Module 3 Journey to space Unit 2 公開課教學(xué)設(shè)計（外研版八年級英語下冊）

Module3JourneytospaceUnit2Wehavenotfoundlifeonanyotherplanetsyet.教學(xué)設(shè)計一、教學(xué)目標(biāo)1.能掌握本單元的單詞和短語：group,light,impossible,take,out,communicate2.重點句型：However,wehavenotfoundlifeonanyotherplanetsyet.Scientistshavealsodiscoveredmanyothergalaxiesintheuniverse.3.能夠讀懂以太空為主題的簡單文章并能識別細節(jié)，做出正誤判斷。4.通過了解中國在太空探索領(lǐng)域取得的偉大成就，形成民族意識和民族自豪感。5.能夠用現(xiàn)在完成時談?wù)撟罱l(fā)生的事情。6.能根據(jù)圖片完成與主題相關(guān)的寫作任務(wù)。二、教學(xué)重點及難點重點：識別文章的主題，能讀懂以太空為主題的簡單文章并識別細節(jié)信息。難點：1.能區(qū)分現(xiàn)在完成時與一般過去時的區(qū)別并靈活運用。2.already，just，yet在現(xiàn)在完成時中的應(yīng)用。三、教學(xué)準(zhǔn)備1.多媒體設(shè)備和課件。2.教學(xué)光盤。四、教學(xué)過程StepⅠWarming-upWatchanddiscussSswatchthevideoSpaceTravelandtalkabouttheuniverse.Whatdoyouknowabouttheuniverse?Whatplanethavehumansalreadybeento?設(shè)計意圖：通過觀看有關(guān)太空探索的視頻，讓學(xué)生初步了解太空知識。再通過問題的討論與思考，進一步引出本單元話題，激發(fā)學(xué)生的學(xué)習(xí)興趣。StepⅡPre-readingActivity1Ssworkinpairs,lookatthepictureinActivity1andtalkaboutwhattheyknowaboutChinesespaceships.設(shè)計意圖：增強學(xué)生的話題意識，彌補信息不足，擴充詞匯，為閱讀理解做準(zhǔn)備。Newwords1.Sslearnthenewwordsinunit2andreadthemtogether.2.Ssreadthewordsinpairsandasktheteacherforhelpiftheyhavedifficulties.3.TandSscheckthepronunciationtogether.設(shè)計意圖：學(xué)習(xí)新單詞，為學(xué)習(xí)對話做鋪墊。4.Ssreadsomenewwords,thenmatchthemwithpictures.5.Tchecktheanswersasawholeclass.6.Ssputthewordsandphrasesinrightorder.設(shè)計意圖：通過設(shè)置連線和排序題目，幫助學(xué)生加深對詞匯的理解，為后面閱讀課文做準(zhǔn)備。StepⅢWhile-readingListenandread1.TplaystherecordingandSslistentoitcarefully.2.TasksSstoreadthroughthepassage,andthenreadthetexttogether.Fastreading1.TasksSstoreadthepassagequicklyandtrytomatchtheheadingswiththeparagraphs.Paragraph1Thescientists’progress(進程)Paragraph2&3Thescientists’questionsParagraph4ThesolarsystemandtheuniverseParagraph5Thelifeonearthandotherplanets2.TasksSstoreadPara1and5quicklyandchoosethetitle.Thebesttitleforthepassage__________.(1)Anyoneoutthere?(2)Lifeontheearth(3)Thesunandotherothers(4)Thestarsatnight設(shè)計意圖：通過快速閱讀，幫助學(xué)生掌握每個段落的大意，理解文章的框架結(jié)構(gòu)。Carefulreading1.ReadPara1carefullyandanswerthequestion.Howmanyyearshastherebeenlifeontheearth?2.ReadPara2quicklyandanswerthequestion.Whydon’tscientiststhinktheywillfindlifeonotherplanets?3.ReadPara2carefullyagainandfill.Theearthisa______.Thesunisa________.Thesunanditseightplanetsarecalled____________.Ourgalaxyiscalled______________.Therearemanyothergalaxiesinthe________.4.ReadPara3carefullyandtalkaboutthepicture.5.ReadPara4carefullyandanswerthequestions.Havescientistssentthespaceshipstootherplaces?Where?6.ReadPara5anddiscussthequestions.Withsomanystarsintheuniverse,arewealone?Istherelifeoutthereinspace?Havetherebeenvisitorstotheearthfromotherplanets?Whyhasnoonecommunicatedwithus?設(shè)計意圖：通過精讀，分段閱讀，幫助學(xué)生理解文章的細節(jié)信息。Step=4\*ROMANIVPost-readingActivity3&4SsclosethebooksandfinishActivity3and4,thenchecktheanswerswiththeirpartners.設(shè)計意圖：通讀課文做練習(xí)，完成對知識的輸出，培養(yǎng)知識輸出的能力。RetellSsfillintheblanksandthenretellthepassageaccordingtothemind-map.設(shè)計意圖：通過思維導(dǎo)圖的方式讓學(xué)生復(fù)述文章內(nèi)容，幫助學(xué)生整體把握文章結(jié)構(gòu)，加深對文章整體內(nèi)容的理解。LanguagepointsTexplainssomelanguagepoints.1.Scientiststhinkthattherehasbeenlifeontheearthforhundredsofmillionsofyears.本句中的hundredsofmillionsof表示“數(shù)以億計的”。【拓展】hundred,thousand與million：hundred百，thousand千，million百萬，這幾個詞前面有具體的數(shù)詞（one,two…）修飾時，不能在它們的后面加s和of。hundred，thousand，million，billion等數(shù)詞表示不確切的數(shù)目時，在詞尾加s，且和of連用，表示“數(shù)百”、“數(shù)千”、“數(shù)百萬”、“數(shù)十億計的”。這幾個帶of的短語前不能加具體數(shù)字，可以加some，several，hundredsof等。2.Noneofthemhasanenvironmentlikethatoftheearth…none做代詞，意為“沒有人；一個也沒有；沒有任何東西”。【拓展】none與noone：none表示“沒有任何”，不僅指人也可指物，其后常接of短語，構(gòu)成“noneof+名詞/代詞”結(jié)構(gòu)，當(dāng)名詞或代詞為復(fù)數(shù)時，謂語動詞用單復(fù)數(shù)均可，通?；卮餳owmany/howmuch引起的問句。noone=nobody表示“沒有人”，指人，不能接短語，當(dāng)它做主語時，謂語動詞用第三人稱單數(shù)，通常回答who引起的問句。3.Itisimpossibletoimagine.impossible形容詞，意為“不可能的；（事情）辦不到的”，它是由possible（可能的）加上否定前綴im-構(gòu)成的形容詞。Itisimpossible(forsb.)todosth.意為“（對某人來說）做某事是不可能的”。Activity51.Sslookatthepicturefromasciencestoryforchildrenandanswerthequestions.T:Pleaseimagineandtalkaboutthesequestionsingroups.設(shè)計意圖：聯(lián)系實際，培養(yǎng)學(xué)生的英語口語交際能力和合作能力。Activity61.TasksSstowriteapassagetodescribethepictureinActivity5.T:OK.Nowpleasewriteapassagetodescribethepicture.UseyouranswerstothequestionsinActivity5tohelpyou.Ssworkinpairs,checkthecompositionwitheachotherandgivesuggestionstomakethewritingbetter.Choosesomeexcellentonestoshowinclassandeveninschool.設(shè)計意圖：學(xué)生在上一活動基礎(chǔ)上進行連句成篇，提高寫作能力。學(xué)生互相檢查作文并提出修改意見，提高學(xué)生英文寫作的主動性。2.Tshowsonepossibleversionandgivessomeinstructions.設(shè)計意圖：通過小組合作探究，學(xué)生在寫作過程中可以相互糾正錯誤。ExercisesTasksSstodotheexercises.一、根據(jù)句意寫單詞。1.Everyoneknows______travelsmuchfasterthansound.2.______ofuslikethisbadTVprogramme.3.Theflowerswill_____welliftheygetenoughwater.4.Thesolarsystemisasmallpartofour________.5.Wehaven’t________lifeonotherplanetsyet.二、句型轉(zhuǎn)換。1.IhavebeentoAmericabefore.（變成一般疑問句）___________________________________________2.have,finished,not,I,homework,my（連詞成句）___________________________________________3.She___________theGreatWalltwice.（選hasgoneto/hasbeento填空）4.Ithinkhewillcometoyourbirthdayparty.（改為否定句）I_____________________cometoyourbirthdayparty.CulturalBackgroundTintroducestheknowledgeaboutthenamesofthedaysoftheweek.設(shè)計意圖：通過展示一周中每一天的名字的相關(guān)內(nèi)容，幫助學(xué)生了解天文與日常生活的關(guān)系。StepVSummaryTheearth:Therehasbeenlifeonitforhundredsofmillionsofyears.Sevenotherplanets:Thereisnolifeonthem.Noneofthemhasanenvironmentlikethatoftheearth.Scientists:Theyhaved