[今日更新]哈师大附中2021级高三第三次调研考试.物理试卷答案

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[今日更新]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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34.WhatcanbeinferredfromDominicKing'swords?A.TheAImodelhasnodelayinthedetectionofbreastcancer.B.TheAImodelcanbeofgreathelpindiagnosingbreastcancer.C.Thetechnologywillcquippatientswithmoreexpertknowledge.D.Breastcancerscanbedefinitclycuredifidentifiedearlyenough35.Whichisthemainideaofthetext?A.Acureforbreastcancerhasbeenconfirmed.B.AbreakthroughinAItechnologyhasbeenmade.C.ResearcherstrainedanAImodeltohelpdetectbreastcancer.D.Acomputerprogramavoidserrorsinidentifyingbreastcancer.第二节（共5小题：每小题2.5分，满分12.5分）阅读下面短文，从短文后的选项中选出能填入空白处的最佳选项，选项中有两项为多余选项

Publicspeakingundoesthebestofus.Thereisfearthat,ifyoufailtoprepareadequately,36_.Fumbles(笨嘴拙舌讲话)likethesecancostyouthatdesiredpromotionoraprofitablenewpartnership.It'snotalwaysfair,butpeoplearejudgedontheirpublic-speakingskills.Thegoodnews,however,isthatimprovementispossible.Belowareafewbasictips.Languageisthemajorcomponentaspeakerneedstofocuson.37.Say"use"insteadof“utilize”,and“detailed”insteadof“granular'”.Trynottorefertoyourgrowthplanasa“globalrecoveryplan".Languagecanperformitseffectivenessbythespeakerrestatingmainpoints,providingaspecialmessageorencouragingaudiencetoaskquestions.38.Goodonesinvolveopenpalms,joinedfingertips,orspreadarms.Whilelistening,audiencehaveatendencytopositionthemselvesintothesituationcreated.39Theycouldbeenjoyableordefeatedones.Forinstance,tellyourlistenersaboutatimeyougotitwrong.Letthemlearnfromyourmistakes.40.Adoptingpictures,diagramsorcatalogues(canhelpmakeyourpresentationimpressive.Includeabriefclipfromawell-knownmovietoentertainyouraudienceanddrivethepointhome.Butbearinmind-don'tletthemdistractfromyou.A.ItisexpectedtobesimpleB.EnhancetheentertainmentpartC.VisualelementsareahugehelpD.youcouldfindyourselfatalossforwordsE.Aspeakerneedstooffercommonexperiencestostimulateempathy(F.Asidefromit,non-verballanguageissignificantinmakingyourspeechsufficientG.youraudiencewon'tforgettheinappropriateremarksandyourteam'sreputationwillberuined英语试题第6页（共12页）

28.图18是某型号电饭锅工作原理的简化电路图。电饭锅有两档,分别是高温烧煮和低温焖饭,R2均为电热丝,R2的阻值为939.5Ω,,该电饭锅铭牌技术参数如下表所示(低温焖饭档额定功率模糊不清)。(1)求电饭锅正常高温烧煮0.5h消耗的电能:(2)求电热丝R1的阻值;(3)某次电饭锅低温焖饭时的实际功率为40W,求此时电路的实际电压。图18

(10分)如图甲所示,当质量为m的直升机沿水平直线加速飞行时,直升机的机身与水平方向的夹角为θ,螺旋桨产生的恒定升力F(未知)垂直于机身,可简化为图乙。已知重力加速度大小为g,只考虑直升机受到的升力和重力,求:1)升力F的大小;.2)直升机的加速度大小。F甲

7.如图为一半圆柱形透明玻璃砖的横截面,半径为R,截面圆心为0点,有一同学在弧MNMN一侧始终对准O点进行观察。若0点左侧有各个方向的绿光从0点射入玻璃砖,该同学OMθ的视线与OM的夹角为0时,恰好看不到亮光。真空中光速为c,下列说法正确的是A.该玻璃对绿光的折射率为sin0B.绿光在该玻璃中的传播速度大小为C.绿光在该玻璃中传播速度大小为csin8D.若入射光换成紫色光,则0会变小