Unit6SurvivalDevelopingideasReading課件高二英語選擇性

Unit6Period4Reading新課導(dǎo)入1Workinpairs.CompletethequizandfindouthowmuchyouknowaboutMars.Trytoguessifyouarenotsureoftheanswers.Howmuch

doyouknow

aboutMARS?1Marsisthe______smallestplanetinthesolarsystem.asecond

bthird

cfourth2

ThesurfaceofMarsiscoveredin______arocks

bwater

cgrass3TheaveragerecordedtemperatureonMarsis______a

40°C

b2°C

c-63°C4

OnedayonMarsisabout______long.a

18hours

b24hoursc37hours課堂學(xué)習(xí)Answerthequestionsbelow:1DoyouthinkwhetherMarsishabitable?Whyorwhynot?2WhymighthumansliveonMars?Pre-reading2ReadthepassageandfindoutwhyhumansmightliveonMars.PlanB:LifeonMars?1Inthe1960sand1970s,thegreatestfearwasthatthehumanrace,andpossiblyalladvancedlifeformsontheplanet,couldbewipedoutbynuclearmissiles,justatthepushofabutton.Today,however,environmentalproblemshavetakenoverasthegreatestrisktolifeonEarth.Scientistsarethinkingofwaystolowerthisrisk,suchasreplacingcoalandoilwithformsofrenewableenergy.Buttheyarealsopreparingfortheworst:whatcanwedoiftheterrifyingscenesinfilmssuchasTheDayAfterTomorrowhappeninreallife?WhatisourPlanBforEarth?2

Oneoptionistoexploreotherplanetstoseeifwecouldliveonthem.ThemostlikelychoiceisMars,whichisrelativelyclosetoEarthandhasanenvironmentlesshostilethanthatofotherplanets.Marshasfascinatedpeoplesinceancienttimes,andtodayourinterestinMartianexplorationisgreaterthaneverbefore.FilmssuchasTheMartianenjoyworldwidepopularity.MoregovernmentsandorganisationsaremakingeffortstoeducatethepublicontheRedPlanet,forexample,theMarsDesertResearchStationintheUtahdesertoftheUSandtheMarsVillageinNorth-westChina'sQinghaiProvince.3

Sincethe1960s,wehavebeensendingunmannedspacecrafttoMars.Ourprobeshaveorbitedtheplanet,sendingbackvaluabledataandstunningimages.OurrobotshaveexploredtheMartiansurface,testingthesoilandsearchingforresources,waterandsignsoflife.Encouragedbydiscoveriesovertheyears,spaceagenciesofvariouscountriesareplanningmannedmissionstoMarsthatcouldtakeplacewithinthenext25years.4

ThereisnodoubtthathumankindisdrawntowardsMars,withdreamsofmakingitoursecondhome.However,sendingpeopletherewillrequirealltheskill,courageandintelligenceofthehumanrace.WhiletheMooncanbereachedwithindays,itwouldtakemonthstoreachMars,travellingthroughdangeroussolarradiation.AndevenifthefirstsettlersdoreachMarssafely,theymaynotbeabletoreturntoEarth-ever.Stayingalivewillbeadailychallenge,butasprovedbytheBiosphere2experiment,notimpossible.Asearlyasthe1980s,scientistswerebuildingBiosphere2intheArizonadesert.Itconsistedofaclosedspaceinwhichpeople,animalsandplantscouldlivetogether.The“closed”conceptmeantthatthespacewasdesignedtofunctionwithitsownoxygen,foodandwater,needingnothingfromtheoutsideworld.Althoughthetwo-yearexperimentwasnotasuccess,itdidprovideuswithabetterunderstandingofhowhumansmightbeabletoliveonanotherplanet.Morerecently,scientistshavesucceededingrowingavarietyofplantsinanenvironmentsimilartothatonMars.Thatdefinitelyisabigstepforward.5

Fornow,humansettlementofMarsisstilldecadesaway.Inthemeantime,scientificresearchshowsthattheplanetEarthisgettingwarmer.Thischangeisbeingcausedbyhumanactivityandishavingaterribleeffectonthebiosphere.Untilwearefinallyabletoliveonanotherplanet,weneedtotakemuchbettercareofourown.Rightnow,it'stheonlyonewehave!ReadthepassageandfindoutwhyhumansmightliveonMars.BecauseMarsisrelativelyclosetoEarthandhasanenvironmentlesshostilethanthatofotherplanets.3Choosethemagazineinwhichyouwouldmostlikelyfindthepassageandgiveyourreasons.1

TheTraveller2

AllAboutSpace3

EnvironmentalConcerns4

BiologyforFunReadthepassagequicklyandtalkaboutwhateachparagraphtells.Para.1WhydowehavePlanBforEarth?Para.2WhyMars?Para.3Humans'explorationrelatedtoMarsPara.4ThechallengesofmakingMarsoursecondhomePara.5Rightnow,Earthistheonlyhomewehave!4Choosethestatementsthatcanbeinferredfromthepassage.1.HumanshaveyetnotvisitedMars.2.PeoplewanttogotoMarsonholiday.3.ThereareplantsgrowingonMars.4.ThegreatestrisktolifeonEarthusedtobenuclearmissiles.5.Oneday,humanswillhavetogoandliveonanotherplanet.6.OurPlanAincludesdevelopingrenewableenergyresources.7.TheBiosphere2experimentendedinfailure.EvidenceofNumber1:...spaceagenciesofvariouscountriesareplanningmannedmissionstoMarsthatcouldtakeplacewithinthenext25years.(Para.3)EvidenceofNumber4:Inthe1960sand1970s,thegreatestfearwasthatthehumanrace,andpossiblyalladvancedlifeformsontheplanet,couldbewipedoutbynuclearmissiles,justatthepushofabutton.(Para.1)Sonumber4“ThegreatestrisktolifeonEarthusedtobenuclearmissiles”EvidenceofNumber6:Scientistsarethinkingofwaystolowerthisrisk,suchasreplacingcoalandoilwithformsofrenewableenergy.(Para.1)EvidenceofNumber7:Asearlyasthe1980s,scientistswerebuildingBiosphere2intheArizonadesert.Althoughthetwo-yearexperimentwasnotasuccess,...(Para.4)Nowworkinpairs.Findevidencetosupportyourchoices.LearningtolearnSometimes,weneedtoformopinionsanddrawconclusionsthatarenotdirectlystatedwithinthegiveninformation.Forexample,fromthesentence“WhiletheMooncanbereachedwithindays,itwouldtakemonthstoreachMars,travellingthroughdangeroussolarradiation”,wecaninferthattheMoonislessexposedtodangerousradiationthanMars.Headingsandpicturescanalsohelpusmakeeducatedguessesaboutatext.ThinkShareYes,IwouldliketobeoneofthefirstpeopletoliveonMars.BecauseIrelishthechallengingthings.Thetwopassagessharethethemeofprotectingourlivingenvironments.Thefirstpassagefocusesonbalancingnatureandurbandevelopment,andtheneedforharmonybetweenhumansandanimals.ThesecondpassagefocusesonourneedtoprotectEarthevenifweintendtosettleonotherplacessuchasMarsinfuture.IthinktosolveEarth’sproblemsisbetter.Becauseit’sMorefeasible.Yes.Tocollectandreuseallthewaste.5Workinpairs.ConductaninterviewaboutlivingonMars.1Decideyourroles.2LookatthesamplequestionsaboutlivingonMarsandaddanymoreyoucanthinkof.Thenwritedownsomeanswers.3Actouttheinterviewwithyourpartner.Questions?Whatcanyouseefromthewindowofthespacecraft??Canyougooutside??HowdoyougetfoodonMars??WhatdoyoumissaboutEarth?Answers

Nowthinkabouthowwellyouperformedintheinterview.Voteinclassforthebestinterview.Languagepoints1.Inthe1960sand1970s,thegreatestfearwasthatthehumanrace,andpossiblyalladvancedlifeformsontheplanet,couldbewipedoutbynuclearmissiles,justatthepushofabutton.在20世紀(jì)60、70年代，最大的恐懼是，只需按下一個按鈕，人類——甚至可能是地球上所有的高級生命體——就可能被核導(dǎo)彈徹底毀滅。

(1)“that...button”為that引導(dǎo)的表語從句。

(2)advancedadj.高級的；先進(jìn)的advancevt.&vi.前進(jìn)，促進(jìn)，提前

n.前進(jìn)，進(jìn)步advancedtechnology先進(jìn)的技術(shù)advancedscience先進(jìn)科學(xué)；尖端科學(xué)advancedmathematics高等數(shù)學(xué)

advancedmaterial先進(jìn)材料advanceon/upon/towards...向……推進(jìn)/挺進(jìn)makeadvances(in)(在……方面)取得進(jìn)步/進(jìn)展inadvance(=aheadoftime)預(yù)先，提前inadvanceof在……前面；超過(3)wipeout徹底摧毀，消滅e.g.Thewholevillagewaswipedoutbythefloods.

整個村莊都被洪水給摧毀了。2.Buttheyarealsopreparingfortheworst:whatcanwedoiftheterrifyingscenesinfilmssuchasTheDayAfterTomorrowhappeninreallife?

但他們也在做最壞的打算：如果《后天》等電影中的恐怖場景發(fā)生在現(xiàn)實生活中，我們該怎么辦?。(1)if引導(dǎo)條件狀語從句。

(2)terrifyingadj.極其可怕的，駭人聽聞的terrifyvt.使害怕，使恐懼terrifysb.使某人害怕terrifiedadj.恐懼的，害怕的beterrifiedof(doing)sth.害怕（做）某事beterrifiedat/by因……而害怕beterrified(that)...害怕……6.MoregovernmentsandorganisationsaremakingeffortstoeducatethepublicontheRedPlanet,forexample,theMarsDesertResearchStationintheUtahdesertoftheUSandtheMarsVillageinNorth-westChina'sQinghaiProvince.

越來越多的政府和組織正在努力對公眾進(jìn)行有關(guān)“紅色星球”的教育，例如美國猶他州的火星沙漠研究站和中國西北部青海省的火星村。(1)makeeffortstodosth努力做某事e.g.Wemustmakeeffortstotranslateouridealintoreality.我們必須努力把理想變?yōu)楝F(xiàn)實。(2)educatesb.onsth.在某事上對某人予以教育

=educatesb.about/insth.

e.g.ThecountrylaunchedacampaigntoeducateteenagersaboutAIDS.該國發(fā)起了一場教育青少年了解艾滋病知識的運(yùn)動。7.Ourprobeshaveorbitedtheplanet,sendingbackvaluabledataandstunningimages.我們的探測器已經(jīng)繞火星軌道運(yùn)行，并發(fā)回了寶貴的數(shù)據(jù)和令人驚嘆的圖像?，F(xiàn)在分詞短語作伴隨狀語。8.OurrobotshaveexploredtheMartiansurface,testingthesoilandsearchingforresources,waterandsignsoflife.

我們的機(jī)器人已經(jīng)探索了火星表面，測試了土壤并且在尋找資源、水和生命的跡象。

現(xiàn)在分詞短語作伴隨狀語。9.Encouragedbydiscoveriesovertheyears,spaceagenciesofvariouscountriesareplanningmannedmissionstoMarsthatcouldtakeplacewithinthenext25years.受到多年來這些發(fā)現(xiàn)的鼓舞，各國航天機(jī)構(gòu)正計劃在未來25年內(nèi)進(jìn)行載人飛船登陸火星的任務(wù)。

本句是主從復(fù)合句?！癊ncouraged...years”為過去分詞短語作原因

狀語；that引導(dǎo)定語從句，修飾mannedmissionstoMars。10.ThereisnodoubtthathumankindisdrawntowardsMars,withdreamsofmakingitoursecondhome.

毫無疑問，人類被火星所吸引，夢想著把它作為我們的第二家園。本句中that引導(dǎo)同位語從句，解釋說明doubt；“with...home”為介詞短語作狀語，其中包含“make+賓語+賓補(bǔ)”結(jié)構(gòu)。11.WhiletheMooncanbereachedwithindays,itwouldtakemonthstoreachMars,travellingthroughdangeroussolarradiation.

到達(dá)月球只需要幾天的時間，而到達(dá)火星