必修五（Unit 3　Life in the future Period 4）.docx

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1、Period4ReadingandWritingTheGeneralIdeaofThisPeriodThisperiodteachingandstudyingwillcenteronreadingandwriting.Asusual,theteachercanbegintheteachingwithrevisiontheformerknowledge,thatistosay,thecontentofFirstImpressions.Thispartcanbealsoregardedasthelead-in,becausethepassagetobelearnedisthecontinuedpa

2、rtofFirstImpression.ItwilldescribeamazingthingsthatLiQianghasseeninthefutureAD3005.Astoreadingtraining,thepurposeofdoingitistohelpthestudentstoformthegoodhabitofreadingwithsomestrategy.Theteachershoulddevelopthestudentsabilityofscanningandskimming,includingtheimpliedmeaningbeyondlines.Soatthebeginni

3、ng,getthestudentstoprepareknowledgeforreading.Inordertoreachthatpurpose,theteacherfirstlywillasksomequestionsaboutwhattheyhavelearnedinthesecondperiod,andthenletthemtalkaboutwhattheycanseeinthepicture.Thenletthestudentsscanthepassageandfindwhatamazingthingsarementioned.Later,theteacherwillaskthestud

4、entstoskimitandfindoutthemainideaforeachparagraph.Thepurposeofdoingtheseistohelpthestudentstoformthegoodhabitofreading.Whenreadingapassage,wehadbetterfirstreaditaswhole,thatis,understandthestructureofthepassageandcatchthemainideawiththehelpofstructureandtitle.Thefollowingstepistoreadthepassageforthe

5、details.Theteachercandesignsometeachingactivitiestohelpthestudentstoknowaboutmoreandmoreinformationbytakingpartinthereadingactivities.Asaresult,theteachershouldbecareful,cautiousandcreativewhendesigningthereadingactivities.Thereadingactivitieshadbetterbevarious,whichcancausemorestudentsattention.Att

6、heendofreading,someactivitiesshouldbedesignedtoleadthestudentstounderstandtheimpliedmeaningbeyondthepassage.Atthesametime,letthestudentsconsiderthewritingpurpose,whichservesthepurposeoftheauthorwritingit.Besidesreading,theclassisalsoexpectedtolearnandpractisewritingskill.Bystudyingthepassage,thestud

7、entsshouldlearntheabilityofdescribingthethingsandwhattheyimagineimitatingthepassage.Theteachershouldgivethestudentssomeadviceonhowtosucceedindescribingthethingsandwhattheyimagine.TeachingImportantPointsMastertheskillofgistreading.Developthestudentsabilityofunderstandingtheimpliedmeaning.Improvethest

8、udentswritingability.TeachingDifficultiesDevelopthestudentsabilityofunderstandingtheimpliedmeaning.TeachingAidsMulti-mediaclassroomandothernormalteachingtoolsThreeDimensionalTeachingAimsKnowledgeAimsGetthestudentstoknowaboutwhatLiQiangfoundinthefutureinAD3005.Learntheknowledgeabouthowtowriteapassage

9、aboutdescriptionofthethings.AbilityAimsMastertheskillofgistreading.Developthestudentsabilityofunderstandingtheimpliedmeaning.Improvethestudentswritingability.EmotionalAimsReadingthepassageistoattempttocultivatestudentsspiritofexploringscienceandfuture.TeachingProcedureStep1GreetingT:Hello,myfriends.

10、Ss:Hello,MissWang.Step2RevisionT:Doyoustillrememberwhatwelearnedinthesecondperiod?S:FirstImpressions.T:HowdidLiQiangtraveltotheearthinAD3005?S:Withthehelpofhisfriend,hetraveledbytimecapsuletotheearthbutonethousandyearsinthefuture.T:Howdidhefeelwhenhefoundhiminacompletelystrangeworld?S:Hewasconfusedb

11、ythenewsurroundings.T:Good.Nowletsmakesomesentenceswith“LiQiangtodescribewhathesawandexperienced.S:LiQiangsufferedfromthelackoffreshaironhisarrivalatthenewworldinthefuture.S:LiQiangfeltmuchbetterafterputtingonaspecialmask,thoughtheairseemedthinthere.S:LiQianggotseparatedfromhisfriendwhentheyreachedw

12、hatlookedlikealargemarket.Ss:.Step3Pre-readingT:Youdidagoodjob.Mostofyoureviewedwhatwelearned.NowletusguesswhatLiQiangwouldgoonvisiting.S:Hewastovisitotherplanetsbytimecapsule.S:Iguesshewouldgotovisitsomeinterestingplaces.S:Ithinkhewouldpayavisittoafamilyandaschool.Ss:.T:Ifyouweretheauthorofthepassa

13、ge,whatwouldyouliketointroducetoreaders?S:Imightintroducethealienswhohemetinthefuture.S:IthinkIwoulddescribethewayoffuturelife.S:IfIweretheauthor,Iwouldprefertowritesomethingaboutfutureschool.T:Somestudentsseemtohavethesameopinionastheauthor,whilesomemightbeabletowriteanewpassageforustoenjoy.Iamglad

14、toknowyouallhaveusedyourheadstohavevariousanswers.NowstudythepictureonPage21totellmewhatyoucanseeinthepicture.S:Icanseeastrangethingisworkinginaspecialplace.S:Thestrangethinghassixhandsandoneleg,butitsheadissimilartoours.S:Thereisanothercreature,whichisverysmallwithmanyhands,comparedwiththebigone.Ss

15、:.Step4FastReadingT:Nowletusreadthetitletogether.T:Canyoupredictwhatthepassagemaybeabout?S:Itmaybeaboutwhathehadseen,especiallyabouttheamazingthingsinthefuture.T:Youareright.Asweallknow,thebesttitleistheonewhichcanshowthemainideaofthereadingpassage.Asaconsequence,weshouldreadthetitlewhenwebegintorea

16、done,whichwillhelpustounderstandapassage.Now,readthepassagequicklytofindwhatamazingthingsarementionedinit.(Afteroneminute.)S:apacestation,somealiencreatures,mu-mu,dimpodsT:Yes.Pleaselookthroughitagainandfindoutmainideaforeachparagraph.Youdbetterfinishitintwominutes.(Twominuteslater,askthestudentstos

17、howtheiropiniontothewholeclass.Thendiscussitanddecidethebestanswer.Theteachershouldtellthemtheanswerintheend.)Suggestedanswers:Para.1 aspacestationconsideredthemostmoderninthispartofspacePare.2thefriendliestcreatures,mu-muPara.3themostinterestingcreatures,dimpodsPara.4thedifferencesandsimilaritiesbe

18、tweenthemStep5CarefulReadingT:PleasereadPara.oneandanswerthequestions:Wheredidhefirstvisit?Describetheplace.(Afteroneminute.)S:Hisfirstvisitwastoaspacestationconsideredthemostmoderninthispartofspace.Itisanenormousroundplate,anditspinsslowlyinspacetoimitatethepulloftheearthsgravity.Insideofit,itisdiv

19、idedintozoneswithextraordinarilydifferatmospheresandgravities.T:Right.Whatotherstrangethingscanbefound?S:Therelivethealiencreatureswhiletheyworkwithhumanspacescientistssearchingfornewworlds.T:Nowpleasereadthenexttwoparagraphstotellthefollowingsentencestrueorfalse.1.Thefriendliestcreaturesarethetinyd

20、impods,whilethemostinterestingcreaturesarethemu-mu.2.Themu-mumustwearrednightlightsonthehelmetssothattheycanseeinthedark.3.TheWorldSpaceAgencywillsendaspaceshiptoexaminethefourthstarinthePleiadessystemnextyear.4.Themu-mucanskiparoundthepipesandbetweenthewoodenwallsofthespacestation.5.Thetinydimpodsa

21、regreatengineers,whichrequirethesamethesameatmospheresashumans.6.Thetinydimpodsvanproducealiquidfromtheirbodies,whichmeltsmetalandveryusefulfortheoutsideforspaceships.(Givestudentsfourminutestoreadandconsiderthestatements.)T:Letschecktheanswers.Ifitiswrong,pleasecorrectit.S:1.Ithinkthefirstsentencei

22、swrong.Thetwoobjectsshouldbeexchanged.Thatistosay,thefriendliestcreaturesarethemu-mu,whilethemostinterestingcreaturesarethetinydimpods.T:Right.Whataboutthenext?S:2.Itisfalse.Humanbeingsmustwearrednightlightsonthehelmetssothattheycanseeinthedark.Butthemu-musdontneeditbecausetheycanseeinthedark.T:Good

23、.Isthethirdonewrong?S:3.Ithinkitisright.T:Right.Whataboutthenextone?S:4.Itiswrong.Thetinydimpodscanskiproundthepipesandbetweenthewoodenwallsofthespacestation.T:Iagreewithyou.S:5.Thefifthandthesixthareright.T:Excellent.Now,letsreadthelastparagraphandcombinewhatwejustreadtofinishthefollowingchart.Name

24、ofcreatureMu-muDimpodsSizeBigTinyAppearanceTheyaretallandthinwithshell-covered“leg.Theyaresmall,justthesizeofalittlecat.ColorTheyhaveblackandwhitefaces.Theyarepurpleorblueandthecolorchangesdependingontheirmood.Personality1.Theyseeinthedarksotheyliveinanareawithoutlightofanykind.2.Theyarecleversothat

25、theyhaveassistedinthescientificdiscovery.3.Theyarenoteasytotalktosothatyouhavetousealanguage-changertohelp.Themu-musonlyspeakinwhispers.4.Theyeatfoodthatcontainscarbonanddrinkastrangemixtureofcarrotjuiceandcocoa.1.Theyrequirethesameatmosphereashumans.2.Theyaregreatengineersandveryclever.3.Theyareabl

26、etotravelmanylightyearsawayfromtheearth,whichcanproduceastrangeliquidfromtheirbodies.4.Theyaredifficulttotalktosothatyouhavetousealanguage-changertohelp.Thedimpodsshoutloudlyinyourear.5.Theyeatfoodthatcontainscarbon,whichdrinklemonademixedwithherbs.NumberofarmsSixarmsManyarmsNumberoflegsAshell-cover

27、edlegManylegsHowitmovesTheymoveforwardbyslowlyshakingfromsidetosideonashell-coveredleg.Theyskiparoundthepipesandbetweenthewoodenwallsofthespacestation.Step6Post-readingT:Whatsthemainidea?S:Thepassagemainlytellsusthestrangethingsthathesawinthefuture.T:Right.Whatisthepurposeofwritingthepassage?S:Writi

28、ngthepassageistoletusknowwhatwillhappeninadvance.S:Ithinktheauthorattemptedtoencourageustobebraveenoughtosearchforthefuturetospeedupthedevelopmentofscience.T:Whatacleverhead!Weshouldhaveacreativespirittoexplorethedevelopmentofthefuturetobuildupoursociety.Weshouldworkhardtomakecontributionstoourcount

29、ry,tryingtomakeourhomelandhighlydeveloped.T:Nowletsimaginetoaddtwoextracharacteristicsofthecreatures.Discusswhatanaliencreatureofyourownmightbelikewithyourpartners.(Aboutthreeminutes,asksomestudentstodescribewhatanaliencreaturemightbelikeintheirminds.)Step7WritingT:Justnowyoudiscusswhatanaliencreatu

30、reofyourownmightbelike.Nowpleasedrawapictureofyouralien.Thenwriteadescriptionbasedonyourdrawingandthenotesinthechart.Showyourdrawingtoyourclassmatesandreadyourdescriptiontothem.(Givethemtenminutestodoit.First,letthemdoitbythemselves.Latergetthemtoexchangewiththeirdeskmates.Finallyasksomestudentstosh

31、owtheirworktothewholeclass.Duringdoingit,theteachercandesignacompetitiontoarousetheirinterest.Ifpossible,getsomeexcellentworksshowntothewholeschooltoencouragestudentstohaveacreativespirit.)Step8ConsolidationT:Inthisperiod,wemainlyfocusonreadingthepassage:IHaveSeenAmazingThings.Wouldyoupleasemakeasen

32、tencewith“WhatIhaveseen.?(Inordertogetmorestudentstotakepartinthisactivity,theteachercanletthemhaveacompetitionbetweengroups.)Step9HomeworkT:AfterclasswriteapassagetitledAnAlieninMyMind,imitatingthepassage.Inyourdescriptiontherewillbenameofcreature,size,appearance,color,howtomove,personalityandsoon.

33、TheDesignoftheWritingontheBlackboardUnit3LifeinthefuturePeriod4ReadingandWritingStructureComparisonPara1 aspacestationconsideredthemostmoderninthispartofspacePare2thefriendliestcreatures,mu-muPara3themostinterestingcreatures,dimpodsPara4thedifferencesandsimilaritiesbetweenthemMu-muDimpodsSizeAppeara

34、nceColorPersonalityNumberofarmsNumberoflegsHowitmovesResearchandActivitiesGetthestudentstoparticipateinacompetitionaboutdesigningthefuture.Thethemeofthecompetitionisrobotsinthefuturehome.Thestudentsareaskedtoworkingroupsoffourtodesigntherobotsintheirminds.Theywilldrawthepicturesoftherobotsandalsodes

35、cribethesize,appearance,personalityandhowtowork.Inordertoattractmoreattention,thedesignersshouldgiveavividdescriptionaboutitsoutstandingadvantagesandfunction.Inadditiontobeautifulappearanceandextraordinaryfunction,thedesigningshouldalsobefullofimagination.Thegroupwhosedescriptioniswonderful,together

36、withimaginative,beautifulandfunctionaldesign,willbethewinner.ReferenceforTeachingSpaceprograminthefutureTherisktakersandvisionariesofthisagencyhaveexpandedhumanknowledge,haverevolutionizedourunderstandingoftheuniverse,andproducedtechnologicaladvancesthathavebenefitedallofhumanity.Inspiredbyallthatha

37、scomebefore,andguidedbyclearobjectives,todaytheysetanewcourseforAmericasspaceprogram.TheywillgiveNASAanewfocusandvisionforfutureexploration.Theywillbuildnewshipstocarrymanforwardintotheuniverse,togainanewfootholdonthemoon,andtopreparefornewjourneystoworldsbeyondtheirown.Theircurrentprogramsandvehicl

38、esforexploringspacehavebroughtthemfar.TheSpaceShuttlehasflownmorethanahundredmissions.Ithasbeenusedtoconductimportantresearchandtoincreasethesumofhumanknowledge.Shuttlecrews,andthescientistsandengineerswhosupportthem,havehelpedtobuildtheInternationalSpaceStation.Telescopesincludingthoseinspacehavere

39、vealedmorethan100planetsinthelastdecadealone.ProbeshaveshownthemstunningimagesoftheringsofSaturnandtheouterplanetsofoursolarsystem.RoboticexplorershavefoundevidenceofwaterakeyingredientforlifeonMarsandonthemoonsofJupiter.Atthisveryhour,theMarsExplorationRoverSpiritissearchingforevidenceoflifebeyondt

40、heEarth.ItistimeforAmericatotakethenextsteps.TheirfirstgoalistocompletetheInternationalSpaceStationby2020.Theywillfocustheirfutureresearchaboardthestationonthelong-termeffectsofspacetravelonhumanbiology.Theenvironmentofspaceishostiletohumanbeings.Radiationandweightlessnessposedangerstohumanhealth,an

41、dwehavemuchtolearnabouttheirlong-termeffectsbeforehumancrewscanventurethroughthevastvoidsofspaceformonthsatatime.ResearchonboardthestationandhereonEarthwillhelpusbetterunderstandandovercometheobstaclesthatlimitexploration.Throughtheseeffortswewilldeveloptheskillsandtechniquesnecessarytosustainfurthe

42、rspaceexploration.Thesecondgoalistodevelopandtestanewspacecraft,theCrewExplorationVehicle,by2020,andtoconductthefirstmannedmissionnolaterthan2021.TheCrewExplorationVehiclewillbecapableofferryingastronautsandscientiststotheSpaceStationaftertheshuttleisretired.Butthemainpurposeofthisspacecraftwillbeto

43、carryastronautsbeyondourorbittootherworlds.ThiswillbethefirstspacecraftofitskindsincetheApolloCommandModule.Thethirdgoalistoreturntothemoonby2020,asthelaunchingpointformissionsbeyond.Beginningnolaterthan2020,theywillsendaseriesofroboticmissionstothelunarsurfacetoresearchandprepareforfuturehumanexplo

44、ration.UsingtheCrewExplorationVehicle,theywillundertakeextendedhumanmissionstothemoonasearlyas2021,withthegoaloflivingandworkingthereforincreasinglyextendedperiods.Withtheexperienceandknowledgegainedonthemoon,manwillthenbereadytotakethenextstepsofspaceexploration:humanmissionstoMarsandtoworldsbeyond

45、.Yetthehumanthirstforknowledgeultimatelycannotbesatisfiedbyeventhemostvividpictures,orthemostdetailedmeasurements.Andonlyhumanbeingsarecapableofadaptingtotheinevitableuncertaintiesposedbyspacetravel.GalaxyAnyofthesystemsofstarsandinterstellarmattermakesuptheCosmos.Manysuchassemblagesaresoenormoustha

46、ttheycontainhundredsofbillionsofstars.Naturehasprovidedanimmenselyvariedarrayofgalaxies,rangingfromfaint,diffusedwarfobjectstobrilliant,spiral-shapedgiants.Virtuallyallgalaxiesappeartohavebeenformedsoonaftertheuniversebegan,andtheypervadespace,evenintothedepthsofthefarthestreachespenetratedbypowerfu

47、lmoderntelescopes.Galaxiesusuallyexistinclusters,someofwhichinturnaregroupedintolargerclustersmeasuringhundredsofmillionsoflight-yearsacross.(Alight-yearisthedistancetraversedbylightinoneyear,travelingatavelocityof300000kilometerspersecond,or650000000milesperhour.)Theseso-calledsuperclustersaresepar

48、atedbynearlyemptyvoids,causingthegrossstructureoftheuniversetolooksomewhatlikeanetworkofsheetsandchainsofgalaxies.Galaxiesdifferfromoneanotherinshape,withvariationsresultingfromthewayinwhichthesystemswereformed.Dependingontheinitialconditionsinthepregalacticgassome15000000000yearsago,galaxiesformedeitherasslowlyturning,smoothlystructured,roundsystemsofstarsandgasorasrapidlyrotati