Unit4SpaceExplorationReadingforWriting課件高一英語人教版((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.

(寫作技法)本單元的寫作任務(wù)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(yīng)注意下面幾點(diǎn)：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(diǎn)。2．主體時態(tài)(tense)：文章應(yīng)以一般現(xiàn)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(yīng)該以第一或第三人稱(first/thirdperson)為主。謀篇第一段：導(dǎo)入主題(introduction)，擺出不同的觀點(diǎn)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(jù)。第三段：結(jié)束語(ending)，重申作者的觀點(diǎn)。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(dǎo)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(rèn)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(jù)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(jìn)入太空去探索是毫無意義的。Therearestillalotofunsolvedmysteriesonourglobe.Therefore，_______________togointospacetoexplore.5．有些人認(rèn)為，我們應(yīng)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(rèn)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(shí)際。Inmyopinion，however，__________________________________________thaninvestingsomuchmoneytofindaplanetfartoreach.7．最后，我認(rèn)為繼續(xù)進(jìn)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(dǎo)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(dāng)?shù)倪^渡詞語，把以上詞匯和句式，再加上聯(lián)想內(nèi)容，組成一篇英語短文。第五步同伴互評用適當(dāng)?shù)倪^渡詞語，把以上詞匯和句式，再加上聯(lián)想內(nèi)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