高中英語(yǔ)-How-Life-Began-On-The-Earth教學(xué)設(shè)計(jì)學(xué)情分析教材分析課后反思

必修三Unit4"HowLifeBeganOnTheEarth"教學(xué)設(shè)計(jì)TeachingAims：Todevelopthestudents’readingabilityTolearnsomethingaboutastronomyToarousethestudents’strongemotionof“Protectingourearth”Teachingaid:AcomputerwithInternet&thenetworkcoursewareTeachingprocedure:Step1preparationbeforeclass&leadinTogetthestudentsfamiliarwiththeknowledgeabouthowtheearthcameintoexistenceandhowlifebegan.Therearethreedifferentopinionsonthispoint.OneisfromChinesefairytalethatPanguseparatedtheheavenfromtheearthandnvwamadethehumanbeings,anotherisareligiousideafromwesternerswhichholdsthatit'sGodwhocreatedtheworld,thethirdisthescientifictheoryabout"BigBang"andtheevolutionoflifefromsimplethings.Inthisnetworkcourseware,Idesignedthepartcalled"KnowledgeBackground"(背景知識(shí))。Itintroducesthecurrentastronomyinformationathomeandabroad,aswellasavideowhichcanhelpstudentsestablishascientificoutlookonthetopicofthisunit.Thencomesthe"lead-inpart".I'llbeginthelessonwithanothersplendidvideo.It'llsurelyarousethestudents'interestin"Wherearewefrom?""Howlifebeganontheearth?".Step2ReadingThissectionisthemostimportantoneinthislesson.Here,Idividedtheactivityintothreeparts,including"Skimming""Detailedreading""Athirdreading".Wecanclickcorrespondingitemtobrowsethewebpageandcompletethetasksonit.Activity1:Skimthepassageandmatchthemainideawitheachparagraph.Activity2:Readthetextcarefully,andputthefollowingwordsincorrectorder.Activity3:Readagaintogetmoredetailedinformationandanswertherequiredquestions.Whatintheprocessdoyouthinkisthemostimportant?Why?(Showyourownopinions)Whatisthedifferencebetweenreptilesandmammals?Whatproblemiscausedbyhumanbeings?Withthehelpof"Thecontentofthetext"(課文內(nèi)容)inthecourseware,thestudentscanfullyunderstandthecontentofthistext.Theycanalsotraintheirlisteningwhentimeavailable.Step3DiscussionAimingat"howtosolvetheproblemcausedbyhumanbeings",thestudentsshouldholdadiscussion.Thewholeclasscanbedividedintoseveralgroupstofinishthetaskthroughco-operationalwork.Theyshouldbeencouragedtodelivertheirownopinions.Step4Homework1、Workingroupstofinishacompletereportonhowtolivea“l(fā)owcarbon”life;2、Trytoretellthewholeprocess,usethefollowingconnectors.However,afterthat,next,later,finally,thus,asaresultofthisApartfromthehomeworkabove,IdesignedtheExtracurricularpracticesandreadingmaterialsintheware.Thestudentscanbrowsethewebpagestofinishthemandcheckanswersbythemselves.學(xué)情分析“HowLifeBeganOnTheEarth”這一話(huà)題雖然有趣，但本文的文體屬于科普類(lèi)說(shuō)明文，內(nèi)容抽象，用詞多專(zhuān)業(yè)術(shù)語(yǔ)，閱讀本文對(duì)高一學(xué)生來(lái)說(shuō)有一定的難度。不過(guò)本文以時(shí)間為線(xiàn)索，使得學(xué)生較易讀懂本文的內(nèi)容；通過(guò)課前對(duì)本單元背景知識(shí)的準(zhǔn)備和預(yù)習(xí)，學(xué)生已經(jīng)對(duì)本單元重要的單詞、短語(yǔ)有了初步的了解和記憶；學(xué)生語(yǔ)言綜合運(yùn)用能力不是很好，需要給與一定的語(yǔ)言指導(dǎo)和幫助；通過(guò)對(duì)本文的閱讀，學(xué)生不僅可以了解地球上生命的起源以及發(fā)展過(guò)程，還可以掌握一些相關(guān)的語(yǔ)言知識(shí)。效果分析本節(jié)課主要圍繞“HowLifeBeganOnTheEarth”這一主題展開(kāi)教學(xué)活動(dòng)。通過(guò)學(xué)生”課前課中課后”多種多樣的閱讀活動(dòng)，讓學(xué)生在理解掌握地球的形成、生命的進(jìn)化，實(shí)現(xiàn)了本節(jié)課的知識(shí)目標(biāo)，提高了學(xué)生的閱讀理解能力，激發(fā)學(xué)生“保護(hù)地球”意識(shí)情感。學(xué)生在各項(xiàng)學(xué)習(xí)活動(dòng)中參與度高，態(tài)度積極，愿意學(xué)習(xí)，對(duì)課堂學(xué)習(xí)內(nèi)容把握到位。尤其是在小組活動(dòng)中，每位成員都表現(xiàn)積極，能初步運(yùn)用英語(yǔ)交流，達(dá)到語(yǔ)言學(xué)習(xí)課的最終目的——運(yùn)用英語(yǔ)思考的能力。教材分析本單元的中心話(huà)題是“天文學(xué)”，內(nèi)容涉及太陽(yáng)系、地球上的生命起源、宇宙大爆炸、月球探秘、黑洞效應(yīng)等，主要內(nèi)容圍繞地球上生命的起源展開(kāi)的。本話(huà)題緊扣時(shí)代主題，能激發(fā)青少年崇尚科學(xué)、探索未知、敢于創(chuàng)新的熱情，本次閱讀課“HowLifeBeganOnTheEarth”通過(guò)對(duì)宇宙大爆炸理論進(jìn)行科學(xué)性分析，推斷出地球上生命的由來(lái)以及生物進(jìn)化的過(guò)程。這篇文章共有5個(gè)自然段，按照時(shí)間的先后順序一一展現(xiàn)了地球形成以及生命進(jìn)化的各個(gè)階段，文章篇幅較長(zhǎng)，理解起來(lái)不很容易，需要要學(xué)生在講課前頭了解相關(guān)背景知識(shí)和相關(guān)詞匯，通過(guò)課堂閱讀練習(xí)加以引導(dǎo)。評(píng)測(cè)練習(xí)一、根據(jù)句意填入單詞或短語(yǔ)的正確形式1.Theprofessorhasbroughtinagood（系統(tǒng)）ofteachinglanguagefromabroad.2.Therearemanytabouttheoriginoflife.3.Childrenshouldnotbeallowedtowatchvmovies.4.Ibelievetheaffairishtothecompany.5.Theoldladyeonlyoncoffeeandbread.6.Shelistenedwithapexpressiononherface.7.Themoon’spontheseacausesthewaves.8.Ihadintendedtocatchtheearlytrain,butIdidn’tgetup(及時(shí))9.Whydoyouwanttokillthehensthat（下蛋）everyday?10.Manywomenplantogbabiesthisyear.11.Doctorssaymanydiseasescanbepspreadingbywashingourhands.12.Istayeduplastnight,sotodayIcan’tc.13.Nyouhavegrownup,youshouldnotdependonyourparents.14.DoyouknowwhentheSecondWorldWarb?15.Wforthecarswhenyoucrossthestreet.二、Unit4詞匯串記Ourgeographyteachersaystheearthisonlyoneoftheplanetsofthegiant.otherplanets,lifeontheearth,butlife’soriginisstillaDifferentandcultureshaveseparateideas.Theteachersaysitmaybedividedintofourstages.Thefirststageisabouthowtheuniversebegan.Awidelyacceptedcanexplainit.Afterthe“BigBang”begantoformandcombinetocreatestarsandotherbodies.Thesecondstageishowtheearthformed.Between4.5and3.8yearsago,cloudsanddustinspacesettledintoasolidTheearthbecamethatitoftenexploded.Theandwaterappeared.Waterisamatterforlifetoexistontheearth.Italsodissolvesgasesandacids.Thethirdstageisaboutplants’andanimals’appearance.Atfirst,plantsinthewaterappearedandTheyproducedwhichencouragesanimalsinthewatertoexist.Later,greenplantsonthelandcausedanimalsonthelandtoappear.Theyfirstandbecamebabies.Later,mammalsbabiesdirectly.Thelaststageisthathumansbecamethemostimportantanimalsontheearth.Weputtoomuchcarbondioxideinthetocauseglobalwarming.Wemusthowthingswillgoandmakelawstotheearthbecomingtoohot.wehavetakenmeasures,