Unit4SpaceExplorationReadingforWriting课件高一英语人教版((1))

ReadingforWritingUnit4SpaceexplorationBytheendofthisperiod,youwillbeableto:understandtheauthor’sattitudetowardsthespaceexploration;graspthemainideaofeachparagraphandthestructureofthepassage;expressyourownpointofviewandwriteanargumentativeessay.1.Whattakethispicture?ANASAsatellite.2.Willitcostmuchtomakeandlaunchsuchasatellite?Yes,itwillcostalottomakeandlaunchasatellite.3.Isitawasteofmoneytolaunchthesatelliteandexplorespace?Pre-readingIsExploringSpaceaWasteofTimeandMoney?4.Whattypeofessayisthetextaccordingtothetitle?5.Istheauthorfororagainstexploringspace?Itisanargumentativeessay.

1.Whyaresomepeopleagainstspaceexploration?Becausetheythinkitisawasteoftimeandmoney,andthatweshouldfeedtheworld’spoorandfindimmediatesolutionstootherproblems,suchaspollutionandfataldiseases.While-readingActivity1

Readforsomedetails2．Howcanexploringspacehelpfightagainsthunger?A.Thescientistsanalysethedatarecordedbysatellitesandprovideusefulsuggestionsforfarmers.B.SatellitesorbitingEarthcanhelpfightagainstsevereweather.C.Satellitescanchangetheweatherpattern,thusimprovingoutputofcrops.D.Thescientistsinventsomeusefulequipmenttohelpwithfarming.√3．WhydoesGPS，memoryfoampillowsandsmartphonecamerasarementionedinparagraph3?Toproveadvancedtechnologydevelopedforspaceexplorationhaspromotedtechnologicalimprovementsthatbenefitusallbyallowingproductstobemadetoahigherstandard.4．Byregardingourplanetasanislandinablacksea，whatwillpeoplewillrealise？A．Wehavesucharapidlyincreasingpopulation.B．Theresourcesaresolimited.C．Itishardtofindotherplanetsasournewhome.D．LifeonMarswillbenicerthanthatonEarth.√Introduction:(Para.1)differentopinionsandthethesisstatementBody:(Paras.2-4)supportingdetails:benefit1,2,3Ending(Para.5):theconclusionActivity2Readforthestructure1.Readthefirstparagraphandunderlinethedifferentopinionsaboutspaceexploration.differentopinionsWhichopinionisthewriterfor?Activity3ReadforthelanguagefeaturesFirstly,exploringspacehasalreadymadeadifferenceinthefightagainstworldhunger.IthasdirectlyresultedinthemanysatellitesthatnoworbitEarth.Anumberofthesatellitesrecorddataonlandandweatherpatterns.ThenthedataistransmittedtoscientistsonEarthAftercarefulanalysis,thescientistscanprovideusefulrecommendationsandadviceforfarmers.Asaresult,space-basedsciencehashelpedfarminginitseffortstogrowenoughfoodtofeedEarth'sincreasingpopulation.Secondly,spaceexplorationhasalreadypromotedtechnologicalimprovementsthatbenefitusall.High-endproductsaroundtheworldaremadetoahigherstandardnowbecauseofadvancedtechnologywhichwasfirstcreatedtomeettherequirementsforspaceexploration.Forexample,spacetechnologieshavehelpedtheresearchanddevelopmentofdifferenttypesofnewmaterial.Theyhavealsohelpedcompaniesmakebetterheartmonitorsandothermachinesthatdoctorsregularlyuse.Today,spacetechnologiesarewidelyusedinallkindsofindustries,andeverydayproductssuchasGPS,memoryfoampillows,andsmartphonecamerasarechangingourlives.Finally,sendingastronautsintospacehashelpedpeopletothinkabouttheworld'sproblemsandeventofindwaystosolvethem.Seeingpicturesofourplanetasanislandinablackseamadepeoplerealisethatourplanet'sresourcesarelimited.Inordertoprovideforsucharapidlyincreasingpopulation,scientistsaretryingtofindotherplanetsthatcouldonedaybeournewhome.ThegreatestattentionatpresentisonMarsbecauseitisclosertoEarth,Inthefuture,humansmayliveonbothplanets.2.Findthethreetopicsentencesthatsummarizethewriter’sargumentsaboutspaceexploration.Linkingwordsareusedtomaketheessaymorelogical.Suitablesupportinginformationforeachsub-point.3.Underlinethesentencethatrepeatsthewriter’sopinioninthelastparagraph.Para.5Theconclusion:Repeatthestatementandechotheauthor’sopinionPost-readingActivity1Tipsforwritinganargumentativeessayaboutspaceexploration.

(写作技法)本单元的写作任务是写一篇辩论性文章。A.TherearealotofunsolvedmysteriesonEarth.Sowhyarewegoingintospacetoexplore?B．Itisnecessarytofindanewhomeforpeopleinspace,astheresourcesonEarthwillrunout.C．Icannotunderstandspendingallthismoneyonexpensiveresearchandexperimentswhensomanypeopleneedfood.D．Exploringspaceencouragesscientiststoimprovetechnologythatcanhelppeopleinotherways，too.Aretheseargumentsfororagainstexploringspace?Markthemwithfor()oragainst()andaddyouownideastowriteanessay.Activity2

Writeanargumentativeessaywiththefollowingnotes.(分步演练)第一步审题谋篇审题写作要求是写一篇议论文。写作时应注意下面几点：1．确定文体(genre)：这是一篇议论文(argumentativeessay)。写作时注意议论文的写作特点。2．主体时态(tense)：文章应以一般现在时(presenttense)为主。3．主体人称(person)：由于是向读者说明太空探索的利弊，所以人称应该以第一或第三人称(first/thirdperson)为主。谋篇第一段：导入主题(introduction)，摆出不同的观点并且表明作者的立场。第二段：写主体(body)，反对宇宙探索的理由及论据。第三段：结束语(ending)，重申作者的观点。第二步遣词造句核心词汇(含本单元词汇)1．太空探索_________________2．抱着……的希望______________3．缺乏____4．弄明白__________5．有限的资源_________________6．争论_____7．导致，造成_________8．地球，世界_____9．最后__________spaceexplorationinthehopeoflackfigureoutlimitedresourcesargueresultinglobeinclosing连词成句(含本单元句型)1．太空探索给我们带来了一些好处，但我不认为花大量的时间和金钱在它上面是一个明智的想法。_________________________________somebenefitsforus，butIdon’tthinkitawiseideatospendagreatdealoftimeandmoneyonit.2．据说，每年约有8亿人正苦于缺乏食物，甚至每年有900万人死于饥饿。Itissaidthatabout800millionpeopleare___________________________andeven9millionpeopledieofstarvationperyear.Spaceexplorationhasresultedinsufferingfromlackoffood

3．我不明白为什么我们把所有的钱都花在昂贵的研究和探索上。_____________________wespendallthemoneyonexpensiveresearchesandexplorations.4．在我们的世界上仍有很多的不解之谜。所以进入太空去探索是毫无意义的。Therearestillalotofunsolvedmysteriesonourglobe.Therefore，_______________togointospacetoexplore.5．有些人认为，我们应该找到一个新的家园，以希望能解决地球上资源有限的问题。_______________weshouldfindanewhome_______________________________________________onEarth.Ican’tfigureoutwhyitispointlessSomearguethatinthehopeofsolvingtheproblemoflimitedresources6．但我认为回收资源比投资这么多钱去找一颗遥不可及的星球要更实际。Inmyopinion，however，__________________________________________thaninvestingsomuchmoneytofindaplanetfartoreach.7．最后，我认为继续进行昂贵的太空探索是没有必要的。__________，Ithinkitisnotnecessarytocarryonwithexpensivespaceexploration.recyclingresourcesismuchmorepracticalInclosing第三步句式升级1．用while引导的让步状语从句升级句1。Whilespaceexplorationhasresultedinsomebenefitsforus，Idon’tthinkitawiseideatospendagreatdealoftimeandmoneyonit.2．把句7升级为it作形式宾语的句子。Inclosing，Ithinkitunnecessarytocarryonwithexpensivespaceexploration.第四步组句成篇用适当的过渡词语，把以上词汇和句式，再加上联想内容，组成一篇英语短文。第五步同伴互评用适当的过渡词语，把以上词汇和句式，再加上联想内容，组成一篇英语短文。Usethechecklisttohelpeachotherrevisethedrafts.✔Doestheintroductionstatethetopic?✔Doesthebodygiveargumentswithsuitablesupportinginformation?✔Doestheclosingexpressthewriter’sopinionandendproperly?✔Arethereanygrammar,spelling,orpunctuationerrors?Whilespaceexplorationhasresultedinsomebenefitsforus，Idon’tthinkitawiseideatospendagreatdealoftimeandmoneyonit.Firstly，itissaidthatabout800millionpeoplearesufferingfromlackoffoodandeven9millionpeopledieofstarvationperyear.Ican’tfigureoutwhywespendallthemoneyonexpensiveresearchesandexplorations.Secondly，therearestillalotofunsolvedmysteriesonourglobe.Therefore，itispointlesstogointospacetoexplore.Finally，somearguethatweshouldfindanewhomeinthehopeofsolvingtheproblemoflimitedresourcesonEarth.Inmyopinion，however，recyclingresourcesismuchmorepracticalthaninvestingsomuchmoneytofindaplanetfartoreach.Inclosing