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1重庆市高2024届高三第二次质量检测(2023.10)化学试卷答案

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16.Whydidthewomanchangeherjoblastyear?A.Toworkathome.B.Tostartherownbusiness.C.Tospendmoretimewithherfamily听第10段材料，回答第17至20题

17.Whomhasthegovernmentpromisedtoofferhelpto?A.Somefarmers.B.Somepilots.C.Somechildren.18.Wherearethetransportworkersgoingonstrike?A.InSydney.B.InMelbourne.C.InQueensland.19.Howdidtheschoolchildrenfeelaftertherescue?A.Thankful.B.Angry.C.Sorry.20.Whatcanwelearnabouttheschoolchildren?A.Theyattendedamusicalconcert.B.Theyenjoyedthemselvesinthesea.C.Theirplanewasforcedtolandshortlyaftertake-off.第二部分阅读理解（共三节，满分45分）第一节单项选择（共11小题；每小题2.5分，满分27.5分）阅读下列短文，从每题所给的A、B、C、D四个选项中，逃出最佳选项

APerhapsyouhaveeverheardthesaying:Changeistheonlyconstant.Everyone,withoutdoubt,goesthroughchangesintheirlife,whetheritisaphysicalstateofagingoramentalstateofemotionalmaturity.However,someareafraidtomaketheconsciousdecisiontomoveortheythinkit'stoolatetohaveafreshstart.IhaveafriendnamedJack.Attheageof37,heisaSeniorManageratoneoftheBigFour.Hehasagreatsalary,ownshisownapartmentandenjoysthefinethingsinlife,butnotwithouttheheavyburdensthathisjobbrings.Onthesurface,itlookslikehehasgotlifefiguredout.YetwhenIonceaskedifhewashappywithhiswork,heansweredthathesometimeswishedtoquithisjobtodosomethinglessstressful.Buthe'dbecomeaccustomedtothislifestyleandfeltthatitwouldbetoolatetogiveituptoachieveanewambition.Forhim,therisksaretoohigh,sowhetherhecan'tabidehispresentjobornot,hehastochoosetosuckitup.YoumighthavecometoasimilarsituationasJack'soryoumightbeaJack.You'renowfacingawall.Nomatterwhatitis-thestressofyourjobortheterriblefeeling,it'stimethatyouhadtodecidewhetheryou'llteardownthatwallorcontinuetoletitencloseyou.Isuggestpushingbacktheboundariesandbreakingthefixedpatterns.Whydoyoufeelit'stoolate3

(4)氧化膜厚度测定①取氧化完毕的铝片,测得表面积为4.0cm^2,,洗净吹干,称得质量为0.7654g;②将铝片没于60^C的溶膜液中煮沸10分钟进行溶膜处理;③取出铝片,洗净吹干,称得除膜后铝片质量为0.7442g。已知氧化膜的密度为2.7gcm^-3,可以计算得出氧化膜厚度为m(1um=110^-4cm,,保留小数点后一位)。

4.丙烯酸是非常重要的化工原料之一,可用甘油催化转化:→丙烯酸(C3H4O2)已知:反应甘油(C3H8O3→丙烯醛(C3H4O)I:C3H8O3(g)C3H4O(g)+2H2O(g)H1>0Ea(活化能);反应Ⅱ:2C3H4O(g)+O2(g)2C3H4O2(g)H2<0E2(活化能);甘油常压沸点为290^C,,工业生产选择反应温度为300^C,常压下进行。下列说法错误的是A.当丙烯酸的体积分数保持不变时,说明反应达到平衡状态B.固体催化剂一定时,增加其表面积可提高化学反应速率,提高甘油的平衡转化率C.若改变条件增大反应Ⅱ的平衡常数,反应Ⅱ一定向正反应方向移动,且平衡移动过程中逆反应速率先减小后增大D.丙烯醛有毒,为了工业生产安全可选择能大幅降低Ea2且对E01几乎无影响的催化剂

1重庆市高2024届高三第二次质量检测(2023.10)化学