外研版英语选修八module5课文原文文档格式.docx
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外研版英语选修八module5课文原文文档格式.docx
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【READINGANDVOCABULARY】
Space:
theFinalFrontier
[Part1]
EversinceNeilArmstrongfirstsetfootontheMoonbackon21stJuly,1969,peoplehavebecomeaccustomedtotheideaofspacetravel.Millionsofpeoplewatchedthatfirstmoonlandingontelevision,theirheartsintheirmouths,awareofhowdifficultanddangerousanadventureitwas,andwhatriskshadtobetaken.WithArmstrong`snowfamouswords:
“That`sonesmallstepforman,onegiantleapformankind”,adreamwasachieved.AllthreeastronautsmadeitsafelybacktoEarth,usingaspaceshipcomputerthatwasmuchlesspowerfulthantheonesusedbytheaverageschoolstudentstoday.
Therewereseveralmorejourneysintospaceoverthenextfewyearsbutthesinglespaceshipswereveryexpensiveastheycouldnottakeoffmorethanonce.PeoplewerenolongersoenthusiasticaboutapeacetravelprogrammethatwascostingtheUnitedStates$10millionaday.Thatwasuntilthearrivalofthespaceshuttle——aspacecraftthatcouldbeusedforseveraljourneys.ThefirstshuttlefightintospacewastheColumbia——launchedfromtheKennedySpaceCentreon12thApril,1981,.Theaimofthisflightwastotestthenewshuttlesystem,togosafelyupintoorbitandtoreturntotheEarthforasafelanding.ItwasasuccessandalittlemorethanadecadeafterApollo11`shistoricvoyage,theColumbiamadeasafe,controlled,aeroplane-stylelandinginCalifornia.Thiswasthestartofanewageofspacetravel.
BythetimetheChallengertookoffin1986,theworldseemedtohavelostitsfearandwonderattheamazingachievementofpeoplegoingtobeaspecialflightandsomillionsofpeopleturnedintowitnessthetake-offonTV.Anordinaryteacher,ChristaMcAuliffe,37,whowasmarriedwithtwochildren,wastobethefirstcivilianinspace.Shewasgoingtogivetwofifteen-minutelessonsfromspace.Thefirstwastoshowthecontrolsofthespacecraftandexplainhowgravityworked.ThesecondwastodescribetheaimoftheChallengerspaceprogramme.Christahopedtocommunicateasenseofexcitementandcreatenewinterestinthespaceprogramme.
Sadly,shenevercamebacktoherclassroomagain,astheshuttleexplodedjustoveraminuteaftertakingoffinFloridaandallsevenastronautswerekilled.
Theworldwasinshock——maybetheyassumedthisspaceflightwouldbenomoredangerousthangettingonanaeroplane.Buthowwrongtheywere——inonemomentexcitementandsuccessturnedintofearanddisaster.Itwastheworstspaceaccidentever.AsoneRussiansaidatthetime,“WhensomethinglikethishappensweareneitherRussiansnorAmericans.Wearejusthumanbeingwhohavethesamefeelings.”
[Part2]
Icanrememberthatdaysoclearly,watchingthetake-offonTVatschool.TherewasanordinaryteacherontheChallenger,andwewereallveryexcited.Wedidn`thavemuchpatiencewaitingforthelaunch.Wehadseenthesmilingfacesoftheastronautswavingtotheworldastheysteppedintotheshuttle.Then,littlemorethanaminuteaftertake-off,wesawastrangeredandorangelightinthesky,followedbyacloudofwhitesmoke.TheChallengerhadexplodedinmid-airandweallstartedscreaming.
IthappenedsoquicklyandeveryonewasschoolboyIhadthoughtthatgoingintospaceasanastronautmustbethebestjobintheworld.WhenIheard,afewweekslater,thatthebodiesoftheastronautandeventheteacher`slessonplanshadbeenfoundatthebottomoftheocean,Iwasnotsosureitwasworthitatall.Inspiteofallouradvancedtechnology,theworldisstillonlyattheverybeginningofitsvoyageintospace.
【READINHANDVOCABULARY】
SecretsoftheGasGiant
TheCassini-Huygensspaceprobe,whichreachedSaturnlastweek,hassentbankamazingphotographsoftheplanet`sfamousringsviewedinultravioletlight.Thepicturesshowtheminshadesofblue,greenandred.Thedifferentcoloursshoeexactlywhattheringsaremadeof:
theredmeanstheringcontainstinypiecesofrockandtheblueandgreenislikelytobeamixtureofwaterandfrozengases.Saturnitselfismadeofgases.Itissolightanditcouldfloatonwater——ifabigenoughoceancouldbefound!
Theprobeisaninternationalprojecttoexploretheplanetanditsringsandmoons.Itwaslaunchedin1997anditsmissionwastoexplorethe“gasgiant”planetwhichisthefurthestplanettobeseenfromtheEarthwithoutatelescope.
Scientistsaysthespacecraft`sfour-yeartourofSaturnmaytellthemhowtheringsareformed.Itwillalsostudytheplanet`satmosphereandmagneticfield.
TheporbehassentbackpicturesofsomeofSaturn`smoon,includingtinyPhoebe,whichhasastrangeshape——unlikeotherplanetsandtheirmoons,itisnotperfectlyround——andSaturn`sbiggestmoon,Titan,whichisbelievedtobetheonlybodyinthesolars
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