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资阳市高中2021级高考适应性考试(462C)物理试卷答案试卷答案

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高一英语上学期期末综合能力评估试题（二）参考答案及部分解析参考答案1-5BCCBA6-10CACBA11-15CBABA16-20ACBAB21-25ABACC26-30BDDBB31-35CCBCA36-40FEAGC41-45ACBDA46-50BCDBD51-55AACDB56.landed57.holder58.miles59.torest60.who61.to62.and63.flying64.certainly65.our写作第一节Onepossibleversion:DearSam,How'severythingbeengoingrecently?IknowyouareinterestedinChineseclassicalmusic.I'mgladtotellyouthatanonlineconcertwillbeheldinourschoolat4pmnextFriday,duringwhichmanyclassicswillbeplayed.Besides,introductionstothemwillbeincluded.Theconcertisexpectedtolasttwohours.Ihopeyoucanjoinus.ItwillbeagreatchancetogettoknowsomeChinesemusicandculture.Lookingforwardtoyourreply.Yours,LiHua第二节Onepossibleversion:WhenJet'smompickedhimupfromschool,BigDogwasinthebackseat.Jetputhisarmsaroundhismom,andthenaroundBigDog."AreyouexcitedtoseeBigDog?"Momasked."Ofcourse!Iwasn'tsureIwouldgethimback,"Jetsaid.Jettookthealbumoutofhisbag,andgaveittohismom.Hewasexcitedandalittlebitnervous,ashedidn'tknowifhismomwouldlikeit."Ihaveasurpriseforyoutoo,"Jetsaid.Astheylookedatthepictures,Jet'smomlaughedandcried,andshenoticedablankpageattheendofthebook."Looksasifthere'sroomforonemorepicture,"Momsaid,smiling."DoyoumindifIdrawit?"Jetdugintohisbackpackandhandedherapencilandsomemarkers.Shedrewapictureofthemsittinginthecarlookingthroughtheirfirstphotoalbumsincethefire,withBigDogtakingalooktoo."Iloveit,Mom,"Jetsaid."Let'sgohomeandseewhatothersurpriseswecanfindinthoseboxes."部分解析阅读第一节A篇主题语境：人与自我一一生活与学习

资阳市高中2021级高考适应性考试(462C)物理试卷答案第一部分

(2)为了精确地测量待测电阻的阻值,利用伏安法完成电阻的测量,并要求电表的示数从零开始调节,则电流表应选A;电压表应选C;滑动变阻器应选E;(填器材前的字母序号)I=3

资阳市高中2021级高考适应性考试(462C)物理试卷答案第二部分（待更新）

11.(19分)如图所示,某游戏装置固定在水平地面上,由弧形轨道AB,,竖直圆轨道BMCND,,水平直轨道DE平滑连接而成,弧形轨道底端与圆轨道间略错开,不影响小球旋转后进入水平轨道。已知圆轨道半径R=1m,弧形轨道和圆轨道均光滑,小球与水平直轨道DE间的动摩擦因数从D开始沿轨道均匀减少,=0.8-0.1x(x为到D端的距离),重力加速度g取10m/s^2。,质量m=1kg的小球从离地高h处的A点由静止释放。(1)若小球能通过轨道的最高点C,则h至少多大?(2)若小球不脱离轨道,且小球能进入水平直轨道DE的光滑区域,求h的取值范围;(3)若在竖直圆轨道D点正上方开一段缺口MN,M、N点关于OC对称,小球能沿路径BMND运动,当h最小时缺口所对的圆心角a为多大?E