[今日更新]安徽省2024年九年级考前适应性考试(二).物理试卷答案

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[今日更新]安徽省2024年九年级考前适应性考试(二).物理试卷答案试卷答案

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1.WhatcanweleamaboutthechildrenfromParagraph1?tainvaccinationstoenterthecountry.YourdoctorcangiveyouanInternationalCertificateofVacci-A.Theyweretiredaftertheoverseastrip.nation,orYellowCard,toprovideasproofofinoculation.B.Theyplayedcardsafteraday'svisit.Sowhereveryournextstopmaybe:Goodluck.C.Tneywereallfromthesameschool.A.Askalocalfortheiradvice.D.Theyweretooexcitedtosleep.B.Figureouthowlongyouwillgo.2.Inwhichcountrydidtheauthorstaywithahostfamily?C.Considerhowyouplantouseyouraccommodations.A.France.B.Switzerland.C.Germany.D.EnglandD.Ifyou'renotflying,youcanbooktrainandbustravelonline,too.3.Whatcanweinferfromthelastparagraph?E.Tellyourdoctorwhereyouaregoinganddiscusswhichvaccinesyouwillneed.A.Theauthor'smomwasworriedabouthertripabroad.F.Havingonlyasinglebagwillenableyoutomovequicklyfromonecitytoanother.B.Theauthorwasinjuredduringthetrip.G.Ifyoudon'thaveenoughmoney,youmaydecidetoputoffyourtripuntilyoucansavemore野C.Theauthorthoughthighlyofthetrip.money.分数D.Theauthorcouldhardlywaittoreturnhome班级姓名4.Whatwouldbethebesttitleforthetext?完形填空123456789101112131415A.Asleeplessnight答案些B.AbeneficialjourneyC.Anintroductiontodifferentcultures阅读D.Alife-changingtripinBritain答案五、七选五（共5小题；每小题4分，满分20分》阅读下面短文，从短文后的选项中选出可以填入空白处的最佳选项

选项中有两项为多余七选五游选项

答案Youknowyou'rereadytohittheroadandseetheworld,butyouneedalittlehelpingettingO六、语法填空（共10小题：每小题1分，满分10分）outofthedoor.Withsomethoughtsandcarefulplanning,youcanheadforanadventuresoonerthan阅读下面短文，在空白处填人1个适当的单词或括号内单词的正确形式

youthink.Startplanningyourescape!I'vehadmyfairshareoftravellingaroundChina,andarecentweek-longtriptoGuizhouwasDeterminehowmuchmoneyyoucanspendonatrip.Youdon'tneedtoberichtotravel,butknowinghowmuchmoneyyouhavewilllikelyshapeallotheraspectsofyourtrip.1Wheremyfirsttimetotheprovince.Itriedlookingupthemeaningandimportanceofthename"Guizhou"beforethetrip,1(basical)tohaveareasonableideaofwhatwasinstoreforme.ButthatwasOyougo,howyougetthere,whereyoustaymayallrelyonhowmuchyoucanspend.2hardtasksoIaskedaChinesecoworkeraboutthetrip.Fromwhatshesaid,longagotheprov-2Ifyouareworking,checkhowmuchvacationtimeyouhavesavedup.Checkyourcalen-ince3(name)afterafamousmountaincalled"Gui",kindofnobleandhonorableinliteraldarforanyimportantdates-youmightneedtopushyourtripbackafewdayssoyouwon'tmisstranslationand"zhou",4simplymeansprovinceinChinese.5(keep)thatinmind,Iset烯yourgrandpa's100thbirthday.Maketravelarrangements.TherearedozensofwebsitesyoucanusetosearchforreasonableoutonajourneyofdiscoveryandwhatIfoundwasattractive,aphotographer'sparadiseflightsallovertheworld.Takethetimetocheckbookingsearchengines.Trytheairlines'direct)GenerallydescribedasamountainousprovinceinsouthwesternChina,withGuiyangas6(it)capital,theprovinceistrulyoneofnature'sbestkeptsecrets.websites.3Comparedtootherleading7(province)inChina,whenitcomes8development,Bookyouraccommodations.Fromhostelstoluxury()hotels,treehouses,andcamp-grounds,therearelotsofchoiceswhenitcomestodecidingwheretostay.4IfyouwanttomeetGuizhouhassomecatching-up9(do).However,theprovinceremainsuniquenotonlyforits10(amaze)landscape(butfortheroleitplayedinthepoliticalhistoryofmodernChinaothertravelersanddon'tmindsharingabathroom,ahostelmaybeagoodchoice.Ifyouwanttoandtheroleitistoplayintheworldaswell.sleeplateandorderroomservice,youmayhavesomeotherchoices.扣Gotothedoctorandgetvaccinated(接种疫苗).5Somecountriesrequireproofofcer-英语（译林版）第3页（共4页）衡水金卷·先享题·高一同步周测卷三英语（译林版】第4页（共4页）新教材

15.(18分)一折射率为n的某种透明材料制成的空心球体,内径为R,外径是内径的k(k>1)倍,其过球心的某截面(纸面内)如图所示,一束单色光(纸面内)从外球面上的A点射人,已知光在真空中的传播速度为c。(1)当k=2时,从A点射入的光线经折射后恰好与内球面相切,求光在空心球体中的传播时间(不考虑反射的光路);k1=3(2)当k=3和k=4时,从A点射入的光线经折射后恰好在内球面发生全反射,求两种情k2=4况下A点入射角的正弦之比。

5.2023年10月26日,搭载神舟十七号载人飞船的长征二号F遥十七运载火箭在酒泉卫星发射中心点火发射,火箭共有58台发动机提供动力,所用燃料是液态氢。下列说法正确的是DA.用液态氢作为燃料是因为氢的比热容大B.燃料的热值越大,热机效率越高C.发动机的功率越大,效率就越高

17.(15分)如图所示,真空中有一个点状的放射源P,,它能向各个方向发射速率都相同的同种正粒子,ab为P点附近的一条水平直线,P到直线ab的垂直距离PC=1m,Q为直线ab上一点,它与P点相距PQ=52m(只研究与放射源P和直线ab在同一个平面内的粒子的运动),当直线ab以上区域只存在垂直平面向里、磁感应强度为B=2T的匀强磁场时,从放射源P水平向左射出的粒子恰到达Q点;当直线ab以上区域只存在平行于纸面的匀强电场时,沿不同方向发射的粒子若能到达ab直线,则到达ab直线时它们的速度大小都相等,且从放射源P水平向左射出的粒子也恰好到达Q点。已知粒子比荷为q/m=110^6C/kg,,粒子重力不计。(1)求粒子的发射速率;(2)当仅加上述电场时,求到达ab直线上粒子的速度大小和电场强度的大小(结果可用根号表示);(3)当仅加上述磁场时,求粒子从P运动到直线ab所用的最短时间。(结果保留2位有效数字)