名校版高考英語(yǔ)綜合訓(xùn)練題含答案Acarweighingonlyafewhundredpoundscantravel500milesperhour,repairitselfandcostlessthanothercars.ltmightbehardtoimaginesuchacar,letaloneaspaceship.ButNASAistryingtomakeaspaceshipthatismuchbetterthanotherships.Thespacecrafthastobeaslightasitcanbe.Weightcostsmoney!Anewdiscoverymightallowaspacecrafttobelighter.Anewmaterialcalleda"carbonnanotube（碳納米管）"mightbetheanswertotheweightproblemofbuildingasuperspaceship.Thismaterialis600timesstrongerthansteel.Oneofthebigproblemswithspacetravelisspaceradiation.Inspace,astronautsneedprotectionagainstharmfulrays.Youmightthinkthatthemetalonaspaceshipistheanswer.But,metalsaretheworstforprotectingagainstverydangerousspacerays.Theseraysaremadeoflittlepiecescalledions（離子）.Whentheionshitmetalsatveryhighspeed,theycanbreakanatomandcauseanothertypeofraytoform.Thesenewrayscanbeworsethantheradiationthemetalskinsweresupposedtostop.Thus,itisveryimportanttoblocktheserays.Butwecouldusecarbonnanotubestomaketheskinsofthespacecraft.Thingsthatarelightinweightseemtoworkthebestagainsttheseions.Theraysarestoppedoutsidethespacecraftandnewraysaren'tmade.Inaddition,oursuperspaceshipneedstobeabletorepairitself.Humanscanfeelthesmallestprods（刺）becauseoftinysensorsthatsendsignalstoourbrains.Tinysensorslikeourscouldbebuiltinthenewships.Eachsensorcouldsendmessagestothecomputer“brain“ofthespacecraft.Ifsomethingneededtobefixed,thecomputercouldtelltheshiptodoit.Justasamazingasacarwouldbetosomeone200yearsago,ournanotubespaceshipmightseemtous.Wemightactuallymakethespacecraftoftomorrow,usingthetechnologyoftoday..Whatarethefeaturesofcarbonnanotubes?A.Lightandstrong.B.Thinandradioactive.C.Selfrepairingandweightless.D.Sensitiveandprotective..WhichofthefollowingstatementsisTRUE?A.Spaceradiationcan'tbeblockedatall.B.Spacerayscanbreakionstoformnewrays.C.Carbonnanotubescanpreventradiationeffectively.D.Metalskinsaren'tagoodchoicefortheirstrength..Whywilltinysensorsbebuiltintothenewspaceship?A.Humanscanfeelthesmallestprods.B.Thecomputer“brain“canrepairitself.C.Signalscanbesenttohumans'brains.D.Thecomputercanbeinformedofwhattorepair..What'sthebesttitleofthepassage?A.ANewDiscoveryinSpaceB.NASAMadeaBreakthroughC.NanotubesHelptoRepairSpacecraftD.NASA'sAttempttoMakeaSuperSpaceshipACDDGooglehasannouncedplanstostopsupportingtoolsdesignedtofollowInternetusersacrosstheWebinordertotargetthemwithspecificadvertising.Suchtoolsareknownascookies—smalldatafilesthatarestoredonanInternetuser'scomputerastheybrowse（瀏覽）differentwebsites.Thisdatacanbereadbywebserverstoidentifywebbrowsingbehaviorsoftheuser.Cookiesmakeitpossibleforuserstoavoidhavingtorepeatedlyentertheirusernamesandpasswordstogetaccesstowebsitestheyuseoften.Buttheuseofcookiesraisesmajorprivacyconcerns,withcriticssayingauser'sbrowsinghistoryshouldnotberecordedjusttotargetthemwithads.Googleannouncedin2020ithaddecided"toremovesupportforthirdpartycookies"fromitsChromebrowser.Inanotheronlineannouncement,Googlerepeatedthispromise,sayingitwillnotbuildnewtoolstoreplacecurrentcookietechnology.Inexplainingitsdecision,GooglereferredtoaPewResearchstudythatfound72percentofAmericansfeelthatalmostallofwhattheydoonlineistrackedbyadvertisers.Google'sdecisiontoremovethirdpartycookiesalsofollowedincreasingeffortstoprotectprivacyinEuropeandtheUnitedStates.GooglesaidthecurrentInternetadvertisingmodelneedstochangetoanswer“thegrowingconcernspeoplehaveabouttheirprivacyandhowtheirpersonalidentityisbeingused".InJanuary,however,Google'splanwasquestionedbyBritishcompetitionregulators.Thecountry'sCompetitionandMarketsAuthorityannouncedithadlaunchedaninvestigationintowhetherthechangeswouldgiveGoogleanunfairadvantageovercompetitorsinInternetadvertising.TheagencysaiditreceivedobjectionstotheplanfromMarketersforanOpenWeb,aleagueoftechnologyandpublishingcompanies.ThegroupaccusesGoogleof"abusingitsdominantposition"byattemptingtocreateanewadvertisingmodel.Initslateststatement,Googlesaid,“WewillnotbuildalternateidentifierstotrackindividualsastheybrowseacrosstheWeb,norwillweusetheminourproducts/71.Accordingtothetext,whatdoyouknowaboutcookies?A.Cookiesareinconvenientforwebusers.B.Theusersshouldrepeattheirpasswordstoenterwebsites.C.Googleusescookiestomonitorthewebusers'privatelife.D.Thetracksofthewebuserscanbefollowedbythewebservers..WhydidGooglemakethedecision?A.Touseanalternativetool.B.Togetmorepersonalinformation.C.Torespondtoconcernsaboutprivacy.D.TocreateafairInternetadvertisingplatform..Whatdoestheinvestigationshowus?A.ItwasorganizedbyanagencyoftheUS.B.Allpeopledon'tacceptGoogle'splan.C.GooglehasthebiggestadvantagesontheInternet.D.Ma