[今日更新]河北省2024年初三模拟演练（四）.物理试卷答案

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[今日更新]河北省2024年初三模拟演练（四）.物理试卷答案试卷答案

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AlthoughitisaperfectplacetoseenativeNorthernCaliforniawildlife,there'snoneedtospendalltheafternoonwatchingsealionsheresinceFisherman'sWharfiscentrallylocated.Fromhere,NorthBeach,GhirardelliSquareandChinatownareallwithinwalkingdistance.VisitGhirardelliSquare,hometotheamazingGhirardelliIceCreamandChocolateShop,andPier39,alivelymarketplacewithshops,restaurantsandmusic.ChinatownSanFrancisco'sChinatownwasthefirststopforearlyChineseimmigrantsfromthe1850stothe1900s.Manyofthemfoundjobsinthelargerailwaycompanies.Othersworkedasmineworkersduringthe1849GoldRush.TheycametotheUnitedStateswiththehopeofsendingmoneyhometosupporttheirfamilies.Sotheyoftenhadtotakeanyworktheycouldget.FearsbegantoariseamongnonChineseworkersthattheycouldbereplaced,andviolencetowardsChineseimmigrantsroseafterthePanicof1873.MostChineseimmigrantswerefromsouthernChinaatthattime.ManyofthemspokeCantonese,whichisthemostwidelyuseddialectinChinatown.21.WhatcanweknowabouttheGoldenGateBridge?A.Touristsareencouragedtogothroughthebridgeincars.B.Itisstillthelongestandthetallestbridgeintheworld.C.Theconstructionofthebridgestartedintheyearof1937.D.VisitorscangetagoodviewoftheBayAreafromthebridge.22.Whichisthebestplacetowatchsealions?A.Pier39.B.Fisherman'sWharf.C.NorthBeach.D.GhirardelliSquare.23.WhydidattacksagainstChineseimmigrantsrisequicklyafter1873?A.Theirco-workerscouldnotunderstandtheirdialect.B.Theyfoundmanygoldminesandmadetoomuchmoney.C.Thenon-Chineseworkersfelttheirjobswerethreatened.D.Thecompanieswantedtoreplacethemwithcheaperworkers.BGlobally,70millionpeoplestutter().Livingwithastutterhasn'tbeeneasy."Ialwaysfeltembarrassed,"saidHollyNover,a40-year-oldmother,whose10-year-oldsonColtonalsohasthesamespeechproblem."SoIgrewuptryingtohidemystutter."SherecalledaparticularlydifficultmomentyearsagowhenshehaddifficultyinreadingtheGettysburgaddressinclass."Iwenthomeandcried.ButmymothercomfortedmethatitwouldnotdefinemeandthatIcouldbemuchmorethanIseemyself,shesaid."Iwantmysontocarryonwhatmymothersaidtome..”Forcenturies,peoplehavefearedbeingjudgedforstuttering,aconditionoftenmisunderstoodasapsychologicalproblemcausedbythingslikebadparentingoremotionalstress.Still,manypeopleincorrectlybelievepeoplestutterbecausetheyarenervous,shyorsufferedchildhoodadversity-andiftheyjusttriedharder,theycouldstopspeaking.ButanewstudypresentedataconferenceonSaturdaysuggestedthatstutteringmayberelatedtoextremelyhighlevelsofachemicalinthebraincalleddopamineandthatstutteringtreatmentwillbeavailableinthenextfewyears.Nover,aspeechandlanguagescientist,saidmanypeoplewillsurelybeinterestedintryingstutteringmedications.Butsheishappywithherlifeasitisandhasacceptedherstuttering.【高三11月联考·英语试卷第3页（共8页）】233092D

3.中国科幻电影《流浪地球2》中的“太空电梯”非常吸引观众眼球,得到众多天文爱好者的关注,某兴趣小组在其基础上设计出了如图所示的模型。空间站A和卫星B通过一根超级缆绳相连,二者均在赤道平面内,在各自的轨道上绕地球做匀速圆周运动,不考虑绳系卫星与空间站之间的万有引力和空气阻力,不计缆绳的质量,则下列说法正确的是A.正常运行时,超级缆绳中的拉力为零B.绳系卫星B的角速度大于空间站A的角速度C.如果超级缆绳断裂,空间站将做近心运动,掉到地球上D.若在绳系卫星B的轨道上存在另一颗独立卫星C,其角速度大于绳系卫星B的角速度

9.光滑且不计内阻的U形导轨,两平行导轨间距为L,倾角为θ,一阻值为R、长为L、质量为m的导体棒水平放在导轨上。导轨所在空间存在方向竖直向上的变化磁场,磁感应强度大小满BL

5.如图所示,a、b两束光以相同的入射角射入长方体形玻璃砖中,两束出射光在平行于玻璃砖的屏上形成M、N两个光斑,已知a光折射光线的侧移量大于b光折射光线的侧移量。下列说法正确的是A.在真空中,a光的波长更长B.在真空中,a光光子的动量更大C.若a、b两束光在屏上会聚于一点,可发生干涉现象D.若a、b两束光分别通过同一个狭缝,则a光形成的亮条纹更宽