyallverybig?5.Whatdotheyeat?6.Isthenumberofsharksdecreasing(减少7.Whydopeoplecatchthem?)?第3页5.2.2While-reading读中5.2.2.1理解AskSstoskimthepassageandfindoutthemainideaforeachparagraph.Para1You’rekillingawholesharkwhenyouenjoyabowlofsharkfinsoup.Para2Badthingshappenwhenpeoplecutoffsharks’fins.Para3Environmentalprotectiongroupshavedonethingstoprotectsharks.5.2.2.2AskSstoscanthepassageandcompletethefactsheet.Answers:1.insouthernChina2.around70million3.over90percent4.WildAidandtheWWF5.2.2.3GuideSstoscanthepassageandthenfinish3b,fillintheblankswiththewordsinthebox.Answers:1.when2.so3.but4.Although5.if5.2.2.4GetSstolistentotherecordingandreadalongwithitatthesametime.Whilereading,let’spayenoughattentiontothepauses,thepronunciationandtheintonationofthenativereader.5.2.3Post-reading读后提升5.2.3.1GuideSstoreadthesecondandthethirdparagraphsandfillintheblanksinordertohelpmemorizethedetails.第4页Answers:1.cutoff2.throw3.back4.swim5.dies6.drop7.bring8.areteaching9.todeveloplaws5.3Newpointsinterpretation5.3.1DiscoveringchunksGetSstoreadthetextonceagain,thistime,andunderlinealltheusefulchunksinit.1)Manyhaveheardofsharkfinsoup.2)Butdoyourealizethatyou’rekillingawholesharkeachtimeyouenjoyabowlofsharkfinsoup?3)Whenpeoplecatchsharks,theycutofftheirfinsadthrowthesharkbackintotheocean.4)Thisisnotonlycruel,butalsoharmfultotheenvironment.5)Sharksareatthetopofthefoodchainintheocean’theocean’secosystem.6)Iftheirnumbersdroptoolow,itwillbringdangertoalloceanlife.7)Withoutafin,asharkcannolongerswimandslowlydies.8)Infact,around70millionsharksarecaughtandtradedinthisindustryeveryyear.9)Thenumbersofsomekindsofsharkshavefallenbyover90percentinthelast20to30years.10)Theyhaveevenaskedgovernmentstodeveloplawstostopthesaleofsharkfins.11)Sofar,noscientificstudieshaveshownthatsharkfinsaregoodforhealth,sowhyeatthem?第5页5.3.2Analyzingchunks5.3.2.1Thisisnotonlycruel,butalsoharmfultotheenvironment.notonly…butalso…表示“不仅……而且”,用于连接两个性质相同的词或短语。在使用notonly…butalso…时还应注意以下几点：1.该结构中的also有时可以省略。2.当notonly…butalso连接两个主语时，谓语动词的数原则上与其相近的主语保持一致。3.为了强调，可将notonly置于句首，此时其后的句子通常要用部分倒装的形式。5.3.2.2.Withoutafin,asharkcannolongerswimandslowlydies.辨析：nolonger，nomore1.nolonger中的longer是副词的比较级，long有afteracertainpointoflong在某一时刻以后之意，着重表示时间的不再延续，意为“如今不再”nolonger。time()=not...anylonger。中的more是many/much的比较级，more有again之意，着重)”nomore=not...2.nomore表示数量或程度的减少，意为“再也没有更多(大的数量程度)。(anymore。5.3.3UsingchunksGuideSstoknowthemeaningsofthefollowingsentencesandmakesimilarnewsentencesoftheirown.AndgetsomeSstosharetheiroriginalsentences.5.3.3.1Sofar,noscientificstudieshaveshownthatsharkfinsaregoodforhealth,sowhyeatthem?(P99)【原句翻译】_____________________________________________________________________【仿写造句】sofar__________________________________________________________________5.3.3.2Thisisnotonlycruel,butalsoharmfultotheenvironment.(P99)【原句翻译】_____________________________________________________________________第6页【仿写造句】notonly…butalso…______________________________________________________________________5.3.3.3Withoutafin,asharkcannolongerswimandslowlydies.(P99)【原句翻译】_____________________________________________________________________【仿写造句】nolonger_________________________________________________________________5.4PracticeandConsolidation1.你听说过那个故事事吗？吗？Haveyouever_________________tha