[今日更新]衡水金卷先享题调研卷2024答案(黑龙江专版)四.物理试卷答案

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[今日更新]衡水金卷先享题调研卷2024答案(黑龙江专版)四.物理试卷答案试卷答案

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第二部分单项选择（共10小题：每小题1分，满分10分)21.Listen!Theremustbesomeonethroughthejungle.A.walkB.walkingC.towalkD.iswalking22.Yourtimeshouldhavebeenmadefulluseofthefinalexams,but,tomyregretitwasn't.A.topassB.passingC.tohavepassedD.havingpassed23.-Tom,haveyoueverreadthebookATaleofTwoCitiesbyCharlesDickens?-Yes,Ifinishedreadingitlastwintervocation.A.wroteB.towriteC.writingD.written24.ThebestwaytolearnEnglishisyouinanEnglish-speakingenvironment.A.let;liveB.tolet;toliveC.tolet,liveD.letting;living25.I'mveryandIreallyneedavacationA.tired,relaxingB.tired,relaxed(tiring,relaxingD.tiring,relaxed26.---Howdidyougetintouchwiththetravelagent.Robin?---Oh,IsurfedtheInternetandthencalledonetelephonenumberisprovided.A.whichB.whoC.whoseD.that27.Thenumberofthestudentsstayeduplatelastnightreachedfifty.A.whoB.whomC.whatD.which28.StudentsshouldinvolvethemselvesinactivitiestheycangetexperienceforgrowthA.whoB.whenC.whichD.where29.I'minterestedinyouhavesaid.A.allwhatB.allthatC.whatthatD.allwhich30.IshallneverforgetthedayShenZhouVwaslaunched,hasagreateffectonmylife.A.when,whichB.that,whichC.which,thatD.when,that

7.如图所示,2022年7月15日,由清华大学天文系某教授牵头的国际团队近日宣布在宇宙中发现了两个罕见的恒星系统。该系统均由两颗互相绕行的恒星组成,被气体和尘埃盘包.24-142C.

(2)若已知贡差的质量为m1,,与耐力板间的动摩擦因数为1;红壶的质量为m2,与耐力板间的动摩擦因数为,则验证动量守恒定律的表达式为m1n=m,Tun3(用题中所给母表)

(2)该同学再利用该光敏电阻设计了图乙所示的光控电路,从而实现对灯的开关控制,光敏电阻阻值与照度的关系如图丙所示,可知当照度为0.4lx(lx为照度的单位)时,光敏由阳的阻值为40