河北省石家庄赵县2023-2024学年度八年级第一学期完美测评②物理试卷答案试卷答案,炎德英才答案网站目前收集并整理关于河北省石家庄赵县2023-2024学年度八年级第一学期完美测评②物理试卷答案试卷答案得系列试题及其答案，更多试题答案请关注我们
河北省石家庄赵县2023-2024学年度八年级第一学期完美测评②物理试卷答案试卷答案
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idndihichhwedtheirhousesandfurnitureshakingforseveraminedurngthLucyPreentofPeruhispopbrthrethtbridgemyhveclpnyodscohavebeenmgfirst-handandplentifTheheadofPeru'sNationalEmergencyOperationsCentersaidthedeathsofardiscoveredoccurredwhensubstitutedetroyedbykhhellonthistriersipeoperehavLucypltaisandtwgfirefightershavenpictureromYmhowingtheolaphousPowercutsweresheetsImfindamatnumberofAmazoniancities.EukeemothinginPeru,whichlienthePacific'so-caldRingfre,nreaeshellsandWhilmosoftheortken.mgntudetquakeledtoadeadlylandslidewhichoettheproduabout70,000people.Morerecently,500peoplediedduringasimilar-sizedquakenearLimain2007.15.What11.Whatcanwelearnaboutthelargeearthquake?A.HA.Itcausedonlyonedeathasyet.B.Thevideosaboutitfrightenedpeople.C.TC.Itsepicenterwas160milesfromLima.D.ItknockeddownpowerlinesacrossPeru.16.Wha12.WhatdidthepresidentofPerudoduringthelargeearthquake?A.A.Hetoldhispeoplenottopanic.C.AB.Heintroducedthegeneralsituationofit.17.WhaC.Heencouragedpeopletogototheworst-hitarea.A.D.HesuggestedrebuildingthedamagedbridgequicklyB.13.Whatisthefourthparagraphmainlyabout?A.Therescuework.D.C.Thecurrentdamageoftheearthquake.B.Thesceneoftheearthquake.18.Wh14.Whatcanwelearnfromthelastparagraph?D.Thedeathsandinjuriesintheearthquake.AA.EarthquakesinPeruoftenleadtolandslides.B.MostearthquakeshappennearLimainPeru.C.C.EarthquakesinPerudon'tusuallykillmanypeople.D.D.EarthquakesarecommoninPeruduetoitslocation.【答案与【答案与解析】年本文介绍了秘鲁一次8.0级大地震的有关情况以及该国频繁发生地震的原因
没有危11.A根据第2段第1句和第4段第1句可知，这次地震目前仅造成一人死亡
15.C12.A根据第3段第1句可知，秘鲁总统在前往受灾最严重的地区之前让民众保持冷静16.D13.C根据第4段内容可知，本段主要讲述这次地震目前造成的伤亡以及对建筑物、电力等造成的破坏
17.B14.D根据最后一段可知，在秘鲁经常发生地震，因为它的地理位置特殊，处在环太平洋火山带上
【命象BA23-year-oldproductdesignstudentfromUniversityofSussex,LucyHughes,hastakeninspirationfromtheseas【银tofindasolutiontotheplasticpollution.Shehasinventedabioplasticcreatedfromfishskinandscales(andred18.Aalgae()whichcouldhaveahugeimpactonlimitingtheamountofnon-biodegradableplasticwaste.第三音Thenewly-developedmaterial,calledMarinaTex,canbreakdowninasoilenvironmentinfourtosixweeksandcanbedisposedofthroughordinaryfoodwastecollections.Itisalsocheapertoproduceandstrongerthanastandardplasticbag.toldr"I'mnotalone.Thereisagrowingcommunityofbioplasticpioneersworkingtowardsfindingalternativestoourreizenlianceonplastic."Luysaid.Wearetransformingawastestreamintothemaincomponentofanewproduct.Bydoingso,wehavecreatedaplastic-like'materialmoreplanet-friendlywithappropriatelifecycleforpackaging.Itdoesnotday￥giveoffpoisonsintothenaturalenvironment."HowBut◇金太阳AB创新卷·英语（滚动卷）◇2022.11.1117:47
河北省石家庄赵县2023-2024学年度八年级第一学期完美测评②物理试卷答案第一部分
(2)该同学先用如图甲所示的向心力演示器探究F与的关系.①把两个质量相等的钢球放在A、B位置,A、B到各自塔轮中心距离相同,将皮带处于左右塔轮的半径不等的层上,转动手柄,观察左右标出的刻度,此时可研究向心力的大小与的关系,A.质量mB.角速度ωC.半径r
河北省石家庄赵县2023-2024学年度八年级第一学期完美测评②物理试卷答案第二部分（待更新）
9.反射式速调管是常用的微波器件之一,它利用电子团在电场中的振荡来产生微波,现对该过程做如下简化:匀强电场的方向平行于x轴,其电势ϕ随x的变化关系如图所示,质量为;m=1.010^-20kg荷量为q=1.010^-9C的带负电的粒子,从x=-10cm处静止释放,仅在电场力作用下在x轴上运动不计粒子的重力,下列说法正确的是轴负半轴电场强度和正半轴电场强度的大小之比为2∶1B.粒子运动到x=c处,速度最大C.粒子的最大动能为410^-8JD.粒子完成一次往复运动所需时间为32410^-7s
