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.

(寫作技法)本單元的寫作任務是寫一篇辯論性文章。A.TherearealotofunsolvedmysteriesonEarth.Sowhyarewegoingintospacetoexplore?B．Itisnecessarytofindanewhomeforpeopleinspace,astheresourcesonEarthwillrunout.C．Icannotunderstandspendingallthismoneyonexpensiveresearchandexperimentswhensomanypeopleneedfood.D．Exploringspaceencouragesscientiststoimprovetechnologythatcanhelppeopleinotherways，too.Aretheseargumentsfororagainstexploringspace?Markthemwithfor()oragainst()andaddyouownideastowriteanessay.Activity2

Writeanargumentativeessaywiththefollowingnotes.(分步演練)第一步審題謀篇審題寫作要求是寫一篇議論文。寫作時應注意下面幾點：1．確定文體(genre)：這是一篇議論文(argumentativeessay)。寫作時注意議論文的寫作特點。2．主體時態(tense)：文章應以一般現在時(presenttense)為主。3．主體人稱(person)：由于是向讀者說明太空探索的利弊，所以人稱應該以第一或第三人稱(first/thirdperson)為主。謀篇第一段：導入主題(introduction)，擺出不同的觀點并且表明作者的立場。第二段：寫主體(body)，反對宇宙探索的理由及論據。第三段：結束語(ending)，重申作者的觀點。第二步遣詞造句核心詞匯(含本單元詞匯)1．太空探索_________________2．抱著……的希望______________3．缺乏____4．弄明白__________5．有限的資源_________________6．爭論_____7．導致，造成_________8．地球，世界_____9．最后__________spaceexplorationinthehopeoflackfigureoutlimitedresourcesargueresultinglobeinclosing連詞成句(含本單元句型)1．太空探索給我們帶來了一些好處，但我不認為花大量的時間和金錢在它上面是一個明智的想法。_________________________________somebenefitsforus，butIdon’tthinkitawiseideatospendagreatdealoftimeandmoneyonit.2．據說，每年約有8億人正苦于缺乏食物，甚至每年有900萬人死于饑餓。Itissaidthatabout800millionpeopleare___________________________andeven9millionpeopledieofstarvationperyear.Spaceexplorationhasresultedinsufferingfromlackoffood

3．我不明白為什么我們把所有的錢都花在昂貴的研究和探索上。_____________________wespendallthemoneyonexpensiveresearchesandexplorations.4．在我們的世界上仍有很多的不解之謎。所以進入太空去探索是毫無意義的。Therearestillalotofunsolvedmysteriesonourglobe.Therefore，_______________togointospacetoexplore.5．有些人認為，我們應該找到一個新的家園，以希望能解決地球上資源有限的問題。_______________weshouldfindanewhome_______________________________________________onEarth.Ican’tfigureoutwhyitispointlessSomearguethatinthehopeofsolvingtheproblemoflimitedresources6．但我認為回收資源比投資這么多錢去找一顆遙不可及的星球要更實際。Inmyopinion，however，__________________________________________thaninvestingsomuchmoneytofindaplanetfartoreach.7．最后，我認為繼續進行昂貴的太空探索是沒有必要的。__________，Ithinkitisnotnecessarytocarryonwithexpensivespaceexploration.recyclingresourcesismuchmorepracticalInclosing第三步句式升級1．用while引導的讓步狀語從句升級句1。Whilespaceexplorationhasresultedinsomebenefitsforus，Idon’tthinkitawiseideatospendagreatdealoftimeandmoneyonit.2．把句7升級為it作形式賓語的句子。Inclosing，Ithinkitunnecessarytocarryonwithexpensivespaceexploration.第四步組句成篇用適當的過渡詞語，把以上詞匯和句式，再加上聯想內容，組成一篇英語短文。第五步同伴互評用適當的過渡詞語，把以上詞匯和句式，再加上聯想內容，組成一篇英語短文。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