人教版英語(yǔ)九年級(jí)全一冊(cè)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引導(dǎo)時(shí)間狀語(yǔ)從句，意為“每當(dāng)…”)2）Thisisnotonlycruel,butalsoharmfultotheenvironment.(notonly…butalso…連接兩個(gè)并列成分，意為“不僅…而且…”)3）Sofar,noscientificstudieshaveshownthatsharkfinsaregoodforhealth,第1頁(yè)sowhyeatthem?(sofar意為“到目前為止”，是現(xiàn)在完成時(shí)的標(biāo)志)4）Withoutafin,asharkcannolongerswimandslowlydies.(nolonger意為“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通過(guò)本單元第一課時(shí)的學(xué)習(xí)，學(xué)生基本上激活了已有的語(yǔ)言知識(shí)，對(duì)本單元的話題（pollutionandenvironmentalprotection）已經(jīng)有所感知，對(duì)于environmentalproblems,howtosolveairpollution,howtosolvewastepollution等內(nèi)容有了更深入的學(xué)習(xí)。本課時(shí)從環(huán)境污染過(guò)渡到動(dòng)物保護(hù)，加深學(xué)生環(huán)境保護(hù)的意識(shí)。環(huán)境保護(hù)的意識(shí)。2.2KnowledgeReserve第一課時(shí)的學(xué)習(xí)，圍繞單元話題pollutionandenvironmentalprotection，讓學(xué)生的知識(shí)得到了擴(kuò)展，豐富了環(huán)境保護(hù)話題下的語(yǔ)言輸入內(nèi)容，提出了具體的環(huán)保措施，為本課時(shí)保護(hù)動(dòng)物話題積累了語(yǔ)言基礎(chǔ)。2.3Classdata本班學(xué)生有比較明確的學(xué)習(xí)目的，能夠在小組活動(dòng)中互相幫助，積極與他人合作，敢于用英語(yǔ)進(jìn)行表達(dá)。本課時(shí)的閱讀文段Savethesharks！這個(gè)關(guān)于動(dòng)物的話題是第2頁(yè)學(xué)生比較感興趣的內(nèi)容，但是部分詞匯，如foodchain,ecosystem,industry和個(gè)別句型結(jié)構(gòu)較為復(fù)雜，學(xué)生理解上應(yīng)該有一定的難度。教師可結(jié)合課堂實(shí)際情況，指導(dǎo)鼓勵(lì)學(xué)生小組學(xué)習(xí)，討論認(rèn)知新的復(fù)雜的語(yǔ)言結(jié)構(gòu)，掃清閱讀障礙。學(xué)習(xí)，討論認(rèn)知新的復(fù)雜的語(yǔ)言結(jié)構(gòu)，掃清閱讀障礙。3.0Teachingmethods3.1thematicteachingmethod主題教學(xué)法3.2Self-directedlearningmethod自主學(xué)習(xí)法3.3Discussionmethod討論法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讀前導(dǎo)入5.2.1.1Presentsomepicturesandlearnthenewwordsandexpressions.5.2.1.2AskSssomequestionstoseehowmuchtheyknowaboutthesharks.1.Doyouknowsharksareendangered?2.Whydoyouthinktheyareendangered?3.Wheredosharkslive?4.Aretheyallverybig?5.Whatdotheyeat?6.Isthenumberofsharksdecreasing(減少7.Whydopeoplecatchthem?)?第3頁(yè)5.2.2While-reading讀中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讀后提升5.2.3.1GuideSstoreadthesecondandthethirdparagraphsandfillintheblanksinordertohelpmemorizethedetails.第4頁(yè)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頁(yè)5.3.2Analyzingchunks5.3.2.1Thisisnotonlycruel,butalsoharmfultotheenvironment.notonly…butalso…表示“不僅……而且”,用于連接兩個(gè)性質(zhì)相同的詞或短語(yǔ)。在使用notonly…butalso…時(shí)還應(yīng)注意以下幾點(diǎn)：1.該結(jié)構(gòu)中的also有時(shí)可以省略。2.當(dāng)notonly…butalso連接兩個(gè)主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞的數(shù)原則上與其相近的主語(yǔ)保持一致。3.為了強(qiáng)調(diào)，可將notonly置于句首，此時(shí)其后的句子通常要用部分倒裝的形式。5.3.2.2.Withoutafin,asharkcannolongerswimandslowlydies.辨析：nolonger，nomore1.nolonger中的longer是副詞的比較級(jí)，long有afteracertainpointoflong在某一時(shí)刻以后之意，著重表示時(shí)間的不再延續(xù)，意為“如今不再”nolonger。time()=not...anylonger。中的more是many/much的比較級(jí)，more有again之意，著重)”nomore=not...2.nomore表示數(shù)量或程度的減少，意為“再也沒(méi)有更多(大的數(shù)量程度)。(anymore。5.3.3UsingchunksGuideSstoknowthemeaningsofthefollowingsentencesandmakesimilarnewsentencesoftheirown.AndgetsomeSstosharetheiroriginalsentences.5.3.3.1Sofar,noscientificstudieshaveshownthatsharkfinsaregoodforhealth,sowhyeatthem?(P99)【原句翻譯】_____________________________________________________________________【仿寫(xiě)造句】sofar__________________________________________________________________5.3.3.2Thisisnotonlycruel,butalsoharmfultotheenvironment.(P99)【原句翻譯】_____________________________________________________________________第6頁(yè)【仿寫(xiě)造句】notonly…butalso…______________________________________________________________________5.3.3.3Withoutafin,asharkcannolongerswimandslowlydies.(P99)【原句翻譯】_____________________________________________________________________【仿寫(xiě)造句】nolonger_________________________________________________________________5.4PracticeandConsolidation1.你聽(tīng)說(shuō)過(guò)那個(gè)故事事嗎？嗎？Haveyouever_________________tha