2020屆成都市第十七中學(xué)高三英語下學(xué)期期末試題及答案解析

都市七中高三下學(xué)期析第一部分共兩節(jié)，滿分分）第一節(jié)（共小題；每小題分，滿分分）閱讀下列短文從每題給的B、、四個選項出選AWhileJenniferattakingonlineexambusinessa（器afewawaywaswatchingeverymove.UsingacamerainJennifer'sLosAngelesapartment,theinPhoenixtrackedhowfrequentlycomputerandlistenedthesecretsoundsapossibletheHerInternetaccesswasremotelytoInternetsearches,hertypingstyletosuresheshesaidshewas:Didsheenterherstudentnumberatthesamespeedasshehadinthepast？slowingInbattleagainstcheating,thisisthecuttingedgeandakeytoencouragehonestyintheboomingfieldoftechnologythetheinstitutionandtoeducationinwithcanuniversitiesshowanddiplomasarevalid—thatstudentshaven'tsearchedtheInternettheAlthoughonlineclassesexistedtheconcernovercheatingbecomesharperinlastwiththegrowthof"openonlinePrivatecolleges,publicandareintotheonlineeducationfield,spendingofdollarsattractpotentialwhilealsotakingstepstohelpguaranteeadistance.fromwebanumberofotherhigh-techmethodsarebecomingAmongthemthatcheckstudents’usingpersonalinformation,asthetelephoneprogramscanproduceuniqueexamsaofquestionsandcanpossiblebydifficultareatthesamespeedaseasyAsinmanyuniversityclasses,termpapersagainstlargeInternetbanksforcheating.1.WhywasJenniferwatchedinonlineexam?typingTofindsecretsintheroom.keepfromdishonestD.preventherslowingdown.2.Whattheunderlinedexpression"cuttingedge"inParagraph3probablymean?A.tooladvancedC.effectiveruleD.dividing3.cansomefindpossiblecheaters?ByscanningtheInternettestquestions.Bythequestionansweringspeed.Byofquestions.Bygivingdifficulttestquestions.Bproventobehospitals,to.Andanartificialintelligencesystemtoheartbeats.Usingtechnologyremotelyratesisn'tThesemostsmartwatchesandfitnesstrackersarecapableofit.Thegoodthingisthatresearchershavefiguredwaytothesmartspeakersdoitwithoutrequiringphysicalcontact.InastudypublishedinCommunicationsBiology,theresearchershadthesmartspeakerssendsignalsthatcouldn'tbeheardthenaperson'sthensignalstoidentifysmallwallrelatedtoheartbeats,asasseparatethosesignalsnoiseandbreathing.Forparticularofsetup,theon26healthy24withvariousheartconditions,（心房顫動heartInbothcases,thewaswithin-30millisecondsofanECG（電圖,thestandardhospitalstodiscoverarrhythmia（心律不齊）smartwatcheswithadvancedinthiswayopensupthepossibilityforremoteheartECGs,whileaccurate,requireavisitandelectrodes（極beontheThey,recapableofcontinuousmonitoringyou'relimitedtopicksupatthatexactmomentintimewhyarrhythmiacandiscover.Smartwatchesofremote,continuoustheyrequiretoweardeviceattimestobeeffective.notsomethingthat'scomfortableforeveryone,especiallywhenittosleepandforthosewithhighlysensitiveAnotherissueisthattheseadvancedsmartwatchesareexpensive,smartcheaper.haveadevicepatientonextendedbasisdevelopcorrespondingcareplansthatsatisfysneeds,“Dr.Sridhar,co—seniorauthoronthestudy.beautyofusingthiskindofisthattheyareinpeople's”4.WhattheauthorfocusoninParagraphHowthesmartworks.Whythesmartisuseful.ofspeakers.Theofstudy.5.isheartdifficulttofind?ECGshighlyaccurate.ECGsheartECGishardandexpensive.6.bestexplainscharacteristicsarecomfortablewear.Theyarefriendlytosensitiveskin.Theyareeffectivecheap.Theymonitorremotely.7.inferlastparagraph?needtoinventmoresmartdevices.Careplansvitalwithheartfailure.speakerscouldbecontactlessmonitors.Differentdevicesaretopatients,demands.Clivedinwhatiseatentheiryearsofthecannibalistic(食人)discoveredbyscientistsaNow,whytheincludingtwoofcannibalism:Globalwarming.studieshaveexaminedremainstofindofcannibalisticbehavior,thisisfirsttoastomayledtocannibals.changeslocalecosystemsastheplanetwarmedmaywipedtheanimalspeciesthatNeanderthalsate,lookTheexaminedalayerofsediment(沉積物)inacaveknowninIncharcoal(碳animalsowell-preservedthatreconstructenvironmentalpicturerepresenting120,000yearsago.discoveredthatclimatewasevenwarmerthanittoday,andthatcold,dryclimatetoawarmeronehappenedquickly.“Maybewithinafewgenerationsstudyco-authorAsthatsomewhatfind—bynomeansuniqueandhasandtheir“fromthePalaeolithicandthestudyTheadoptedbyNeanderthalsinBaumeMoula-Guercythereforenotbeviewedas“amarkof(獸性,butasantoaoftothe8.thefocusTheofNeanderthals.TheforamongTheclimateinsoutheasternFrance.Theinfluenceofglobalwarmingancientanimals.9.WhatbeusedtodescribeclimateinsoutheasternFrance120,000toago?wasnowarmerthanItwasfirstwhilecolddry.wasandwentthroughquiteaItsisachieffactorcontributingcannibalism.10.ofthefollowingstudyauthorsagreewith?Neanderthals’theirbestiality.CannibalismactuallyameasuretheNeanderthalstotosurvive.Neanderthals’theirruleOnlyfoundtohumanhistory.11.Wheremostpassage?A.Insciencejournal.B.travelbrochure.C.Inahistorybook.D.book.Doutbreakcorona(NCP)andnearlyeveryChineseperson.atrendbeenthemanyhaveturnedAccordingtoQuestmobile,abiginDouyin,KuaishoutomillionduringtheFestivalup35percentfrom2019.Confinedathome,awayfromtheirfriendsandlovedones,peopleturntolivestreamingreachouttotheworld.themlivestreamingcanhelpthemtheirlivesandinterestwithaglobalaudience,whichgivethemthesensebeingthemoment.astheycanalsoimmediatelylivestreamersbyandmakingsuggestions.IlivestreamingInotsimplyanmember,butalsoanpartofThatgivesmeasenseofanuserWang’sDaily.isnotonlyforfun,buta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