2024届高三第四次大联考试卷数学.考卷答案

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2024届高三第四次大联考试卷数学.考卷答案试卷答案

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MyTeacherMr.MooreThere'sateacherMr.Moore.Whoislovelyandthirty-four.Alwaysencouragingustotry.Heleadsustoaworldof“why”.Wealladmirehimmoreandmore.Theauthorofthispoemisunknown,butitremindsmeofthecountlessteacherswhohavetaughtme.WheneverIreadthispoem,Icouldn'thelpthinkingofmymathteacher,Mrs.Davies.Ifirmlybelievethatshewassuchateacherdescribedinthepoem.Inhighschool,Mrs.Davieswasmymathteacher,whotookherjobseriouslyandexpec-tedherstudentstoputforththesamedegreeofcommitment.Thoughshewas30,shelookedveryyoungforherage.Andshewasoneofthemostpopularteachersinourschool.Comparedwithotherteachers,Mrs.Daviespaidmoreattentiontoherwayofteaching.Shetriedvariouswaystomakeherclasseslivelyandinteresting.Strictbutfair,sheheldourattentionwithhertime-provenapproach.Oneofherclasseswasforstudentswhoweremoreadvancedacademically.Ichosetotakeitandsoonrealizedthatthecoursewasabitovermyhead.Istruggledwiththecomplexproblemsthatothersseemedtolearnwithoutmucheffort.OneFridayweweretestedonourabilitytouseatheorem(thatnooneintheclassthoroughlyunderstood.Theteacherwouldgradeourpapersbasedonourabilitytoprogressthroughtheproblem.Iwasabsolutelylost.Finally,Ididn'tusetherequiredtheorem.Instead,Idecidedtousemorefamiliartheoremstoarriveattheanswer.IknewIhadfailedbecauseIhadn'tdonetherequiredassignment.Ibecameresignedtomyfate.注意：1.续写词数应为150左右；2.请按如下格式在答题卡的相应位置作答

OurtestpaperswerehandedbackthefollowingMonday.ThoughIdidn'tusetherequiredtheorem,Mrs.Daviesseemedgenuinelyproudofme.【高三英语第10页（共10页）】·23-93C·

4.电子秤出现以前,杆秤是日常生活中最常用的称量质量的工具。如图2所示为杆秤部照片,秤盘用三根相同轻质细绳悬挂在秤杆上。某次称量时秤盘中物品质量为M,若秤盘质量为m,,悬挂秤盘的三根细绳与竖直方向的夹角均为α,,重力加速度为g1,则平衡时每根细绳的拉力大小为A.(M+m)gsinaA.(M+m)gsinαB.(M+m)geoaB.(M+m)gcosαC.(M+m)g3D.(M+m)g3图2