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2024~2025学年高二年级阶段性测试(25017B)(物理)试卷答案试卷答案
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"ThefundingfromtheSolentLEPtosupportthedevelopmentoftheCEIwilldeliversignificanteconomicandsocialbenefitsandclearlydeliversourambitionsforresearchwithimpactandsustainability()assetoutinourvisionfor2030."5.WhatdoesCEImainlydoduringtheproject?A.HelptheSolentLEPmanageitsproduction.B.Determineeconomicprioritiesintheregion.C.Makegreatdonationstotheinternationalprogram.D.Getachemicalforthereductionofplasticpollution.6.Whatdoestheunderlinedword"facilitate"inparagraph3mean?A.Promote.B.Decrease.C.Shorten.D.Prevent.7.WhatcanweknowfromProfessorGrahamGalbraith'swords?A.Scientificresearchmustneedindustries'support.B.Itislongandhardworktoreducepollutingplastics.C.ThefundingfromLEPwillhaveshort-termbenefits.D.TheCEIhasbuiltabridgebetweenresearchandindustry.8.Whatdoesthetextmainlytalkabout?A.Thebestwaytogetridofpollutingplastics.B.Universityreceivesfundingforplasticrecycling.C.Localandnationalpartnershipsstrengthentheresearch.D.Industries'supportisthekeytoreducingpollutingplastics.【语篇导读】本文是一篇新闻报道
文章报道了一家企业投资了大学研究，帮助回收再利用塑料
5.D细节理解题
根据第二段theexpansionoftheUniversity'sCentreforEnzymeInnovation(CEI),whichtakesenzymesfromthenaturalenvironment..mostpollutingplastics可知，这个项目是从自然环境中提取酶，用于塑料的回收再利用
6,A词义猜测题
根据空前的whoplaysaleadingroleindeterminingeconomicprioritiesintheregion可知，此处指这些工程对目前环境下的经济复苏有提升作用
7.D推理判断题
根据第六段中的“TheCEIisauniqueenvironmentforindustryandacademiatoworktogethertoshape,refine,developandtestthenewtechnologiesemergingfromthisground-breakingresearch.",CEI为学术与企业之间的合作建起了桥梁
8.B主旨大意题
通读全文可知，文章主要讲述了theUniversityofPortsmouth的研究人员收到来自LEP的捐赠用以研究如何回收再利用塑料
二、完形填空（共20小题；每小题2分，满分40分）阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项
Iwastheonlynewkidinthekarate()class.Everyoneelseknewalotofthemovesandhadyellowororange9,standingfortheirlevels.Ihadatotalbeginner'swhitebeltandfeltextremely10thewholewaythroughtheclass.Itriedmyhardestto11along,buteverythingwasmuch12thanIthoughtitwouldbe.13,asIwasputtingonmyshoes,Iwasthinking,"ThereisnowayIamevercomingbacktokarate!"Andthat'swhenI14Elizabeth.“Youdidgreat!!”Isaid.“Iwassostupid!”“That'showI15atfirst,too,”shesaid.“Ifyouwant,Icanhelpyou16.”Iagreedandsincethenwe'vebeenamazingfriends.Notverylongago,Elizabethhadto17.IfeltverysadafterIheardabouttheterrible18.ElizabethandIhadtocomeupwitha19.Wewereactuallypretty20withoursolution.Here'swhatwedid.First,weaskedmymomtotakea(n)21ofustogetherandhelpusprintitoutinregularsizeandtinysize.Weputtheregularphotosinspecialframes(thatwe22with"FriendsForever".Then,we23thetinypictureofusinhalfandputthehalfwiththeother'sfaceinourownlocketnecklace().·14·
L15.(12分)如图所示,边长为L的正方形金属线框放在光滑绝缘的水平面上,线框的质量为m、m、R.电阻为R,虚线的右侧有垂直于水平面向下的匀强磁场,线框ab边到磁场边界的距离为ab2L.给线框一个水平向右的拉力,使线框从静止开始做匀加速直线运动,开始时拉力的大小为F,ab边始终与磁场边界平行,,cd边刚要进磁场时,拉力大小为2F.(1)线框ab边刚进磁场时速度的大小(2)匀强磁场的磁感应强度大小x
14.(14分)如图所示,AB为足够长的倾角=37^°的斜面体,与直轨道,BCD在B点平滑连接,半径R=1.6m,内壁光滑的竖直圆轨道与直轨道相切于点,另一半径v=1.5m、心角a=53^°的光滑圆弧轨道与直轨道相切于D点。一可视为质点的质量m=0.2kg的物体在斜面体上的某位置由静止释放,物体刚好能通过竖直圆轨道的最高点Fn然后经C点进入CD段,最终由E点离开轨道落在水平面上。已知BC=CD=3.2m,.物体与轨道AB段,、BC段以及CD段的动摩擦因数均为k=0.5,37^=0.6,53^=0.8,0.3504=0.59,重力加速度取10m/s^2。。忽略空气阻力。求;(1)物体经过C点时对轨道的压力大小;(2)物体在斜面体AB上的释放点到B点的距高;(3)物体落在水平面上的点到E点的水平距高(结果保2位小数)。
图线可以判断A.甲、乙两小球做的是初速度方向相反的匀变速直线运动,加速度大小相同,方向相同CB.两球在t=8s时相距最远C.两球在t=2s时刻速度相同D.两球在t=8s时相遇
