高级英语视听说上册听力原文文档格式.docx
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高级英语视听说上册听力原文文档格式.docx
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sspaceship.Ittook63minutestoreachthelaunchaltitudeof47,000feet.Oncethere,theWhiteKnightcrewpreparedtoreleasethespaceship.
ThefierceaccelerationslammedMikeMelvill,thepilot,backinhisseat.HeputSpaceShipOneintoanearverticaltrajectory,until,asplanned,thefuelranout.
Stillclimbinglikeaspentbullet,Melvillhopedtogainasmuchaltitudeaspossibletoreachspacebeforetheshipbeganfallingbacktoearth.
Bythetimethespaceshipreachedtheendofitsclimb,itwas22milesoffcourse.Butithad,justbarely,reachedanaltitudeofjustover62miles—theinternationallyrecognizedboundaryofspace.
ItwasthenewsRutanhadbeenwaitingfor.FallingbacktoEarthfromanaltitudeof62miles,SpaceShipOne'
stiltingwing,arevolutionaryinnovationcalledthefeather,causedtherocketplanetopositionitselfforarelativelybenignre-entryandturnedthespaceshipintoaglider.
SpaceShipOneglidedtoaflawlesslandingbeforeacrowdofthousands.
AfterthatJuneflight,IfeltlikeIwasfloatingaroundandjustonceinawhiletouchingtheground,"
remembersRutan."
Wehadanoperablespaceplane."
Rutan'
s"
operablespaceplane"
wasbuiltbyacompanywithonly130employeesatacostofjust$25million.Hebelieveshissuccesshasendedthegovernment'
smonopolyonspacetravel,andopenedituptotheordinarycitizen.
Iconcludedthatforaffordabletraveltohappen,thelittleguyhadtodoitbecausehehadtheincentiveforabusiness,"
DoesRutanviewthisasabusinessventureoratechnologicalchallenge?
It'
satechnologicalchallengefirst.Andit'
sadreamIhadwhenIwas12,"
hesays.
Rutanstartedbuildingmodelairplaneswhenhewassevenyearsold,inDyenuba,
Calif.,wherehegrewup.
Iwasfascinatedbyputtingbalsawoodtogetherandseehowitwouldfly,"
heremembers."
AndwhenIstartedhavingthecapabilitytodocontestsandactuallywinatrophybymakingabettermodel,thenIwashooked."
He'
sbeenhookedeversince.Hedesignedhisfirstairplanein1968andflewitfouryearslater.Sincethenhisairplaneshavebecomeknownfortheirstunninglooks,innovativedesignandtechnologicalsophistication.
Rutanbegandesigningaspaceshipnearlyadecadeago,aftersettingupsetuphisownaeronauticalresearchanddesignfirm.Bytheyear2000,hehadturnedhisdesignsintomodelsandwastestingthemoutsidehisoffice.
WhenIgottothepointthatIknewthatIcouldmakeasafespaceshipthatwouldflyamannedspacemission--whenIsay,'
I,'
notthegovernment,ourlittleteam--ItoldPaulAllen,'
Ithinkwecandothis.'
Andheimmediatelysaid,'
Gowithit.'
PaulAllenco-foundedMicrosoftandisoneoftherichestmenintheworld.Hisdecisiontopump$25millionintoRutan'
scompany,ScaledComposites,wasthevoteofconfidencethathisengineersneededtoproceed.
Thatwasaheckofachallengetoputinfrontofsomepeoplelikeus,wherewe'
retold,'
Well,youcan'
tdothat.Youwannasee?
Wecandothis,"
saysPeteSebold.
WorkonWhiteKnightandSpaceShipOnestartedfouryearsagoinsecret.Bothaircraftwerecustommadefromscratchbyateamof12engineersusinglayersoftoughcarbonfabricgluedtogetherwithepoxy.Designedtobelight-weight,SpaceShipOnecanwithstandthestressofre-entrybecauseoftheradicalwayitcomesbackintotheatmosphere,likeabadmintonshuttlecockorabirdie.
Heshowed60Minuteshowitworks.
Featheringthewingiskindofadramaticthing,inthatitchangesthewholeconfigurationoftheairplane,"
heexplains."
Andthisisdoneinspace,okay?
It'
sdoneafteryouflyintospace."
Wehavedonesixreentries.Threeofthemfromspaceandthreeofthemfromloweraltitudes.Andsomeofthemhaveevencomedownupsidedown.Andtheairplanebyitselfstraightensitselfrightup,"
Rutanexplains.
BySeptember2004,Rutanwasreadyforhisnextchallenge:
anattempttowina$10millionprizetobethefirsttoflyaprivatelyfundedspacecraftintospace,anddoittwiceintwoweeks.
AfterwehadflowntheJuneflight,andwehadreachedthegoalofourprogram,thenthemostimportantthingwastowinthatprize,"
ThatprizewastheAnsariXPrize–anextraordinarycompetitioncreatedin1996tostimulateprivateinvestmentinspace.
Thefirstofthetwoflightswaspiloted,onceagain,byMikeMelvill.
September'
sflightputMelville'
sskillandtrainingtothetest.Ashewasclimbingoutoftheatmosphere,thespacecraftsuddenlywentintoaseriesofrolls.
Howconcernedwashe?
Well,IthoughtIcouldworkitout.I'
mveryconfidentwhenI'
mflyingaplanewhenI'
vegotthecontrolsinmyhand.IalwaysbelievedIcanfixthisnomatterhowbaditgets,"
saysMelville.
SpaceShipOnerolled29timesbeforeheregainedcontrol.Theremainderoftheflightwaswithoutincident,andMelvillmadethe20-minuteglidebacktotheMojaveairport.ThelandingonthatSeptemberafternoonwasflawless.
BecauseRutanwantedtoattemptthesecondrequiredflightjustfourdayslater,theengineershadlittletimetofindoutwhathadgonewrong.Working12-hourshifts,theydiscoveredtheydidn'
tneedtofixthespacecraft,justthewayinwhichthepilotsflewit.
Forthesecondflight,itwastestpilotBrianBinnie'
sturntoflySpaceShipOne.
Thespaceshipflewupwardonaperfecttrajectory,breakingthroughtospace.
sSpaceShipOnehadflowntospacetwiceintwoweeks,capturedtheXPrizeworth$10million,andwonbraggingrightsoverthespaceestablishment.
YouknowIwaswonderingwhattheyarefeeling,'
They'
beingthatotherspaceagency,"
Rutansayslaughing."
Youknow,quitefrankly,Ithinkthebigguys,theBoeings,theLockheeds,thenay-saypeopleatHouston,Ithinkthey'
relookingateachothernowandsaying'
We'
rescrewed!
'
Because,I'
lltellyousomething,Ihaveahellofalotbiggergoalthantheydo!
Theastronautssaythatthemostexcitingexperienceisfloatingaroundinaspacesuit,"
saysRutan,showingoffhisownplans."
ButIdon'
tagree.Aspacesuitisanawfulthing.Itconstrainsyouandithasnoisyfansrunning.Nowlookoverhere.It'
squiet.Andyou'
reoutherewatchingtheworldgobyinwhatyoumightcalla'
spiritualdome.'
Well,that,tome,isbetterthanaspacesuitbecauseyou'
renotconstrained."
Healsohasavisionforaresorthotelinspace,andsaysitallcouldbeaccomplishedintheforeseeablefuture.Rutanbelievesitisthedawnofanewera.
Heexplains,"
Ithinkwe'
veprovennowthatthesmallguyscanbuildaspaceshipandgotospace.Andnotonlythat,we'
veconvincedarichguy,averyrichguy,tocometothiscountryandbuildaspaceprogramtotakeeverydaypeopletospace."
That"
richguy"
isRichardBranson,theEnglishbillionairewhoownsVirginAtlanticAirlines.Bransonhassigneda$120milliondealwithRutantobuildfivespaceshipsforpayingcustomers.Named"
VirginGalactic,"
itwillbetheworld'
sfirst"
spaceline."
Flightsareexpectedtobeginin2008.
Webelievebyflyingtensofthousandsofpeopletospace,andmakingthataprofitablebusiness,thatthatwillleadintoaffordableorbitaltravel,"
Rutanthinksthere"
absolutely"
isamarketforthis.
Withticketsinitiallygoingfor$200,000,themarketislimited.Nevertheless,VirginGalacticsays38,000peoplehaveputdownadepositforaseat,and90ofthosehavepaidthefull$200,000.
ButRutanhasanothervision."
Thegoalisaffordabletravelabovelow-Earthorbit.Inotherwords,affordabletravelforustogotothemoon.Affordabletravel.ThatmeansnotjustNASAastronauts,butthousandsofpeoplebeingabletogotothemoon,"
hesays."
I'
dliketogo.Wouldn'
tyou?
ByHarryRadliffe
United3
For300years,theseahasbeenclosinginonNewOrleans.Asthecoastalerosioncontinues,itisestimatedthecitywillbeoffshorein90years.Eveningoodweather,NewOrleansissinking.AsthecitybeginswhatislikelytobethebiggestdemolitionprojectinU.S.history,thequestionis,canweorshouldweputNewOrleansbacktogetheragain?
LifehasbeenreturningtohighanddrylandonBourbonStreet,buttofindthemonumentalchallengefacingthecityyouhavetovisitneighborhoodsyouhaveneverheardof.OnLizardiStreet,60Min
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