[今日更新]百师联盟 2024届广东省高三12月联考.物理试卷答案

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[今日更新]百师联盟 2024届广东省高三12月联考.物理试卷答案试卷答案

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atistheAustralianMuseumfamousorn1oo113190aO,somA.Thelowestprice.C.Outdoorattractions.DThelongesthistoryon24.BConemporaryart.2.WhereshoultyoueotyouwamtopieiaelidsirestfomAs20g00:010,A.AustralianMuseum.(伦0阳伦能，并两共)夷倒公腊二年B.ArtGalleryofNewSouthWales.8,6合南企8小静，遐小1北)矿一年C.AustralianNationalMarit品能Ml成个四L,),&,/的@从，女伊位牙黄25D.MuseumofContemporaryArtAustralia.23.WhatcanbeseenistrNatonalMaritimeMuseum?A.A3Dcinema.Adesign'stafion9emeaienoan9油swoowbamg1mo0wmpaDMnimauAC.Localcontemporaryculture.D.LateArtDecoarekiterebainThroghotthistory,ninyspeGesofanindlshsveehthreatenedwithexihcion.WhetNorthmeorhonbuffaloedonthedonthtatblYet'Hluntihiehebufaiowassopoptlarduringthei9heentarythafby1900fheanimal'spopulationhadfallentobou00beforethegovernmentsteppedintoproteetthespecies.Insomecountriestoday,theelephantfacesasimilarchallenige,asillegalhunterskilltheanimalsfortheivoryintheirtusksomooYetnotallanimalswithcommercialvaluefacethisthreat.Thecow,forexample,isaval-uablesoureeoffood,butnooneworriesthatthecowwillsoonbeextinct.Whydoesthecom-mercialvalueofivorythreatentheelephant,whilethecommercialvalueofbeefproteetsthecow?○1/)1z0人hAg0gm9oO102/oThereasonisthatelephantsareacommonresource,whilecowsareprivategoods.Ele-phantswanderfreelywithoutanyowners.Thehunterhasastrongmotivationtokillasmanyelephantsashecanfind.dBecauseillegalhuntersarenumerous,eachhasonlyaslightmotivationtopreservetheelephantpopulation.Bycontrast,cattleliveonfarmsthatarepri-vatelyowned.Eachfarmermakesgreatefforttomaintainthecattlepopulationonhisfarmbe-causeheharveststhebenefitoftheseefforts.Governmentshavetriedtosolvetheelephant'sproblemintwoways.Somecountries,suchasKenyaandUganda,havemadeitillegaltokillelephantsandselltheirivory.Yettheselawshavebeenhardtoputintoeffect,andelephantpopulationshavecontinuedtodwindle.Bycontrast,othercountries,suchasMalawiandNamibia,havemadeelephantsprivategoodsandallowedpeopletokillelephants,butonlythoseontheirownproperty.

1.生活中处处存在静电现象,有些是有利的,有些是有害的。关于静电的防止与利用,下列说法正确的是A.印染厂应保持空气干燥,避免静电积累带来的潜在危害B.在高大的建筑物顶端装上避雷针是为了防止静电造成危害C.燃气灶中的电子点火器,是利用摩擦起电的原理进行点火的D.油罐车尾部都有一条拖在地上的铁链,这根铁链的作用是为了利用静电

15.(14分)如图所示,一轻弹簧的一端固定在倾角为θ的固定光滑斜面的底部,另一端与质量为m的小物块a相连,另一质量为35m的小物块b紧靠静止在斜面上,此时弹簧的压缩量为x0,从=0时刻开始,对物块b施加沿斜面向上的外力F(图中未画出),使其始终做匀加速直线运动.经过一段时间,物块a,b分离:再经过同样长的时间,距其出发点的距离恰好也为x0,,弹簧的形变始终在弹性限度内弹性势能Ep=12kx^2(其中为弹簧的形变量),重力加速度大小为,物块a、b均视为质点.求:(1)物块b做匀加速直线运动的加速度大小a0(2)从t=0时刻至物块ab分离的过程中外力F所做的功WF.

4.n=2如图所示为氢原子的能级图,下表为可见光光子能量范围。大量处于n=2能级的氢原原子吸收蓝一靛光的能量后,因为不稳定又向低能级跃迁,最多可释放几种颜色的可见光B大量粒子从4跳一个粒子nE/eV0-00.544-00.8331.51@2---3.40--13.60D073+2+1A.1种B.2种C.4种D.5种