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1、Unit4Astronomy:thescienceofthestarsＩ．单元教学目标技能目标SkillGoalsTalkaboutthescienceofthestars,thedevelopmentoflifeandspacetravelandgravity.Practisegivinginstructions.Practisetalkingabutproblemsinstudyorlife.LearntouseNounClausesasthesubject.Learntowriteanessaytoshowyourproblemsandthewa
2、ytoovercomethem.II．目标语言功能句式Talkaboutthescienceofthestars,thedevelopmentoflifeandspacetravelandgravityWheredowecomefrom?Howdidtheuniversebegin?Whyistheuniversethewayitwas?Howwillitend?Howmuchdoyouknowaboutuniverse?Doyouwanttohaveaspacetravel?Doyouknowsomethingaboutgravity?Doyoukn
3、owsomethingaboutblackholes?PractisegivinginstructionsPleaselookat/listento...Pleasecheckthat...Youneed...Pleasepayattentionto...Don’tforgetto...You’dbetter...Makesureyou...Watchoutfor...-18-Youmustn’t...PracticetalkingaboutproblemsinstudyorlifeMyproblemis...Thedifficultyis...Myt
4、roubleis...Thequestionis...Myadviceis...WhatIthinkaboutitis...Thefactis...Mysuggestionis...词汇1四会词汇astronomy,system,religiontheoryatombillionglobeviolentcarbonatmosphereunlikefundamentalharmfulacidchainmultiplyoxygenexistthusdioxidepuzzlebiologybiologistgravitysatellitegentlephys
5、icistclimatecrashspaceshippullfloatmass2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,exclaim3词组solarsystem,intime,layeggs,
6、givebirthto,inone’sturn,carbondioxide,prevent…from,blockout,cheerup,nowthat,breakout,watchout语法NounClausesasthesubjectNounClausesasthesubjectisalsocalledtheSubjectClause.ThatmeansaNounClauseservesasSubjectinthesentence.ThewordswhichareusedinthisNounClauseare:that,whether,who,wha
7、t,which,when,where,how,why,etc.Example-18-1.Whatitwastobecomewasamystery.2.Itwasnotclearwhetherthesolidshapewastolastornot.III．教材分析与教材重组1.教材分析本单元以astronomy:thescienceofthestars,thedevelopmentoflife,spacetravelandgravity为话题，通过本单元的几篇阅读材料使学生对以上问题有所了解，并通过文章中的一些探讨性的问题，比如，Theearthmayb
8、ecometoohotforthelivesonit.Thenwhatwillourfutur
