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[今日更新]山西省八年级2023-2024学年新课标闯关卷（三）SHX.物理试卷答案

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(Text4)W:Theconcert'sinamonth,Dad.Youwon'tforgettobuythetickets,willyou?M:I'llgetthemnextweek.DidSandyaskherparentsifshecouldgowithyou?Ifshecan't,yourbrotherwill.He'llgetbackhometheweekbeforetheconcert.(Text5)W:Wow!Icanseethehillsfromyourwindows.Isthatthereasonyoumovedtothisarea?M:No.IcameherebecauseitmeantI'dhaveaneasierjourneytowork.It'snotcheaptolivehere,butI'vegotloadsofspace.(Text6)W:Excuseme,Sir.CanIaskyouaquestion?M:Yes,please.Whatisit?W:Howmanytimesdoyoutaketheplaneeveryweek?M:Well,ItakeiteverydayexceptonSundayinaweek.W:Really?Soyoupayforticketseachtime.Areyouveryrich?M:Oh,no,littlegirl.Actually,that'smyjob.Theypaymeforthat.W:Howluckyyouare!Oh,mymumiscoming.Wearegoingtothesecuritycheckoverthere.Bye.(Text7)W:Goodmorning.MynameisMary.M:Goodmorning.WouldyoumindifIaskyousomequestions?W:Ofcoursenot.M:WhatdoyougotoAmericafor?W:I'dliketostudyformymaster'sdegree.M:Willyougetanykindofscholarship?W:Yes.Theschoolhasprovidedmewithapartialscholarship.Andmyfatherisreadytocovertherestexpenses.Hereisthebankaccountproof.M:Allright.AreyouplanningtoworkinAmericaaftergraduation?W:No,sir.I'msuretocomebacktoChinaassoonasIgetmydegree.Anyway,it'smyhometown.Ithinkit'sbettertostartupmyownbusinessinmyfamiliarplacethaninoth-ercountries.M:OK.Now,completetheformandwe'llinformyouatonce.W:Thankyouverymuch.(Text8)W:DoyouknowNatKingCole?M:Youmeanthepopsinger?Yeah.Whatabouthim?W:InhissongSmile,hetellspeopletosmilethroughheartbreak.Butnow,researchsug-geststhatfalsehappinessmayjustmakethingsworse.M:Really?Tellmemoreaboutit.W:Researcherstookpicturesofbusdriversandthenlookedintotheexpressionsontheirfaces.·77:【23·G3DY(新教材老高考)·英语·参考答案一WYB一必考一QG】

11.如图所示,足够长的磁铁在空隙产生一个径向辐射状磁场,一个圆形细金属环与磁铁中心圆柱同轴,由静止开始下落,经过时间t,速度达最大值v,此过程中环面始终水平。已知金属环质量为m、、半径为电阻为金属环下落过程中所经过位置的磁感应强度大小均为B,重力加速度大小为g,,不计空气阻力,则A.在俯视图中,环中感应电流沿逆时针方向B.环中最大的感应电流大小为C.环下落过程中一直处于超重状态D.t时间内通过金属环横截面的电荷量为mgt-mvB2r

5如图所示为一半径为R的透明半球体,PQ为半球体的直径,O为半球体的球心,A为PO的中点,现有一束平行光垂直圆面射入半球体,其中由A点射入半球体的光线射出半球体的偏转角为=30^.如果在入射面放一圆形遮光板,使其余位置射入的光线都能发生全反射,则遮光板面积的最小值为A.R^25B.R^24C.R^23CPD.R^22

[今日更新]山西省八年级2023-2024学年新课标闯关卷（三）SHX.物理