[今日更新](网络收集)2024年上海卷.物理试卷答案

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第三部分语言知识运用（共两节，满分45分）第一节共20小题：每小题1.5分，满分30分)读下面短文，从短文后各题所给的A,B,C和D四个选项中，选出可以填入空白处的最佳选项

Iwasdrivingmy5-yearoldsonhomewhenIsawahomelessmaninthemediantrnp(中央分隔带)intheroad.Iwantedtogivethemansome41.butIdidn'thaveanycash.Myson42themaswellandheinsistedthatIgivethemanthecnthehad.Itsemdthathehadreadmy43andherespondedoutloud.Iwasmorethan44thathewantedtohelp,buthonestly,Iwas45.Ididn'twanttogivejust30centstothismanwhoclearly6morehelp.Myownprideand47overthehomelessman'sdisappointedreactionto48justtwocoinsstoodintheway.IquicklyrealizedthatIwastheonly4inthesituationandthatthetrafficlightwouldturngreensoon.Ithenthoughttomyself.I'vebeenteachinghimabout50othersandnowthathewantstogiveeverythinghecan51.Ishouldn'tletmypersonalself-centeredness52thisactofkindness.Ialmosttoldmyson,"Let'swaitto53untilweatleasthaveonedollar."Ialmosttoldmysonthatwhathehadwasn't54.Ialmostshowedhimthatwhathesawasagoodthingcouldn'tmakea55insomeone'slife.Ialmosttaughthimthatpersonal56wasmoreimportantthanhelpinganotherhuman.57.Iquicklygotridofthatfoolishness.Ithenrolleddownthewindowandsaidtotheman,"I'msorry.Idon'thaveanycashonme,butmy5-year-oldsonbackinthe58wantstogiveyoueverythinghehasrightnow.Tomy59,thesmileonthatman'sfacelituptheintersection.Theonlythingthatmatchedthe60ofthatstranger'ssmilewasthebiggersmileonmyboy'sface.41.A.equipmentB.informationC.moneyD.advice42.A.comfortedB.taughtC.noticedD.attracted43.A.apologyB.mindC.orderD.future44.A.happyB.confusedC.angryD.ashamed45.A.sadB.hesitantC.disappointedD.relieved46.A.neededB.rejectedC.overlookedD.assessed47.A.advantageB.worryC.curiosityD.control48.A.owingB.donatingC.receivingD.lending49.A.planB.changeC.resultD.problem50.A.helpingB.forgivingC.followingD.tolerating51.A.abandonB.recordC.achieveD.offer52.A.preserveB.promoteC.forgetD.ruin53.A.giveB.escapeC.fightD.drive54.A.enoughB.realC.simpleD.worthless55.A.messB.choiceC.differenceD.wish56.A.kindnessB.prideC.generosityD.success57.A.UnfortunatelyB.ThankfullyC.InitiallyD.Casually58.A.bankB.garageC.carD.road59.A.horrorB.embarrassmentC.panicD.surprise60.A.disappearanceB.challengeC.pressureD.brightness【23模拟调研·英语（三）第7页（共8页）LLY】

14.(13分)如图所示,质量均为m=2kg两个半圆柱体A、B放在粗糙水平地面上,质量m'=外表面光滑的圆柱体C放在A、B之间,A、B、C均处于静止状态,A、B恰好接触且A、B间没有作用力。已知A、B、C的半径相同,A、B与地面间的动摩擦因数均为=36,取重力加速度大小g=10m/s^2,s?,认为最大静摩擦力等于滑动摩擦力。求:(1)C对A的压力大小N;(2)地面对A的支持力大小F和摩擦力大小

10.如图甲所示,正方形导线框abcd放在匀强磁场中静止不动,磁场方向与线框平面垂直,磁感应强度B随时间t的变化关系如图乙所示.t=0时刻,磁感应强度B的方向垂直纸面向外,感应电流以逆时针为正ab方向,cd边所受安培力的方向以垂直cd边向下为正方向,关于感应电流i和cd边所受安培力F随时间t变化的图d像,下列各图正确的是甲

2.若以M表示水的摩尔质量,,V表示液态水的摩尔体积,表示标准状态下水蒸气的摩尔体积,水为液态水的密度,为标准状态下水蒸气的密度,NA为阿伏加德罗常数,m、V。分别表示每个水分子的质量和体积,下面四个关系式正确的是A.NA=RVmmB.水=MNAV0C.v0=m甲D.V0=V7NA