[今日更新]2023-2024学年吉林省高二试卷5月联考(24-500B).物理试卷答案

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[今日更新]2023-2024学年吉林省高二试卷5月联考(24-500B).物理试卷答案试卷答案

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24.WhydoestheauthormentionEdison'swordsinthefirstaragraph?A.TocompareEdisonandNkosi.B.Tointroducethetopicofthetext.C.Tostresstheimportanceofinventions.D.Toshowtheadvantagesofmodernlifestyle25.WhatcanweknowaboutthecountryMalawi?A.Itisinneedofelectricitybadly.B.Manypeopleareaddictedtogames.C.11%ofitspopulationhasaccesstoeducation.D.Manystudentscan'tpasstheexamsduetotheirlaziness.26.WhydidNkosiinventtheturbine?A.Tomakeaprofit.B.Toshowoffhisknowledge.C.Tobringelectricitytohisvillage.D.TowintheawardfromtheQueenofEngland.27.WhichofthefollowingcanbestdescribeNkosi?A.Braveandproud.B.Strongandpatient.C.Confidentandcalm.D.Creativeandgenerous.CIt'snosecretthatwalkingisgoodforyou.Manyofusaretryingtogetinthoserecommended10,000stepsadaythatourwearablefitnesstechnologyurgesustoachieve.Buthowcanwegetthemostoutofthosesteps?Youburnmorecaloriesinashorteramountoftimewithhigher-intensity()exercisethatpushesyouintoahigherheartrate.Walking,however,isamoderate-intensityformofexercise.Togetthemostcalorie-burningbenefits,then,itwouldseemthatwalkingataconsistentlyquickpacethatkeepsyourheartpumpingwouldmakethemostsense.TheAmericanCollegeofSportsMedicine(ACSM)putsyourtargetheartrateformoderate-intensityphysicalactivityat64%to76%ofyourmaximumheartrate.AccordingtotheCentersforDiseaseControlandPrevention,toestimateyourmaximumage-relatedheartrate,subtract()youragefrom220.Forexample,ifyou're28yearsold,yourestimatedmaximumheartrateiscalculatedas220-28-192beatsperminute.Keepingwithourexampleofa28-year-oldperson,amoderate-intensityheartratewouldbebetween123and146beatsperminute.Duringthistypeofexercise,youwillfeelyourbreathingrateincreasebutshouldstillbeabletospeakincompletesentences.Thereisalsoresearchshowingthatchangingyourpacetovaryyourintensity,and,consequently,yourheartrate,throughoutyourwalkcanincreaseyourmetabolic(新陈代谢rateby6%to20%morethanremainingatasteadypacethroughoutthedurationofyourwalk.Basedonthisresearch,youshouldbreakupyourpacetoalsoincludeshortperiodsoflightintensity.Youachievelight-intensityexerciseataheartrateof57%to63%ofyourmaximumheartrate,accordingtoACSM.Fora28-year-old,thatwouldbeequaltoabout109to121beatsperminute,whichshouldfeellikeaverycomfortablepace,whereyoucaneasilycarryonfullconversations.Walkingisabeneficialformofexercise.Whetheryourgoalisfatloss,increasedfitnessorsimplykeepingyouroverallhealth,walkingoffersallthesebenefits.28.Howdoestheauthormainlyorganizeparagraph3?A.Bylistingfigures.B.Byfollowingthespaceorder.C.Byfollowingthetimeorder.D.Bymakingacomparison.【2023年分科诊断测试卷（一）·英语第4页（共8页）】

5.飞机由俯冲转为拉起的一段轨迹可看成一段圆弧,如图所示,飞机做冲拉起运动时,在最低点P附近做半径为r=150m的圆周运动,如果飞行员质量m=75kg,飞机经过最低点P时的速度v=360km/h,,取重力加速度大小g=10m/s^2.,则这时飞行员对座椅的压力大小为

3.某学生小组在进行测量长度为30cm的某种金属丝的电阻率实验时,两电表的示数分别如图甲、乙所示(电压表的量程为∠3V,电流表的量程为0.6A),用螺旋测微器测得金属丝的直径如图丙所示,下列说法正确的是

要求,全部选对得2分,选对但不全的得1分,有错选的得0分)7.下列估测符合生活实际的是()1有错选先A.课桌的高度约为80dmC.人脉搏1s跳动约70次B.手指甲宽度约为1cm