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安徽省2023-2024学年度第二学期高二年级阶段性考试（242831D）物理试卷答案试卷答案

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高一同步周测卷/英语Betelgeusebecamegraduallydark.Atthetime,astronomersweren'tsureifthisstarwasjustgoing(十七)必修三Unit4throughaphase()Thealternativewasmoreexciting:Itmightbereadytoexplodeasasuper-(考试时间40分钟，满分100分)》nova.(Itturnedouttobejustaphase.)Thesunalsoshookthingsupwhenscientistsnoticedthatitwasn'tbehavinglikeothermiddle-agedstars.It'snotasmagneticallyactiveasotherstarsofitsageandmass.Thatsuggestsastronomersstillmightnotfullyunderstandthetimelineofmiddleage.俎、单词拼写（共10小题；每小题1分，满分10分）根据空格前首字母或空格后括号内的汉语提示写出单词的正确形式

Usingphysicsandindirectmeasurements,scientistscanmakearoughestimateofastar'sage.1.AnneissuchanigirlandshemustbeabletopasstheexameasilySomemethods,itturnsout,workbetterfordifferenttypesofstars.2.FewpeopleIknowseemtohavemuch(欲望)ortimetocook.Whydoweevencare?Galaxiesarehugecollectionsofstarsofdifferentages.Stars'agesmight3.What'smore,doinghouseworkcanbeaformof(精神的)relaxationfromstudyhelpusfigureouthowsuchgalaxiesgrowandevolveorhowplanetswithinthemform.Knowingstars咖数4.Theriverbecamenarrowandsandit'shardfortheshiptosailonthewater.agesmightevenassistinthesearchforlifeinothersolarsystems.5.Tomissoithatheneveraskshisparents'opinionunlesshewantstheirsupport.1.Whatmayscientistswanttoresearchaboutstarsmostnow?6.Just9%ofglobalplasticwasteis(回收利用)A.Theircompanions.B.Theirtypes.O7.Theboy'smoneywas（足够的)tobuyabirthdaygiftforhismother.C.Theirages.D.Theircharacteristics.如8.Hehasadreamofbeinganaandwalkinginthespace.2.Whatdoestheunderlinedword"cracked"inParagraph2probablymean?早9.He(confidenceandasaresult,hefailedinthecontest.A.Discussed.B.Described.C.Touched.D.Solved邮10.Theworkerswerenotbetterorganized,otheywouldhavefinishedthetaskinhalfthe3.Whyistheexamplein2019mentioned?time.A.ToshowscientistsstillhavepuzzlesaboutstarsO二、短语填空（共5小题；每小题2分，满分10分）B.Toprovescientistshavestudiedstarstothefull.根据句意选择正确的短语填空，注意使用正确形式

每个短语限用一次C.Toprovidefactsforscientists'researchesonstars螺asaresult,carryon,figureout,resultin,runoutD.TowarnscientiststonoticesomesurprisingstarsK1.Themoneybegantoandtheycouldn'taffordthelessonsanymore.4.Whatdoestheauthorwanttotellusinthelastparagraph?2.Aftermybestpartnerleft,Ijusttriedto蜜asnormal.A.Thereasonsforcaringaboutthespace.3.Positivethinkingandactioncansuccess.B.Thebenefitsoffiguringoutsolarsystems.4.Peoplehavebetteraccesstohealthcarethantheyusedto,andthey'relivinglongerC.Thewaysofmeasuringastar'sage.杯D.Thesignificanceofresearchingstars'ages.5.Itisdifficulttoaglobalpopulationofpolarbearsbecausemuchoftherange四、七选五（共5小题；每小题4分，满分20分）hasbeenpoorlystudied.阅读下面短文，从短文后的选项中选出可以填入空白处的最佳选项

选项中有两项为多余原三、阅读（共4小题；每小题5分，满分20分）选项

阅读下面短文，从每题所给的A、B、C、D四个选项中选出最佳选项

TheNorthStar,alsoknownasPolaris,isoftenusedbycamperstohelpthemfindtheirwayScientistsknowquitealotaboutstars.Aftercenturiesofpointingtelescopesatthenightsky,as-whentheygetlost.1YoucanusethemtofindtheNorthStarandhelpyouifyouloseyourdi-tronomersandamateursalikecanfigureoutkeytraits(ofanystar,suchasitsmassoritscom-rection,orjustfindtheNorthStarforfunifyou'reintostargazing.position2YoucanusetheBigDipper(北斗七星)tofindtheLittleDipper..TheLittleDipperisTocalculateastar'smass,justlookatthetimeittakestomovearoundacompanionstar.Thentheconstellation(thatcontainstheNorthStar.ThetipoftheLittleDipper'shandleisthedoabitofcalculation.Todeterminewhatit'smadeof,looktothespectrum()oflightthestarNorthStar.Ifyou'reabletolocatetheLittleDipper,youcaneasilyspottheNorthStar.救sendsout.Butonequestionscientistshaven'tquitecrackedyetishowtocalculatetheexacttimeofLocatetheNorthStarwithyoursmartphone.Therearemanysmartphoneapplicationsthatwork地astar.somethinglikeatelescope.Youallowthephonetofindyourlocation,andthenpointyourphoneto"Thesunistheonlystarwhoseageweknow."saysastronomerDavidSoderblom.Heworksatthesky.Thephoneactsasaninteractivemap,identifyingstarsandconstellationsforyou.3theSpaceTelescopeScienceInstituteinBaltimore,Md."WeusewhatweknowaboutitandhowitBuyastaratlas().Iftheideaofcarryingyourphonearoundwhilestargazingkillsthefuncompareswithothers,"hesays,"tofigureouttheageofotherstars.foryou,considerbuyingastaratlasinstead.Youshouldalsoalwaystakeanatlaswithyouwhenhi-Evenwell-studied,starssurprisescientistseverynowandthen.In2019,theredsupergiantkingincaseyourphonebatterydies.4Astaratlasisabookthatbreaksdownthenightskyby英语（人教版）第1页（共4页）衡水金卷·先享题·高一同步周测卷十七英语（人教版）第2页（共4页）新教材

安徽省2023-2024学年度第二学期高二年级阶段性考试（242831D）物理试卷答案第一部分

(2)正确接好如图丙所示的电路,刚接通S1和S2,电流表的示数I1=0.34A;当D刚接通,M快速达到稳定转动时电流表的示数I2=0.37A;;当M持续工作一段时间电流表的示数不再改变稳定为I3=0.40A。,由此可得:工作前的环境温度约为^∘C;R和M都持续稳定工作,发热和散热达到相对平衡时的温度约为^∘C。(结果均保留两位有效数字)

安徽省2023-2024学年度第二学期高二年级阶段性考试（242831D）物理试卷答案第二部分（待更新）

13.(12分)在折射率为n=2的液体内部有一点光源Sn,点光源可以向各个方向移动,初始时刻,在液面上观察到半径为R=0.2m的圆形光斑。(1)求点光源S的初始深度h(2)让点光源5向某个方向匀速移动,发现光斑最右侧边沿B位置不动,最左侧边沿D向左侧2s,x=0.4m,移动,经过2s,左侧边沿D向左移动了x=0.4m,侧面图如图所示,求点光源S的移动速度v。v0