高中英语人教版必修3教案Unit 4 Period 1 Warming up and reading

类别话题

英语巩固学习UnitAstronomy:thescienceofstars单要课程标准要求掌握的项目Scienceofthestars;thedevelopmentoflife;spacetravelgravity词汇

systemreligiontheoryatombillionglobe

天文学系统;体系;制度宗教;宗教信仰学说;理论原子&n.&（英）万亿;（美）十亿球体;地球仪;地

biologybiologistgravity

存在;生存adv.因此;于是二氧化物生物学生物学家迷;难题vt.&（使惑;（）为难万有引力;重力

球猛烈的;激烈的;floatvt.&（使）浮动;强暴的（使浮漂浮物

碳

gentle

温和的;文雅的atmosphereunlikeharmfulacid

大气层;气氛prep.不同不像基本的;基础的有害的酸

physicistclimatecrashpull

物理学家气候vt.&vi.碰撞;坠落宇宙飞船&vt.拉;拖;牵引力chainmultiply

链子;连锁;锁链vt.&vi.乘;增加

satellitemass

卫星;人造卫星质量团;块;大量

氧

exhaust

vt.用尽;耗尽短语

solarsystem太系intime及;终于layeggs下蛋giveto生;分娩inone’sturn轮到某人;接着氧化碳

out挡住（光线）感到高兴;感到振奋nowthat既然out发;爆发watch密切注视当心提防prevent..from阻止;制止重要句型功能语法教学重点

Whatittobecomewasuncertainuntil53.8billionyearswhenthedustsettledintoasolidglobe.(betodo;what-clauseearthsoviolentthatitnotclearwhethertheshape.itis/wasnot+adj.+whether-clause)Whatismoreasdown,beganassubject;that-clauseasthepredicative)Itwasnotimmediatelyobviousthatwatertotheof\[itis/was(not)+adj.+that\]lifewillcontinuetheearthmillionsofcomewilldependthisproblemcan(whether-clauseasthedependon+whether-clause..Pleasecheck.You.Don’tforgetto..You’dbetter...NounclausessubjectWhatittobecomewasuncertain....itnotclearthesolidshapewastonot.Gettotheofandmakingaspacetrip.learnsomeandexpressionsandletthemeffectivewaystoremember英语巩固学习资料

教学难点课时安排

英语巩固学习studentstousetheexpressionsofinstructionsinLetstudentslearnthenewnounclausesassubject.5.Developstudentslistening,speaking,readingandwritingabilities.studentstomastertheuseofclausesLetstudentslearnshortarticletoshowandtheovercomethem.3.Developstudentsintegrativeskills.7PeriodWarmingandreadingPeriodLearningaboutImportantlanguagepointsPeriodLearningaboutPeriodlanguage:Periodlanguage:ExtensivereadingPeriodlanguage:SpeakingandwritingPeriodRevision:uplearningtip1Warmingup整设教分Thisisfirstperiodunit.beginningofteacherinofunitbyhavingatalkwithstudentsaboutfamousandtheyUp.Itistothinkandthesetwogroupsquestions:oursystemcircletheWhatarethey?CanmatchthenameswiththeWhatyouinanythatastronomersinterestedisoriginoflifeonthethatastronomersandeachreligionandideaslifebeganearth.TheshouldwhattheseandletwhatkindofwillinthepartReading.TheHOWLIFEBEGANONTHEEARTHstudentsabriefonthehowearth.Itprovidesscientificbackgroundanyinvestigationintospaceanditisfactual.encouragedtextfindtheexpressionsthemselves.tryworkoutmeaningsofthroughiflookthemupdictionaryorteacherhelp.themtolookatthepictureswhatthetextskimandscanforfurtherunderstanding.ordernottoletthemfeelmuchtheshoulddealwithanywhiletheyAfterreading,studentsarerequireddotheexercisestheComprehendingtoseetheythereadingpassage.teachercanletworkpairsinfindthecooperatively,thentheiranswerswithclass.consolidatethecontentsreadingshouldbetothepassage.orderarousethestudents’interest,theteacherholdcompetition.教重Letreadpassagelearndevelopmentofthestudentstolearnreadingskills,theabilityofimpliedmeaningoftheauthor.教难英语巩固学习资料

英语巩固学习EnablestudentstounderstandandknowdevelopmentoftheLetlearnhowtousereadingskillsdifferentpurposes.三目知识目标learnnewwordsandexpressionsinthissystem,religion,billion,violent,carbon,unlike,chain,multiply,oxygen,thus,solarinlayeggs,givebirthto,inone’sturn,carbondioxide,prevent..fromLetlearnaboutthedevelopmentearth.能力目标1.Developstudents’readingabilityandletthemlearndifferentreadingskills.Enablestudentstoknowaboutdevelopmentofthe情感目标1.Trainstudentsinterestinsciencestimulatetheirloveforastronomy.2.Developstudents’enseofcooperative教过设方（）1PresentationtalkwithLetbrainstormfollowingquestions:areyouwhatitlikebeforeappearedearth?youlifebeganontheyoumoreTellstudents:Todaywewilllearnsomethingabouthowlifebeganontheearth.TurntoPage25.Let’scomeUpfirst.2Warmingupthinkaboutfollowingthendiscusswiththeirpartners.oursystemcircletheWhatarethey?CanmatchthenameswiththeVenus英语巩固学习资料

英语巩固学习NeptuneSaturnWhatyouinknowanythatinterested3questionspartners.Theofearthathatastronomers.Whatdoknowandcultureideaslifeonyouaboutthem?2.Letthemtheirstories.Encouragetelldifferentstories.Iftheydon’tknowtellsome,forexample,PangufromthePanguintoamyriadofNuwamadeandsothemtoreadlookatpictures.Predictwhatthewillbe4Readingreadingstudentstothequicklyandwritedowntheideaforeachinfollowingchart.LIFEBEGANParagraph1Paragraph2Paragraph3Paragraph4Paragraph5lookthroughthentextsilently.Threecheckthewiththewholeclass.IntensiveAllowpassagecarefullytimethethenfinishfollowing:orderofdevelopmentoflifetimeline.Insectsandearthasolidball.growonthewater.Plantsbeginondryearthaofdust.Waterontheearth.fish(10)universewitha“BigBangCleverwithhandsandfeetappeared.bestaccordingtext.Whatfortheoflife?Thewater英语巩固学习资料

英语巩固学习B.earthatmosphere.C.Theformofforests.DissolvingharmfulWhichofthefollowingontheearthfirst?Reptiles.C.andfish.Whichofthefollowingstatementstrue?existsMars.B.earthatmosphereismadeupofoxygenandnitrogen.C.Theearthdissolvedharmfultheseas.Plantsprovideearth.Whatpassageabout?Theanddevelopmentoflifeonbirthofearth.C.Whydinosaursdiedout.Thefacthumanglobalwarming.Suggested(1)A(2)D(4)AandReadtheathirdthenworkinpairstofollowingWhyearthfromtheotherplanets?WhydidthegrowbeforeanimalsWhyitwrongtofilmswithandpeopletobeinsolarsystem.decidedthatofthemnoconsideredplanet.Doknowofplanet?youknowremovedWhatproblemiscausedbyhumanbeings?(Letenoughtoreadpassagecarefullyandthewiththeirexpresstheirownideas.)ExplanationHelpanalyzelongandcomplexsentencesguessmeaningofEncouragethemtotrytowiththelanguagepointsinDiscussfollowingsentencesandinWhatituntilbetweenandbillionyearsagothedustsettledintoasolidearthsoitnotclearshapeintimetoproducecarbon,nitrogen,watervaporandgases,whichweremakeearthatmosphere.willcontinueonearthforcomewilldependonthisproblemcanSuggestedexplanations:Whatleadsnounwhenleadsclause.2)Here“whethertheshapewouldlastor”isanounclausethesubject.英语巩固学习资料

英语巩固学习3)Hereweretomakeearthatmospherea-restrictiveattributivein1)oreventually2)in(for/todo):lateIwillhimintime.willbeintimepreparesentence,thereareledbyfirstasubjectandtheobject.asattributivepersontodosuchamightonlyorbetrueifcircumstancesrightitOurwhethereveryonehardaloudAskstudentstopassagetotheandattentioneachnewwordpauseswithineachTelloutallusefulfromthewhilereadingcopyclassashomework.Collocations:earth,accordingaofdust,so..that,.orintime,watervapor,cooldown,onone’ssurface,allow..todo...achainreaction,millionsof,of,wellas,bydoing..,layeggs,bedifferentfrom,givebirthto,allovertheearth,inone’sturn,prevent...from,asaresultof,too...to..,depend5DiscussionAfterthepassage,letfollowingWhydoyouontheearth?Doyouthereisonotherplanets?WhywhyDoyouthinkitpossiblethatpeoplewillmovetheir6ConsolidationAskstudentsthewiththehelpoftheaclouddust→asolidballof→smallplantsgrowonwater→shellfishandotherfishappear→plantsbegintogrowdryland→insectsandamphibiansappear→retilesappear→dinosaursappear→mammalsappear7HomeworkLearnthewordsandinthispartbyReadreadingagaintrytotalkabouthowbeganearthwords.设方（）1Leadinginthetopicstudentssolarsystem.thewiththeplanets.2WarmingupEachreligionandculturehasideasoriginoflifeontheearth.telldifferentthatthey3PredictingbylookingdiscussingatpicturesandtitleofreadingpassageandinwhatpassageTwothreewillgivetheiropinions.Letthempassagequicklytoseeiftheyareright.英语巩固学习资料

英语巩固学习4ReadingGiveandskimthegeneralforeachGivestudentsminutesreadpassagecarefully,answerthefollowingquestions.WhatthereontheWhythinkhasbeenonthemoon?WhydidanimalsfirstappearintheWhygreendevelop?WhyfromGiveminutestoread