[今日更新]安徽省庐江县2023-2024学年度上学期高一年级期末考试.物理试卷答案

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[今日更新]安徽省庐江县2023-2024学年度上学期高一年级期末考试.物理试卷答案试卷答案

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CNearly10millionpeopleworldwidelivewithParkinson'sdisease.WhileParkinson'sisincurable,someofitsworstsymptomscanberelievedandcontrolledusingmedications.Amajorproblemofgettingeffectivetreatmentattherighttimeisidentifyingthediseasesoonenough,beforepatientsexperiencethesymptomsbroughtonbyirreversible（(不可逆转的)neuronloss.Butscientistsmighthavejustthethingtochangethesituation.Anditinvolvesanose.InastudypublishedinthejournalACSOmega,researchersfromChina'sZhejiangUniversitycreatedan"e-nose,"aportabledevicethatcandetectbodysmellsspecifictoParkinson'spatients.ItmaycomeasasurprisetolearnParkinson'spatientshavetheirownsmells.ButafteraretirednurseinScotlandmadeheadlinesin2015foraheightenedsenseofsmellthatledtoherownhusband'sParkinson'sdiagnosis,scientistshavebeentryinghardtocreateadevicethatcouldsmellthediseasebeforephysicalsymptomsstarttoshow.Overtheyears,scientistshavefoundpeoplewithParkinson'stendtoproducemoresebum(thantheaverageperson.Thissebummixeswithotheroverproducedsubstancestoproducecertain,uniquesmells.Totrackdownthesesmells,theZhejiangUniversityresearchersswabbed(用拭子擦拭)theupperbacksof31Parkinson'spatientsand32healthyvolunteers.Usingmachine-learningsoftware,theywereabletoidentifythreesmellcompoundsthathealthyvolunteerslacked.Theresearchersthentestedthee-noseonsebumtakenfrom12Parkinson'spatientsand12healthypeople.Thedevicewasfoundtobeabout71percentaccurateindistinguishinghealthysebumfromParkinson'ssebum.Theseareencouragingfindings,butbeforethee-noseisreadyforclinicaluse,theteamneedstotestitonmanymorepeopletoimprovetheaccuracyofthemodels.Theywillalsoneedtotestwhetherfactorslikeraceaffectthee-nose'sperformanceinanyway.Butfornow,asthenumberofpeoplelivingwithParkinson'sintheU.S.isexpectedtoriseto1.2millionby2030,anosemightbethebestoptiontodetectthisdisease.28.WhatmakesitdifficultforParkinson'spatientstogeteffectivetreatment?A.Itsmedicationsareinshortsupply.B.Itinvolvesirreversibleneuronloss.C.Itsearlysignsarenoteasytonotice.D.It'snotacurablediseasemedically.29.WhatdidtheScottishnursefind?A.Herhusband'sbodygaveoffastrangesmell.B.Herhusbandhadaheightenedsenseofsmell.C.Asmellcausedherhusbandtosufferfromadisease.D.Asmellcouldrelieveherhusband'sParkinson'ssymptoms.六校联考高三期中考试英语试题第6页（共12页）

20.中国科学家通过冷冻电镜捕捉到病毒表面S蛋白与人体细胞表面ACE2蛋白的结合过程,揭开了病毒人侵人体的神秘面纱.双透镜电子显微镜内的电场分布如图所示,虚线为等势线.一电子仅在电场力作用下运动,运动轨迹如图实线所示,a、b、c、d是轨迹上的四个点,下列说法正确的是A.电子从a到d运动时,加速度保持不变B.电子从a到b运动时,动能的增加量为1.610^-17JC6电子在a处受到的电场力方向与a处虚线垂直D.b处的电场强度与c处的电场强度不同

(1)该小组同学首先测量该电路电压表的电阻值,在实验中进行了如下的操作:先将滑动变阻器的滑片滑到M端,开关扳到a,电阻箱的示数调为0;再调节滑动变阻aO;器的滑片直到电压表的指针指在最右端;保持滑片的位置不变调节电阻箱的旋钮直到电压表的指针偏转角度为满偏的-1100为止,此时电阻箱的阻值为R,则该电压表的电阻R0,值为;电压表电阻的测量值真实值(填“>”“=”或“<”).

9.如图所示为两辆汽车A、B运动过程中的xt-tt图像,已知两汽车同时由同一地点出发.则下列说法正确的是A.汽车B的初速度大小为20m/sB.汽车A的加速度大小为10m/s^2C.t=1s时两辆汽车的速度相同D.t=1s时两辆汽车再次相遇中t/s