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哈师大附中2021级高三第三次调研考试物理试卷答案试卷答案

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第二节（满分25分）阅读下面材料，根据其内容和所给段落开头语续写两段，使之构成一篇完整的短文

Summertimeislotsoffun,butwhenit'stoohot,itcaninsteadbeveryuncomfortableanddangerous.Whenthetemperatureroseto38CinFortWorth,Texasseveralyearsago,itwasespe-ciallydifficultforthosewhodidn'thaveanairconditioner()95-year-oldWorldWarIIsoldierJuliusHatleywasoneofthosewhohavetostandtheburningheat.Hisairconditionerhadbrokenandhewascompletelyburningup.Still,evenat95,hewasdoingeverythinghecouldtogetbywithouthelp.Juliustriedspendingtimeunderthetreesinhisgarden-butatonepoint,hejustcouldn'ttakeitany-more.So,hetookaction.Notknowingwhatelsetodoabouttheextremeheat,95-year-oldHatleycalledhislocalFortWorth,Texaspolicedepartment.WilliamMargolis,wastheofficerondutythatday.Heknewthiswasacommon911盼call.Forthepolice,Hatley'srequestwasnotanurgentcallbecausethereweremoreimpor-tantandbiggereventwaitingforthemtodo.Still,MargolisandhispartnerChristopherWeir些managedtosparetimeforavisit.Whentheygottherearound8:30am,theyfoundhishousewas38Cto39Calready.$Andthetemperaturewasstillrising.Aftercheckingtheroomforalittlewhile,MargolisandWeirquicklydiscoveredthatbothHatley'scentralairconditioningandwindowunitwerebro-&ken,leavingthemantosufferalone.Thetwomendidn'thaveasolutiontoHatley'sproblemrightthen,buttheypromisedtheywouldfinditout.Itdidn'ttakelong,however,forMargolistorealizethathejustcouldn'tshaketheimageofthepoor,oldmanoutofhishead.HerequestedthatheandWeir烟makeastopatashop,wheretheycouldbuyHatleyanewairconditionerthemselves.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

阁Butthekindnessdidn'tstopthere.The95-year-oldwastouchedbyallthattheyhaddone.【高一英语第10页（共10页）】·23-140A·

哈师大附中2021级高三第三次调研考试物理试卷答案第一部分

14.(13分)一简谐横波在均匀介质中沿水平方向直线传播,介质中A、B两个质点平衡位置间的距离x=2m,,它们振动的图像分别如图甲和乙所示。(1)求该简谐横波传播速度的可能值;(2)若波速为0.2m/s,B、C两质点的振动始终同步,且t=4.2s时B、C两质点间有两个波谷,求B、C平衡位置间的距离x'。

哈师大附中2021级高三第三次调研考试物理试卷答案第二部分（待更新）

12.如图,这个关于声现象的实验,下列说法正确的是(CA.图甲:用发声的音叉去接触乒乓球时,乒乓球被弹开,说明发声体在振动B.图乙:钢尺伸出桌面的长度不变,改变拨动钢尺的力度,可探究音调与振幅的关系C.图丙:逐渐抽出玻璃罩中的空气过程中,能听到响铃声的音调逐渐变低D.图丁:放在音响前的蜡烛,烛焰随着音乐声舞动,说明声音能传递信息