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必修3Unit4Astronomythescienceofthestars全套教案.docx

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Unit4Astronomy:thescienceofthestars I单元教学目标 技能目标Goals Talkaboutthescienceofthestars,thedevelopmentoflifeandspacetravelandgravity Practisegivinginstructions Practisetalkingabutproblemsinstudyorlife LearntouseNounClausesasthesubject Learntowriteanessaytoshowyourproblemsandthewaytoovercomethem.II.目标语言 功 能 句 式Talkaboutthescienceofthestars,thedevelopmentoflifeandspacetravelandgravity Wheredowecomefrom? Howdidtheuniversebegin? Whyistheuniversethewayitwas? Howwillitend? Howmuchdoyouknowaboutuniverse? Doyouwanttohaveaspacetravel? Doyouknowsomethingaboutgravity? Doyouknowsomethingaboutblackholes? Practisegivinginstructions Pleaselookat/listento… Pleasecheckthat… Youneed… Pleasepayattentionto… Don’tforgetto… You’dbetter… Makesureyou… Watchoutfor… Youmustn’t… Practicetalkingaboutproblemsinstudyorlife Myproblemis… Thedifficultyis… Mytroubleis… Thequestionis… Myadviceis… WhatIthinkaboutitis… Thefactis… Mysuggestionis…词 汇1四会词汇 astronomy,atmosphere,system,violent,solid,explode,carbon,dioxide,oxygen,surface,planet,harmful,development,spread,method,depend,exist,presence,telescope,disappoint,disappointed,publish,publishing,gravity,force,gradually,cheer,float,mass 2认读词汇 astronomer,biochemistry,geophysics,solar,BigBang,vapour,nitrogen,dissolve,amphibian,reptile,generally,mammal,global,comet,IssacNewton,AlbertEinstein,StephenHawking,lessen,weightlessly,cabin,exhaust,exclaim 3词组 solarsystem,intime,prevent…from,dependon,cheerup,nowthat,getthehangof,breakout语 法 NounClausesasthesubject NounClausesasthesubjectisalsocalledtheSubjectClause.ThatmeansaNounClauseservesasSubjectinthesentence.ThewordswhichareusedinthisNounClauseare:that,whether,who,what,which,when,where,how,why,etc.. Example Whatitwastobecomewasamystery. Itwasnotclearwhetherthesolidshapewastolastornot. 重 点 句 子Whatitwastobecomewasamysteryuntilthedustbegantoslowlycombineintoaballmovingaroundthesun.P25 It’sexplodedloudlywithfireandrock,whichwereintimetoproducethewatervapour,carbondioxide,oxygen,nit