[今日更新]2023-2024学年上学期保定市高一年级1+3联考12月月考.物理试卷答案

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[今日更新]2023-2024学年上学期保定市高一年级1+3联考12月月考.物理试卷答案试卷答案

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D.Peoplehaveeveryreasontobeworriedaboutthefuture.29.Whaoeseitrndenp?DailyouethaicohomiLoouB.Reminderthattheordhabeechnged.014g9tni,,人9iy止yC.Eventsthatpeoplecandoduringthepandemic.D.Thingsorpeoplethatcarrysymboliemeanings.30.Whatdoeshedoorininparagraph3?A.Cooperative.B.Pioneering.31..Whatisthemainpurposeofthetext?C.Independent.D.Adventurous.了2.0部09游小增，小它A.Toexpreswisdomnedfromprevioxperiene..tg是，文fB.Togivepeoplesometipsonhowtohandleacrisis.C.Todeliveranupliftingmesageoverthepandemic,D.Toencouragepeopletoenjoythegreatoutdoore.e9eo功DFormostofourhistory,humanshavebeenshort,astudyhasfound.Untilaround150yearsago,fewpeoplegrewtallerthan170centimetres.ChristianeSchefflerattheUniversityofPotsdamandMichaelHermanusseninAltenhofhavespentseveralyearsstudyingtheheightofpeoplefromawiderangeofpopulations.Intheirlatest731Ypaper,theycombinedanexistingdataofmorethan6000prehistorichumanskeletonswithmultiplestudiesofmorerecenthistoricalpopulationsfromEuropeandtheUS.Theyalsoincludedtheirowndataon1666present-dayschoolchildrenfromIndonesia.Intheprehistoricpopulations,themaximumheightformenwas165to170centimetres,whilewomentoppedoutat160cm.Today,meninEnglandhaveanaverageheightofaround175cm,whileforwomenitisabout162cm.Butthereissignificantvariationbetweenmoderncountries.TheIndonesianschoolchildreninthestudywereshorterthansimilarlyagedchildrenfromtheUS,despitebeingwell-nourished.SchefflerandHermanussenarguethatheightcanbeasignalofdominance(显赫地位)，soimsocietieswhereitispossibletomoveupthroughthesocialclasses,evolutionfavoursindividualswhoreachagreaterheight.SubramanianatHarvardUniversityisn'tconvincedbythepair'sinterpretation.Histeampreviouslyshowedthatthebestpredictorofachild'sheightistheheightoftheirparents.Thissuggeststhattheinuenceoftherfactorsuchassoamobility,islimitedAfterassingy163,0childrenlivingin55wndd-no,Subramanian'teamfoundtha42.9erhadpfng(阻a碍发育）rtherphysicalindicatorofhfact.Thisimpliesthereisaloatofhidhenmalnmuiritionhaldoesnineealiselfthroughsninag.Asontebylookingatheirdehtf02116Ti.Subramanian.高三英试·第6页（共10页）

3.某一导体的伏安特性曲线如图2中AB段(曲线)所示,关于导体的电阻,以下说法正确的是()A.B点的电阻为6ΩB.B点的电阻比A点的电阻大5.5ΩC.A点的电功率为3WD.B点的电功率比A点的电功率大12w

6.某软件中运动步数的测量是通过手机内电容式加速度传感器实现的。如图所示,电容M极板固定,N极板可运动,当手机的加速度变化时,N极板只能按图中标识的“前后”方向运动。图中R为定值电阻。下列对传感器的描述正确的是A.静止时,电容器两极板不带电B.保持向前匀减速运动时,电路中存在恒定电流C.由向前加速突然停下,电流由b向a流过电流表D.由静止突然向后加速,电流由a向b流过电流表

13.(1213.(12分)如图所示,倾角为30°的斜面固定在水平地面上,顶端固定一轻质、光滑的定滑轮,一30^条不可伸长的轻绳烧过定滑轮分别与物块A、B(视为质点)相连.初始时刻,A静止在斜面别为顶端,B静止在地面上,绳子处于竖直伸直状态,现由静止释放A.已知A、B的质量分别为mA=4kg、mB=1kg,Am=4kg、m=1kg,A与斜面间的动摩擦因数1=2315,重力加速度g取10m/s^2,B到定滑轮的距离h=5m.求:h=5m.(1)B碰到定滑轮时的速度大小;(2)B离开地面时轻绳受到的拉力大小.