[今日更新]2024届高三先知冲刺猜想卷(三)3.物理试卷答案

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【答案】51.C52.A53.B54.D55.D第IⅡ卷(35分)第三部分：写作（共两节，满分35分）第一节：阅读表达（共5小题；每小题2分，满分10分）【56-60题答案】【答案】56.Addiction./Passion./Enthusiasm./Habit..57.Theauthorpickeduparingandtriedhis/herbesttofindtheowner.58.Becauseofhis/herpooreyesight.59.ThehelpofagentlemaninaCartierstore.60.He/Sheiskind-heartedandhonest.Becausehe/shesparednoefforttofindtheowner.第二节：书面表达（满分25分）【61题答案】【答案】DearJason,Howareyougettingonrecently?Knowingthatyouareinterestedinnon-cashpaymentsinChina,Iamgladtosharesomethingwithyou.Atpresent,therearethreemainpaymentmethodsinChina:mobilephone,creditcardandcash,amongwhichmobilepaymentisthemostused.Aswecanseenon-cashpaymenthasquiteafewadvantages.Firstly,itcanreducetheriskoflosingmoney,andpreventreceivingcounterfeitnotes.Inaddition,wecanpayforwhateverwebuywithonlyasmartphone.Andthebestpartisthatwedon'tneedtoworryabouthavingnochangewhentakingabus.However,non-cashpaymentalsohassomedisadvantages.Itisnotconvenientforsomeelderlypeoplewhodon'tusemobilephones.Additionally,itcan'tprotectpeople'sprivacy.Asforme,Iprefernon-cashpayment,whichIthinkisanindispensablepartofmodernlife.YoursLiJin

(2)在玻璃板前放一支点燃的蜡烛A,可以看到玻璃板后面出现蜡烛A的像,如图所示,将未点燃的蜡烛B竖立着在玻璃板后面移动,发现蜡烛B能和蜡烛A的像重合,表明像和物,此实验过程中是用蜡烛B,等效替代了(蜡烛A/蜡烛A的像)去比较大小;

(2)测量单摆的周期时,乙同学在摆球某次通过最低点时按下停表开始计时,同时数1:当摆球第二次通过最低点时数2,依此法往下数,当他数到80时,按下停表停止计时,读出这段时间t,则该单摆的周期为B.(填标号)A.t39B.t39.5C.t40D.t791:2

12.如图是探究声音的四个实验,其中说法正确的是用小锤轻敲和重敲音叉,发实验加推理探究声音用大小相同的力拨动长度不同的锯现小球弹开的角度不同,探的传播是否需要介质条探究声音的响度与振幅的关系究声音是怎样产生的用力拨动张紧的橡皮筋探究音调与频率的关系ABD