2020届杭州市嘉绿苑中学高三英语第四次联考试卷及参考答案

州市苑中高三第四考试考答案第一部分共两节，满分分）第一节（共小题；每小题分，满分分）阅读下列短文从每题给的B、、四个选项出选ASomeyoungbecauseoftheirlooksorsingingmuchsmallergainbecausetheyhavedonesomethingandworthwhilewithisamong2018,13-year-oldRishabatoAItopancreatic(腺)cancerandScientistChallenge,anationwidemiddle-schoolcompetition,andprize.Inthestageofthecontest,Rishabcompetedagainstnineotheratthe3MInnovation创新中)inuptothescientisttodevelopinventions.Rishabexplainsledhimtocreateinvention.First,afrienddiedofcancer.Thenlearnedaboutdeadlypancreaticcanceris,andthatitslowrateisduetohowitisto"I'malsosoIwaslearningaboutAItechnology.Idecidedsolveaproblemusingit."HisbeenputinfurtherresearchandinhisSamyakSciencehelpspoorchildrenentertheSTEM(science,technology,engineeringandmath)education.Rishabisalsoraisingawarenessaboutpancreaticcancer.Theseeffortsmakehimquitedifferentfromteenagersofhisage.Consideringbecomingaoradoctor一healsosometoAlmostcertainlydoorsofeducationwillopenwidetohimbeforeheevenknocks.That'soutstandingoutlookforyoung.Rashibishelpingverysickpeopleneed.Heisofwithofwhatthings1.Whatcanwelearnaboutthe3MScientistItwasintendedtosolveItanationwideAIcompetitionforteenagers.ItofferedthefinalistsanopportunityworkwithItthefinaliststolearnAItechnologythecenter.2.didwinthe3MScientistChallenge?programmingHefiguredtherateofHeintroducedpoortoeducation.appliedAItechnologytreatingpancreatic3.ofB.andhumorous.C.patient.D.Politeandinspiring.Byourtothinkrememberisprettyfrightening.Weriskof呆)withButifyouhavememoryyouneedn’tarebetweensignsofdementiaandloss.Afterage50,itcommonthepeople,placesandthingsquickly,Dr.DaffnerBrigham’sHospitalThebrainagesjustliketherestofthebody.Certainpartsbecomesmaller,especiallyareasinthebrainthataretomemoryandplanning.inbraincommunicationbetweendifferentregionstheflowcanbeasbloodvesselsnarrow.Forgettingnameofanactorinmovie,forisnothingtoworryButifyouforgettheplottheordon’tthatfarmoreconcerning,Whenyouforgetentireexperiences,flagthatmoreseriousmaybeinvolved”.toaaortodrivetoofafriendyou’vevisitedmanytimesalsobesignsofgoingwrongeventhen,’tmanyconfusionandmemoryincludingstoppageofduringsleep,highpressure,depression,asasmedications(药物antidepressants.Youdontofigurethisonsuggestsyourdoctoronmedications,healthproblemsthataffectingmemory.Andtheagainstlossistotrytobybuildingyour认知reserve,says.“Readbooks,gotomovies,takeonnewhobbiesorthatforceonetothinkinnovelways,”hesays.Inotherwords,keepworking.exerciseisabooster4.doessaythatneedn’tbememoryNotthemarerelatedtoone’sage.NotofthemsymptomsofTheyoccuronlyamongcertainofquitefifty-year-oldpeople.5.WhichshouldseriouslyhowdoInabilitytorecalldetailsonelifeFailurerememberofmoviesoractorsOccasionallyconfusingaddressesof6.Whatshoulddowhensignsofseriouslossshowup?braincognitivereserve.Stopmedicationsaffectingmemory.Turntoprofessionalimprovewell-beingWhatis’smemoryloss?Havingregularphysicalandcheckups.medicinehelps’sbrain.EngaginginmemoryrepairStayingactivebothphysicallyandmentallyCThisyearexpectworldtrillionor3.7Allthosepixels像)upaofonpersonalcomputersorswhichisonewhyButahardwhichcanbetoprotectcloudstorageusershavetothatatechwillkeeptheirsafe.ateamofhasatoolto(加)onmanycloudservicestoandphotographsas恶的attemptstoaccessorleakcloud-basedphotographscanexposepersonalinformation.Novemberforexample,abuginphotographGooglesharedsomeusers'videoswithstrangers.Securityexpertsaboutemployeesatcloudonusers'images.theresearchersupwithsystemEasySecurewhichtheyataconference.“Wewantedtoifwecouldmaketoexistingservices,sayscomputerscientistJasononeofthedevelopersof“Everyonewantstostaywithandnothavetoregisteronastorageservice.overcomecreatedathatblocksmoveseffectivelyhidethephotograph.ESP'salgorithm(算法)dividesaphotographintothreeseparatefiles,eachonecontainingtheimage'sred,greenorbluecolor1Thenthesystemhidesthepixelblocksaroundamongablockfortoingreenorblueprogramdoeswithintheblocks,wheretheprocessinghappens.Asthefilesbutendupgrainyblack-and-whiteonesanyonewhothedecryption(解密)8.What'sprobablythemainpurposeforpeopletostoreincloud?A.makeC.Totrynewway.D.keeptheirprivacy9.Whymightcloudstoragedistrustedbysellhaveinventednewtools.oftenoutpersonalinformation.Theymaystealglanceusers'images.ofItcanprovideclearimages.ItdecreasetheuploadItclassifyautomatically.Itencryptonoriginalplatform.11.Whatdoesparagraph4mainlyA.Methodofdecryption.B.Image-processingtechnique.C.filesofanalysisofDInofwildcanor刺伤you.enough,oneofisatree.NowscientistshavefiguredoutwhatthestingsoTherainforestsofeasternAustraliatoatreeasDendrocnide.callitgympie-gympietree—anamegiventothetreebynativeAustralians.coveredsharp,needle-likethatcarrypoison.Ifyoutouchagympie-gympietree,youwon’tforgetitanytimesoon.Thepainwithyouforhours,daysInsomecases,’sstayforthesting.researchersattheUniversityQueenslandhavediscoveredwhatmakesthisstingingplantsoAfterstudyingdifferentkindsofgympie-gympietrees,thetooutchemicalsthetreesagroupofchemicalsthattheybelievedwasfortheresearchersversionsofchemicals,whichcallSurewhenthescientistsinjectedmicewiththemicelicked(舔attheplaceswheretheybeeninjected,indicatingthattheyhurtinthosepla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