高三一轮复习第十八套8Units12单元训练B卷英语 解析版.docx
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高三一轮复习第十八套8Units12单元训练B卷英语 解析版.docx
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高三一轮复习第十八套8Units12单元训练B卷英语解析版
第Ⅰ卷
第一部分听力(共两节,满分30分)略
第二部分阅读理解(共两节,满分40分)
第一节(共15小题;每小题2分,满分30分)
阅读下列短文,从每题所给的四个选项(A、B、C和D)中选出最佳选项,并在答题卡上将该项涂黑。
A
UrbanTransportationinCanada
Publictransportation&Transitpasses
AllcitiesandmostmajortownsinCanadahaveapublictransportationsystemwithoneormoremodesoftransportation(bus,subway,train,etc.).ThebusisthemostcommonformofurbantransportationinCanada.Tousepublictransportation,youmustpurchaseaticketoratransitpass.Transitpassesallowyouunlimiteduseofpublictransportationforaspecificperiod(onemonthormore).Theyareusuallycheaperthanbuyingmanyticketsifyouplantousepublictransportationoften.
Transportationforpeoplewithdisabilities
Publictransportationoftenhasfeaturestoassistpeoplewithdisabilities.Inmanycitiesandtowns,therearealsotransportationservicesavailablespecificallyforpeoplewithlimitedmobility,suchasspeciallyequippedbuses.Youcanfindoutabouttheseservicesinthesamewayyouwouldlearnmoreaboutotherpublictransportationoptions.
Etiquetteonpublictransportation
Whentakingpublictransportationsuchasabusortrain,itisimportanttounderstandtheunspokenrulesofconductinthesharedspace.Hereareafewthingstonote:
◆Bepoliteandrespectfultoothersaroundyou.Forexample,maintainanappropriatenoiselevelwhentalkingormakingaphonecall.
◆Ifyouarecarryingabackpackoralargeshoulderbaginacrowdedpublictransitvehicle,keepitclosetoyou,preferablyatyourfeettoavoidhittingpeoplewithitasyouwalkby.
◆Avoidpushingortouchingothersinordertomakemoreroomforyourself.Sometimespublictransitcanbecomeverycrowded,butitisimportanttokeepcalmandgiveothersappropriatepersonalspace.
◆Haveyourproofofpaymentaccessibleincaseyouareaskedtoshowit.
21.Whatistheadvantagesofusingtransitpassesoverbuyingtickets?
A.Lowercosts.B.Safertrips.
C.Longerservicehours.D.Moreuseoftransport.
22.Howdoesthetransportationsystemhelppeoplewithdisabilities?
A.Byofferingfewertransportationoptions.
B.Byrunningspecialtransportservices.
C.Bylimitingtheirmobilityoncitybuses.
D.Byprovidingfreeridesintownsandcities.
23.Whatisconsideredimpoliteonpublictransportation?
A.Loweringyourspeakingvoice.B.Placingbackpacksatyourfeet.
C.Havingyourproofofpaymentathand.D.Stayingclosetootherpassengers.
B
Itwasacoldwinter.Thewindblewallnightandthesnowwasblinding.Whenmorningcame,mythreechildrenandIgotupandmadeourwaytothewindows.Aswelookedoutofthewindow,wesawthatthehenhousewasgone.Ourthreehenshadbeenblownawaybythecoldwind.
Ilookedattheemptinessoutside.ThenIsawallthreechickenssittingaroundtheedgeofawhitebucket.Icouldn’tbelievemyeyes!
Howwasthisviolentwindnotblowingthemintothefieldbeyond?
Iquicklypulledonlongsnowpantsandheavywintercoat,wrappedascarfaroundmyneckandstuckmyfeetintolargeboots.
Ishoutedatthewindasitblew.Iwasalone,strugglinginthesnow.Theystaredoutthewindowintothevastwhiteseaofsnow,peeringatanysignofmovement.OutsideIheardthesoundofmybootsasIwalkedagainstthewind.
Asthesnowcircledaroundme,Isteadilymademywaytothesoftcluck-cluck-clucksoundmyhensalwaysmade.WhenIreachedthem,Isawthattheirlittlefeetwereholdingontotheedgeofthebucket,headsbentforwardandawayfromthewind.Igentlyliftedeachhenandputitcarefullyintothewarminside.ThenIbeganthefreezingwalkbacktothesmallsheddirectlybehindourhouse.OnebyoneIlaidmychickensonthecoldfloor,andtheybegantoclucksoftly.
AsIshutthesheddoors,myeyeswentdirectlytothewindowwheremychildrenwerewatching.Theyjumpedupanddowncheering,andsodidI!
Iwasn’tsomedragonslayer(屠龙者)fromafairytale.Iwassimplyamom,butthelookonmychildren’sfacestoldmethattheythoughtIwasaheromom.
24.Seeingallthreechickenssittingaroundthebucket,theauthorfelt?
A.worried.B.incredible.C.shy.D.confident.
25.Fromthestory,weknowthat.
A.theauthor’schildrenlikeddragonslayers.
B.theauthorenjoyedherselfinthesnow.
C.theauthorstruggledtobeahero.
D.thechildrenwatchedtheirmotheralltheway.
26.Howdoestheauthorreachthehens?
A.Byfollowingthesoundofthehens.B.Bywearingprotectiveclothes.
C.Bysearchingforthewhitebucket.D.Byshoutingatthehenhouse.
27.Whatmightbethebesttitleforthetext?
A.Weatherinextreme.B.Hensintrouble.
C.Kindnessinneed.D.Herointhesnow.
C
CHICAGO(Reuters)—Smokingnotonlycanwrinkle(皱纹)thefaceandturnityellow—itcandothesametothewholebody,researchersreportedonMonday.
Thestudy,publishedintheArchivesofDermatology,showsthatsmokingaffectstheskinalloverthebody-evenskinprotectedfromthesun.
“Weexaminednon-facialskinthatwasprotectedfromthesun,andfoundthatthetotalnumberofpacks,ofcigarettesmokedperdayandthetotalyearsapersonhassmokedwerelinkedwiththeamountofskindamageapersonexperienced.”Dr.Yolanda,wholedthestudy,saidinastatement.
“Inparticipantsolderthan65years,smokershadsignificantlymorefinewrinklingthannonsmokers.Similarfindingswereseeninparticipantsaged45to65years.”Yolanda’steamaddedintheirreport.
Theresearcherstested82people,smokersandnonsmokers,takingpicturesoftheinnerrightarms.Theyranged,inagefrom22to91andhalfweresmokers.Independentjudgesdecidedhowwrinkledeachperson’sskinwas.
Whenskinisexposedtosunlight,especiallytheface,itbecomescoarse(粗糙的).Wrinkledanddiscoloredwithapaleyellowtint,Yolanda’steamwrote.
Severalpreviousstudieshavefoundthatcigarettesmokingledtopremature(过早的)skinagingasmeasuredbyfacialwrinkles,thestudysaid,butlittlehasbeendonetomeasuretheagingofskinnotexposedtolight.
Thereportdidnotdiscussdiemechanisminvolvedbutpreviousresearchhasfoundthatcigarettesmoke,amongotherthings,causesbloodvessels(血管)beneaththeskintoconstrict(紧缩),reducingbloodsupplytotheskin.
Smokingcanalsodamagetheconnectivetissue(组织)thatsupportsbothdieskinandtheinternalorgans.
28.Itcanbeinferredfromthestudy.
A.smokingwon’taffectskinprotectedfromthesun
B.smokingwilldodamagetoskinratherthanotherorgans
C.smokersover65usuallywon’tworryabouttheirskin
D.theageofsmokersisnotconnected,withtheresultofthetest
29.Whenyourskinisexposedtosunlightlong,itbecomesallofthefollowingbut.
A.flexibleB.coarseC.roughD.discolored
30.Accordingtothepassage,howwrinkledaperson’sskinisdoesn’trelateto.
A.thenumberofcigarettesapersonsmokesB.thekindandcharacteristicsofskin
C.howlongapersonsmokesD.howlongskinisundersunlight
31.Themainpurposeofthepassageisto.
A.informpeopleaboutthestudyofskinB.advisepeoplehowtoprotectskin
C.warnpeoplenottosmokeagainD.introduceanewwayofavoidskinaging
D
Untilrecently,voicecloning—orvoicebanking,asitwasthenknown—wasacustomizedindustrywhichservedthoseatriskoflosingthepowerofspeechtocancerorsurgery.Synthesizing(合成)avoicewasalongandexpensiveprocess.Itmeantrecordingmanyphrases,eachspokenmanytimes,withdifferentthehistoryoftheKidPassblogemotionalemphases(重音)andindifferentcontexts(statement,question,commandandsoforth),inordertocoverallpossiblepronunciations.Avoice-bankingcompanyoftenchargesalotandrequiresaspeakertospenddaysinasoundstudio.
Notanymore.Softwareexiststhatcanstorepiecesofrecordedspeechwhichismerelyfivemillisecondslong,eachmarkedwithaprecisepitch(音高).Thesecanbeputtogethertomakenewwords,andadjustedindividuallysothattheyfitharmoniouslyintotheirnewsonichomes.Thisismuchcheaperthanconventionalvoicebanking,andpermitsnovelusestobedeveloped.
ThisyearVivoTextplanstoreleaseanappthatletsusersselecttheemphasis,speedandlevelofhappinessorsadnesswithwhichindividualwordsandphrasesareproduced.Mr.Silbertreferstotheemotivequalityofthehumanvoiceas“theultimateinstrument”.Yetthispoweralsotroubleshim.VivoTextlicensesitssoftwaretoHasbro,anAmericantoymakerkeentosellincreasinglyinteractiveplaythings.Hasbroisaware,Mr.Silbertnotes,thatwithoutsafeguardsanaughtychildmight,forexample,typeimpolitewordsonhismother’ssmartphoneinordertoseeayoungersiblingburstintotearsonhearingthemspokenbyatoyusingmum’svoice.
Moretroubling,whentestedagainstvoice-biometricssoftwarelikethatusedbymanybankstoblockunauthorizedaccesstoaccounts,morethan80%ofthefakevoicestrickedthecomputer.AlanBlack,oneofFestvox’sdevelopers,thinkssystemsthatrelyonvoice-IDsoftwarearenow“deeply,fundamentallyinsecure”.
Dr.Saxenaandhiscolleaguesaskedvolunteersifavoicesamplebelongedtoapersonwhoserealspeechtheyhadjustlistenedtoforabout90seconds.Thevolunteersrecognizedclonedspeechassuchonlyhalfthetime(ie,nobetterthanchance).Theoutcome,accordingtoGeorgePapcun,anexpertwitnesspaidtodetectfakerecordingsproducedasevidenceincourt,istheappearanceofatechnologywith“enormouspotentialvaluefordisinformation”.
Asmightbeexpected,countermeasurestorecognizesuchdeception(欺骗)arebeingdeveloped.
NuanceCommunications,amakerofvoice-activatedsoftware,isworkingonalgorithms(算法)thatdetecttinyskipsinfrequencyatt
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