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临川一中2023-2024学年高一下学期考试(3月)物理试卷答案试卷答案

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M:You'reright.Let'srest,andthenI'llleadusthelastthreekilometerstothetop.(7)W:Takeyourtime,Michael.Text7M:Sorryfortheslowtraffic.(9)There'sbeenanaccidentonthebridge,andtheundergroundpassageisshutbecauseofthesnow.So,there'snootherwayintothecity.W:That'sOK.It'snotyourfault.(8)M:IsthisyourfirsttimeinNewYork?W:No,Iwashereafewyearsagoforamedicalconference.M:Soareyouadoctor?W:No,Iworkforacompanythatmakesmedicine.M:Soyou'reascientist?W:Yes,achemist.M:That'simpressive.You'reprobablythesmartestpersonI'veeverhadinmytaxi.(8)W:I'msureyou'vehadlotsofpeoplesmarterthanme.M:I'vehadafewfamouspeople,butneverascientist,oratleastneveroneIknewabout.Sowhatbringsyouback?W:I'mmeetingmyson.Heisherestudyingforsixmonths.I'mjustspendingaweekhere,thenflyinguptoTorontotovisitmyaunt.(10)M:You'dbetterflytherewhileyouarehere.It'salongwayfromLondon.(9)W:ExactlyText8M:Thatwasawful.Icouldonlyanswereightoutofthetenquestions.(11)(12)W:Youdidwell.Ionlyansweredhalfofthem.(11)(12)M:Ifthatwasjustatest,Ihatetothinkwhattherealexamwillbelike.(12)W:Maybetheymadeithardsowe'llfindtherealexameasier.(12)M:Youarebeingveryhopeful.Whichquestionsdidyoustrugglewith?(13)W:ThedatesoftheHanDynasty-mymindjustwentblank.Therehavebeensomanydynasties.(13)M:I'mlikeyou.Icanneverrememberdates.Ididn'tknowthedateofthatwarwiththeEnglish-theOpiumWar.(13)W:Meneither-butthereisonethingwehavelearned.M:What'sthat?W:Webothneedtodoalotmorereadingifwewanttopassthatexam.M:Youareabsolutelyright.Weneedtogettoknowthissubjectalotbetter.Text9W:Ican'tmakecleartheserecyclingrules.(14)M:What'stheproblem?W:Well,forinstance,theseenvelopesaremadeofpaper,buttheyhaveaplasticwindow.So,dotheygowiththeplasticorthepaper?(15)M:No,thosecan'tberecycled.Justputthemwiththegeneralwaste.(15)宁波市2022学年第一学期高考与选考模拟考试英语参考答案3

临川一中2023-2024学年高一下学期考试(3月)物理试卷答案第一部分

3.如图所示,某小型水电站发电机的输出功率,P=200kW,,发电机的电压U1=500V,经变压器升压后向远处输电,输电线总电阻R=4,,在用户端用降压变压器把电压降为U4=220V。,已知输电线上损失的功率为发电机输出功率的5%,假设两个变压器均是理想变压器。下列说法错误的是()A.发电机输出的电流l1=400AB.输电线上的电流I=50AC.升压变压器的匝数比n1:n2=1:8D.用户得到的电流I4=466A

临川一中2023-2024学年高一下学期考试(3月)物理试卷答案第二部分（待更新）

9如图所示,工厂利用足够长的皮带传输机把货物从地面运送到高出水平地面的C平台上C平台离地面的高度一定.传输机的皮带以一定的速度v顺时针转动且不打滑,将货物轻轻地放在A处,货物随皮带到达平台,货物在皮带上相对滑动时,会留下一定长度的痕迹.已知货物皮带间的动摩擦因数>tanθ,最大静摩擦力等于滑动摩擦力,则下列说法正确的是A.传送带对货物做的功等于物体动能的增加量B.传送带对货物做的功小于货物对传送带做的功C.货物质量越大,皮带上因摩擦生热越多D.因传送货物,电动机多做的功等于货物机械能的增加量