河南省2023-2024学年高一年级上期期中联考数学.考卷答案

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河南省2023-2024学年高一年级上期期中联考数学.考卷答案试卷答案

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萌用点★密TheJardinAnglaisisjustonofseverapacedmirethelakeandtheJetaTheStroll(漫步)alongtheLakefrontandRiversidentirelakefrontisfitforstrolling.Thereare6milesoffootpathsandbikepathsalongtheenirelakefront.Swanspassbyduringtheday,andatnight,theriversideandsurroundingbuildingsareromanticallylit.:应率意型21.WhydidpeoplebuildtheJetd'Eau?QB的5位#从士半，布表答，A.Torecyclewaterforanearbypowerstation.套出数，册货补盘塔四B.Tocontroltheoutflowofwaterfromapowerstation.C.Tomakeitthetallestfountainintheworld.D.TomakeitasymbolofthecityofGeneva.诉：本张，言杀择所善22.WhatmaypeoplegototheJardinAnglaisfor?(代0气，节项共)大0农暗一策安A.Plantingsomeflowersinthegarden.容内音岩冠学答夫，讯B.PracticingtheirFrenchinthegarden.士十感客匠得学C.Goingsightseeingfortheflowerclock.

,?,I水，不i共D.Buyingcheapseasonalflowers.中从，小个议贸乙面才调$23.WhatdotheriversideandtheJetd'Eauhaveincommon?暗，言以男函家通A.Theyhavebeautifullightsatnight.&时idesdtaidoumwot,同B.Theyhaveinvitingfountains.81039.aC.Theyhaveswansinthelake.案留D.Theyhavepathsforbicycles.B烟AfterIfinishedmyPhDin2014atDukeUniversity,Istayedforanextrayeartofinishapaperandlookforapostdoc(position.ThefirststepofmyprocesswastodecidewhatIwantedtodowithmycareer,andthenIshouldfindalaboratorythatwouldhelpmetoachievethat.Iwasabitanxiousaboutmakingsuchastrongstatementaboutmycareer-a閭feelingthatIthinkissharedbymanygraduatingstudents.ThenextstepinmyprocesswastobroadlyidentifywhattypeoffieldIwantedtoworkinandwhichtechniques,systemandorganismIwatedolear.SeveralpeopleadvisedmetochangeoneortwoofthesechoicesfrommyPhDwork,whichwasinyeastcellbiology细胞生物学)/AlthoughIreallyvaluehavingexperienceinmultiplefieldsandtechniques,Idon'tthinkthischangeisabsolutelynecessary.IalsotalkedmyoptionsthroughwithmyPhDadviser,DanielLew,andmylabmates.Intheend,Idecidedtostayworkingwithyeastbuttotakeonmorebiochemistryapproaches.IthenputtogetheralistofpossiblelabsasIreadpapersanduniversitywebsites.Bythisoint,myparerandIhaddecidedthatwewouldliketolivenEurope,becauseitwouldbeagreatopportunitytomovesomewhereelseandexperienceadifferentwayoflivingI800【高三英语第4页（共10页）】2008C·SC.

15.如图所示,4个完全相同的木块一个挨一个地静置于水平地面上(彼此不相连)。每个木块的质量m=0.8kg、、长度L=2m,,与地面间的动摩擦因数1=0.1。。一质量M=1kg的小铅块(视为质点)从左侧第一个木块的最左端,以大小v0=5m/s的初速度开向右运动,它与木块间的动摩擦因数2=0.2。,最大静摩擦力大小等于滑动摩擦力大小,重力加速度取g=10m/s^2。(1)当小铅块刚运动至左侧第二个木块上时,求此时小铅块的速度大小。(2)求小铅块运动至哪个木块上时,小铅块下方的木块开始滑动。(3)小铅块停止运动时,求与左侧第一个木块最左端的距离。(结果保留小数点后2位)