人教 九上 英语 Unit 6 Section B《自主学习》课件

SectionBHowfarcanwegointospace?自主学习Unit6BeyondEarth1aWheredoyouprefertofindinformationaboutspaceexploration?Choosethosethataretrueforyou.A.Popularsciencemagazines.B.Sciencefictionbooks.C.Onlinenews.略1bReadthetitleandthetextquickly.Wherewouldyoufindanarticlelikethis?IdentifyingthetexttypeBeforeyouread,decidewhatkindoftextitis.Isitasci-fistory,popularsciencearticle,newsreport,orsomethingelse?TotheStarsandBeyondSincethebeginningofhumanhistory,peoplehavelookedupatthestarsandwonderedwhattheywerelike.Manyancientculturesbelievedthatthesepointsoflightwerefromgodsorothermysteriousworlds.lookupat抬头看；仰望宾语从句，作believed的宾语However,astechnologyandsciencedeveloped,welearntthetruthaboutstars.Theyarerealplaceslikeourownsun,andtheyarefurtherawaythananyoneimagined.Thisraisesthequestion:Canwevisitthestarsoneday?astechnologyandsciencedeveloped“随着科技的发展”，as引导时间状语从句，意为“随着”。Theman-madeobjectwhichhastravelledfurthestfromEarthisVoyager1.Thisspacecraftwaslaunchedin1977.IncaseVoyager1isfoundbyalienlife,aspecialrecordwithsoundsandpicturesfromEarthiscarriedonboard.Itshowswhoweareandwherewearefrom.Now,Voyager1isanamazing23.5billionkilometresfromEarth,butthatisstillalongwayfromEarth’sneareststar,ProximaCentauri.Thatstaris4.2lightyearsaway—about40trillionkilometres!定语从句，修饰先行词“Theman-madeobject”条件状语从句Thechallengeofvisitingthestarsgetsevenbiggerforspaceflightswithhumans.Thefurthestthatanyhumanhasgoneinspaceisonlyabout400,000kilometres,aroundtheothersideofthemoon.Timeisabigproblem.Atpresent,evenajourneytotheplanetMarswilltakearoundsixtoninemonths.Whatwilltheastronautseatanddrinkduringthisperiod?Andhowabouttheirhealthandsafety?Theseproblemsgrowwhenwetalkaboutvisitinganotherstar.Itmighttakehundredsofthousandsofyearstogetthere!Scientists,however,believethatvisitingthestarsisnotacompletelywilddream.Oneideaistohavetheastronautssleepduringtheirjourneylikesomeanimalsdoinwinter.Anotheristodevelopmuchfasterspacecraft.由形容词complete+-ly构成的副词，彻底地；完全地。Whilethisisnotpossiblerightnow,withnationsandscientistscooperatingwithoneanother,thereishopethatthenecessarytechnologywillbedeveloped.长难句分析：该句为主从复合句，主句（therebe句型+同位语从句），主语为hope，that引导同位语从句解释hope的具体内容。在同位语从句中，主语是thenecessarytechnology，谓语是willbedeveloped。句首的While引导让步状语从句，其中主语为this，系动词是is，表语是notpossible，rightnow是时间状语。Humanshavesetfootonthemoon,successfullylandedroversonMars,andevenphotographedothergalaxies.Intime,itseemslikelythatonedaywemayreachthestarsaspeopleoncedreamt.itseemslikelythat...“似乎有可能……”，it作形式主语，真正的主语是that引导的从句。Apopularsciencemagazine.思考：Doyouthinkthebenefitsoftravelingtothestarsoutweighthechallenges?Whyorwhynot?Yes.Althoughtherearehugechallengeslikealongtimeandtechnicaldifficulties,travelingtothestarscanbringusamazingbenefits.Wemightdiscovernewhabitableplanets,findnewresources,andgainadeeperunderstandingoftheuniverse,whichcanpromotethedevelopmentofscienceandhumanityasawhole.从教材语篇1b挖中考设问新考法文章出处Whereisthispassagemostlikelytakenfrom?A.Asciencefictionnovel. B.Asciencemagazine.C.Ahistorybook. D.Atravelguide.B1cReadagainandmatcheachparagraphwithitsmainidea.Paragraph1 A.Longdistancespacetravelisdifficultforhumans.Paragraph2 B.Humanshavelongbeencuriousaboutthestars.Paragraph3 C.Inthefuture,itmaybepossibletovisitanotherstar.Paragraph4 D.Nospacecrafthastravelledclosetoanotherstar.becuriousabout对……好奇1dCompletethemindmapwiththeinformationfromthetext.Youcanuseyourownwords.Question:Canwevisitthestarsoneday?Whydowewanttovisitthestars?:Humanshavelongbeencuriousaboutthestars.Whathasbeendonetoexplorespace?:Mannedspacetravel:Humanshavesetfootonthemoonandgonearoundthemoon(Thefurthestthatanyhumanhasgoneinspaceisabout400,000kilometres,aroundtheothersideofthemoon.).Unmannedspacetravel:TheVoyager1spacecraftwaslaunchedin1977andhastravelledanamazing23.5billionkilometresfromEarth;scientistshavesuccessfullylandedroversonMarsandphotographedothergalaxies.Whatarethechallengesofexploringspace?:Time:Itmighttakehundredsofthousandsofyearstogettoanotherstar;ajourneytoMarstakesaroundsixtoninemonths.Supplies:Whatastronautswilleatanddrinkduringlongjourneys.Healthandsafety:Issuesrelatedtoastronauts’healthandsafetyduringlongspacetravels.Howwillitbepossible?:Byhavingastronautssleepduringtheirjourney(likesomeanimalshibernateinwinter)ordevelopingmuchfasterspacecraft;withnationsandscientistscooperating,thenecessarytechnologymaybedeveloped.Inthefuture,itmaybepossibleforhumanstoreachthestarsaspeopleoncedreamt.（答案不唯一）1eDiscussthequestions.Findmoreinformationtosupportyouranswers.1.Whatdidsomeancientculturesthinkaboutstars?Why?2.WhatiscarriedonboardbyVoyager1?Why?3.WhatisthefurthesttripthatahumanhastravelledfromEarth?Doyouknowanydetailsaboutit?4.Whatdoyouthinkaboutthefutureofspaceexploration?略VocabularyinUse2aMatchthewordspacewithThendiscussthequestions.space1.Doyouhopetotravelbyspaceshiptootherplanetsoneday?2.WhowasthefirstChineseastronauttodoa__________?3.WhatisthenameofChina’sfirstlargesurvey__________________?walksuitcrafttelescopestationshipspacewalkspacetelescopespace4.Howmanykilogramsdoesa__________thatanastronautwearsusuallyweigh?5.Whatisthelongesttimethatanastronauthaslivedona______________?6.Howfastdoyouthinka__________cantravel?walksuitcrafttelescopestationshipspacesuitspacestationspacecraft2bCompletetheconversationwiththephrasesinthebox.onboardfallasleepinspacerocketlaunchincaseintimeAnn:Areyougoingtowatchthe____________tomorrowmorning?Bob:Yes.I’mgoingthereearly_________therearetoomanypeople.rocketlaunchincaseAnn:Yeah,itwillbeverycrowded.IthinkI’llwatchitonlineinstead.“crowded”是形容词，主要表示“人（太）多的；拥挤的”，也可指“排满的”（如排满的日程）；反义词是“uncrowded”不拥挤的。其动词和名词形式均为“crowd”，分别表示“拥挤”和“人群”。onboardfallasleepinspacerocketlaunchincaseintimeBob:I’dprefertoseeitwithmyowneyes.Iwanttobeanastronautinthefuture.Ann:Cool!Thejobmustrequireyoutobestrongbothinmindandbody.Bob:Yes.Ithinkit’sfantastictoliveandwork_________.prefertodosth更喜欢做某事inspacebothinmindandbody在身心两方面onboardfallasleepinspacerocketlaunchincaseintimeAnn:Butitmustbedifficultto_________ifyouneedtobetieddown!Bob:Notaproblemforme.Ibelievethatspacetravelwillbemademucheasier_________.Ann:Well,I’veonlybeen_________aplanetwice,andIwasscared.Iprefertohaveajobthatkeepsmyfeetontheground.fallasleepintimeonboardbetieddown被固定住；受束缚2cCompletethetextwiththecorrectformsofthewordsinthebox.setfootoncompletewildcooperatehumanbeingcancellaunchForthousandsofyears,____________dreamtofvisitingthemoonandotherplanets.Thoughmanymissionsfailedorhadtobe_________,spaceexplorationneverstopped.In1969,humansfinally____________themoon’ssurface.Sincethen,moremissionstothemoonhavebeen____________.dreamofdoingsth梦想做某事humanbeingscancelledsetfootoncompletedsetfootoncompletewildcooperatehumanbeingcancellaunchRightnow,China’sYutu2roverisstillexploringthemoon,andChang’e8_______________soon.Itishopedthatmoonbaseswillbebuiltinthenearfuturesothatscientistscan_________anddomoreresearchthere.Intime,itseemspossiblethatthe_________dreamofvisitingotherplanetswillalsocometrue.willbelaunchedcooperatewild3aReadaboutoneteenageMySpaceDreamMyspacedreamisthatonedayaspacestationwillbebuiltonthemoon.Ibelievetherearequiteafewbenefits.表语从句，作is的表语quiteafew“相当多；不少”，后接可数名词复数，用于修饰数量较多的事物。First,itwillbeagoodplaceforscientiststocooperateanddospaceresearchtogether.Newtechnologiescanbedeveloped,tested,andoperatedthere.ThesetechnologiescanthenbeusedtohelpbuildstationsonMarsandotherplanets.beusedtodosth被用来做某事Second,moreresourceswillbefound.IthinkthemoonmayhavesomespecialkindofenergyresourcesthatcanbeusefultoEarth.Itjusttakestimeforscientiststofindit.Ittakestimeforsbtodosth“对某人来说做某事需要时间”，是固定句型，其中“It”作形式主语，真正的主语是后面的“todosth”结构。Third,peoplemayliveandworkthere.Touristswillalsobeabletovisit.Iwanttobeoneofthefirstvisitors.Ihopethatonedaywehumanscanspendholidaysinspaceandexploretheuniverse.beableto“能够”，后接动词原形，用于表达具备做某事的能力。Humanshaveachievedmanythingsthatwereonceonlydreams.Ihopethespacestationonthemoonwillbebuiltinthenearfuture,andIhopeitwillhappenduringmylifetime.定语从句，修饰先行词manythingsduringone’slifetime在某人的一生中Aspacestationwillbebuiltonthemoononeday.Reason1:Scientistscancooperateanddoresearchthere,withnewtechnologieshelpingbuildstationsonotherplanets.Reason2:S