小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com课时作业(四)Unit2SectionⅠWelcometotheunit&ReadingⅠ.阅读理解ALookingforatrueoutofthisworldvacation?Thenyouareinluck!TexasbasedstartupOrionSpanannouncedtheyweretakingreservationsforAurora(极光)Station,theworld'sfirstluxuryhotelinspace.Thepillshapedspacestationwillmeasure43.5feetlongand14.1feetwide—aboutthesizeofalargeprivatejet'scabin—whencompleted.Itwillaccommodatefourguestsintwoprivatesuitesandtwocrewmembers,mostlikelyformerastronauts.Hoveringabout200milesabovetheEarth,AuroraStationwillcircletheplanetonceevery90minutes,enablinggueststoenjoy16spectacularsunrisesandsunsetsdaily,aswellasscoresofthebreathtakingnorthernandsouthernaurorasthatthehotelisnamedafter.Whileadmiringthebeautyofourplanet,touristscanhavenonastronautfoodanddrinksorentertainthemselveswithplayingcards.Thosehopingtodosomethingmoreworthwhilewillbeabletoengageinastronautlikeexperimentssuchasgrowingfoodinaspecialenvironment.TheWiFienabledspacecraftwillmakeiteasyforgueststosharetheirexperienceswithfriendsandfamilymembersonEarth.Attheendoftheweekandhalflongvacation,returningguestswillbetreatedtoaspecial“hero'swelcome”，similartotheoneexperiencedbyastronautsreturningfromarealmission.Beforetheonceinalifetimetrip,guestswillhavetoundergoathreemonthspecialtraininglearninghowtomoveinaweightlessenvironment,alongwiththebasicsofspaceflightandorbitalmechanics.Also,beforeyoustartpackingyourbags,youwillhavetopay$9.5millionforthe12dayroundtripvacation.Whileseveralcompaniesareplanningtobuildhotelsinspace,OrionSpanhopestotransformsectionsofusedrocketsfloatinginspaceintohotelrooms,insteadofcrowdingthealreadymessyskieswithadditionalmanmadeobjects.1．WhatcanwelearnaboutAuroraStation?A．Peoplecanvisititnow.B．Itsconstructionwilllastforabout5years.C．Itcanonlyholdfourpeople.D．Itlookslikeapillaboutthesizeofalargeplane.2．WhyisthespacehotelnamedAuroraStation?A．GuestscanenjoyspectacularaurorasoftheEarth.B．Thestationwillgiveoffauroraswhiletravelling.C．ThestationwillrunroundtheaurorasoftheEarth.D．ThehotelislitupbytheaurorasoftheEarth.3．Whatcanguestsdoinaspacehotel?A．Staythereaslongastheylike.B．Cookmealsastheydoathome.C．Communicatewiththeirfamily.小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.comD．Receiveawelcomeasarealhero.4．Whatcanbeinferredfromthelastparagraph?A．ThereislittleroomforpeopletoliveonEarth.B．Toomanyspacecraftshavearousedpeople'sconcern.C．Spacehotelswillbenecessaryinthenearfuture.D．Usedrocketsfloatinginspaceareeasytoberecycled.BSpaceX'sfirsteverpassengerflighttotheInternationalSpaceStation(ISS)endedsuccessfullyonAugust2，2020,whenCrewDragonEndeavourlandedintotheGulfofMexico.Afteraseriesofsafetychecks,therecoveryteamunlockedthecapsule'shatch(舱门)andmovedNASAastronautsBobBehnkenandDougHurleytoshore.Duringtheirtotal64daysinspace,theycompleted1，024orbitsaroundtheEarthandtraveled27，147，284miles.InapressconferencetheastronautsdescribedthecrucialfinalminutesofthehistoricmissionwhenCrewDragonfireditsrocketpushertoslowitsdescentforreentryintotheouteratmosphere.“Itcamealive，”Behnkentoldofthe12minutepusherburn.“Itsoundslikeananimalcomingthroughtheatmosphere.”Hurleytoldreportersthatfollowingthesuccessfullanding,theastronautshadtocompleteonefinaltask—“makingsatellitephonecallstowhoeverwecangetaholdof”.Thescientis...