第二节（供5小题：每小题2分，满分10分）d1no1911ib810116sn189y6d1根据短文内容，从短文后的选项中选出能填人空白处的最佳选项。选项中有两项为多余选项From Martin Luther King to Steve Jobs,the best specchesin the world make arealdiference to listcners.Great speeches always begin with a bang.Anything well begun is condered to be half done.But it isat the beginning where most speakers fail to createan impresio.Then,omatter howgreat the conent of the speech is,it doesn't reach the right ears a therihtime.37Remember that the speech isn't about you,but about your audience.You are not standing ona plaform to talk about your personal issues.Even if your speech is about your life struggles andsuccesses,find a way to make it relevant to your audience38 Putting all the parts togetherto complete the picture isn't enough.Your audience must be able to recognize the picture.Theymust take the picture home with them.That is what will make your speech stand out.139 The greatest speakers-from Napoleon to Barack Obama-have delivered theirspeeches with great confidence.A speech is a promise,a declaration or a ray of hope.Thus,ensure that your speech is filled with hopeful,positive and confident words.Words such as“believe”,“no doubt'”,“eventually”and many others fill your speech with the requiredconfidence and make your audience think that you know what you are saying.Moreover,peoplewon't want to listen to those who stumble over their words(结结巴巴地说话).40 This willdefinitely turn your speech into one of the greatest speeches in history..A.A.Remember,your speech is like a puzzle.looililog .8no20q年AB.So stating your point in the first line really matters.6o118里boomivaoo AC.Let's look at the common factors of the best speeches in the world.91A0D.That's because the opening of the speech wasn't impressive enough963ATE.Big words,not always welcome though,can add to the charm of your speech.F.The use of confident words is another common feature in the greatest speeches of all time.G.Consciously fill the gaps in your speech with confident and promising words or phrases.第三部分语言知识运用（共两节，满分45分）9io1,第-节（共20小题；每小题1,5分，满分30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，选出可以填人空白处的最佳选项。02The Afrikaner culture that I grew up in has a delicious tradition-baking lots of differenttypes of cookies at Christmas.We bake for days on end to 41 our cookie tins,and preparecookie baskets and boxes to42 to friends and neighbors.As an adult,I choose not tocontinue many of the Christmas traditions.43,this is still one of my favorite Christmasctivities.jid6日英语试题第9页（共12页）

to her,she 58 and thanked me again.I'm thankful for this valuable 59 we're all going through our own problems but:60 is freeand no matter what little we can do for others,it will always be appreciated!41.A.seriouslyB.politelyC.confidentlyD.impatiently42.A.IgnoringB.BuyingC.PicturingD.Discovering43.A.angryB.coldC.hesitantD.gentle44.A.storyB.secretC.effectD.purpose45.A.benefited fromB.gave upC.put downD.went through46.A.searchB.waitC.budgetD.prepare47.A.appreciatedB.hopedC.pretendedD.agreed48.A.InsteadB.ThereforeC.HoweverD.Otherwise49.A.rightB.courageC.chanceD.cash50.A.receptionistB.registerC.bank clerkD.cash machine51.A.informedB.questionedC.remindedD.warned52.A.anxiousB.happyC.proudD.desperate53.A.pityB.reliefC.burdenD.coincidence54.A.finedB.chargedC.lentD.handed55.A.StrangelyB.SeriouslyC.UnfortunatelyD.Hopefully56.A.ashamedB.surprisedC.excitedD.worried57.A.truthB.helpC.changeD.permission58.A.wanderedB.admittedC.whisperedD.declined59.A.lessonB.principleC.adventureD.challenge60.A.kindnessB.forgivenessC.trustD.respect第二节（共10小题；每小题1.5分，满分15分)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。Tourist destinations in Europe are confident 61 the strong growth of China's winter sportsindustry will benefit their economies.They believe that the nation's 62 (rise)interest in such sports,fueled by staging the Beijing2022 Winter Olympics and Paralympics,63 (be)especially significant for the recovery ofinternational winter tourism.Ice and snows ports in China are expected to attract 230 million visits by participants in the2020-2021 winter season,according to the China Tourism Academy.A recent report 64 (release)by the academy said the country's total investment in the fieldwas more than 900 billion yuan over the past three years,including a total of 610 billion yuan for2018and2019.Emanuel Lehner-Telic,Asia regional manager at the Australian National Tourist Office,said:"Those figures show the eagerness 65 (become)one of the world's leading winter sports 66nation).The speed 67 which China's winter sports industry has developed is unprecedented(所未有的).The Chinese capital 68 (select)to host the 2022 Winter Olympics after beating Almaty-69 largest city in Kazakhstan-by four votes in 2015.Since then,winters ports 70 (develop)has been fast-tracked in China.第四部分写作（共两节，满分35分）第一节短文改错（共10小题；每小题1分，满分10分）假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。增加：在缺词处加一个漏字符号（∧），并在其下面写上该加的词。删除：把多余的词用斜线(1)划掉。修改：在错的词下划一横线，并在该词下面写上修改后的词。【仿真模拟卷·英语（二）第7页（共8页）BY-E】

第二节（共10小题；每小题1.5分，满分15分）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For the Chinese people,one of the remarkable cultural events staying in their memories56(be)probably the "24 Solar Terms"recognized as a World Intangible Cultural18056118-6-8269285Heritage.It is the ancient Chinese wisdom of dividing a year through the observation of57 sun's annual motion,the influence of 58 is still widely perceptible()today.24 Solar Terms have been made 59(know)to people in other parts of the worldand deservedly added to the UNESCO World Intangible Cultural Heritage list in 2016.The军24 solar terms reflect'the changes in climate,natural 60 (phenomenon),agriculturalproduction,and other aspects of human life,61 (include)clothing,food,housing,andtransportation.These solar terms have62(meaning)titles.Some of them reflect the否change of seasons,for example,the Beginning of Spring.OThe splendid opening ceremony of the 2022 Beijing Winter Olympics also 63郑如(draw)inspiration from the 24 solar terms.Rather than depending 64 large-scale中performances,the opening ceremony focused more on details."What I can 65剧(probable)tell you is that this ceremony is equally impressive as the one in 2008,which weknow is one of the most iconic opening ceremonies in the history of the Olympic Games,"长Exarchos told an International Olympic Committee technical briefing for the Games.器B第四部分写作（共两节，满分40分】第一节（满分15分）请语此战切线剪下交答题然舒假定你是李华，你的笔友英国交换生Peter即将回国，他写信向你咨询值得带回国的一名些中国特产，请你给他写封回信。南1.推荐特产；2.欢迎再来中国；架翻注意：1.写作词数应为80左右；2.请按如下格式在答题卡的相应位置作答。Dear Peter,Yours.Li Hua神州智达英语·调研卷Ⅱ第9页（共10页）扫描全能王创建

She taught me to be 46 whatever things I had in my life.When I 47 to beelected in my school's cheeredn twaverupseut shele thatot in the cheerleadingmsomthing eoutheretherhtgoingtohappen to me,and it did.I 48 a state-level gymnast.As years went by,Alzheimer's disease(老年呆症)ate her from the inside.The49who once refused to call me by any name but her"lttle bunny".now didn't even rememberwhat my name was.Soon,she forgot who I was until I sang Frank Sinatra's Fly me to theMoon.The tiny spark()of 50 in her eyes was what I 51.The little glimmer(微光)in her eyes meant that I was her“bunny'"once again..One day,the glimmer 52 disappeared from her eyes and that was the day when Iknew I had lost my nana.On her last day on this earth,as I sat beside her bed watching herfall in and out of sleep,I heard her hum Fly me to the Moon 53.That was the last timewhen I heard her 54,but I will keep it in my heart forever.Nana took a piece of my childhood with her when she 55.She is my world,and Iknow she is proud of me.41.A.grow upB.look outC.look upD.work out42.A.worksB.designsC.truthsD.memories43.A.forgotB.celebratedC.survivedD.calculated44.A.careB.educationC.assistanceD.fame45.A.complainedB.criedC.struggledD.argued46.A.eager forB.upset aboutC.grateful forD.curious about47.A.pretendedB.failedC.wishedD.managed48.A.trainedB.gotC.neededD.became49.A.womanB.masterC.neighbourD.colleague50.A.ambitionB.separationC.recognitionD.permission51.A.occupiedB.expectedC.representedD.seized￥：052.A.hardlyB.usuallyC.completelyD.slightly53.A.loudlyB.beautifullyC.weaklyD.fluently54.A.voiceB.storyC.laughterD.praise155.A.sankB.dreamedC.leftD.whispered第二节（共10小题；每小题1.5分，满分15分）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。It was at least two months before Christmas when nine-year-old Almie Rose told herfather,56 profession was an artist,and me that she wanted a new bicycle.We were57 favour of her request.She cracked 58 smile.Her dream was to be a geologistwhen she grew up and 59 (she)hobby was watching cartoons.With Christmas drawingnearer,her desire for a bicycle seemed to die,or we thought so.She didn't constantly ask forone.The next day we bought some lovely dolls,and a doll house.Then,much to our surpriseon December 23rd,she said that 60 (get)a bike was her real 61 (prefer).It was just too late to take the time to select the"right bike"for our little girl.It wasChristmas Eve around 9:00 pm.Almie and her six-year-old brother,Dylan,lay comfortablyin their beds.Now we could only think of the bicycle and the disappointment of our child."Iam 62 (make)a little bicycle out of clay()and I will write a note that she could tradethe clay model for a real bike,"her dad said."This is an expensive item and she is'such a biggirl.'"Then her dad began to make one.After some time I said to my husband,"You 63(work)with clay to make a tiny bike for three hours.I wonder when you can finish it."Hesaid he could complete it in one hour.On Christmas morning,we were excited for Almie to open the little heart-shaped packagewith the beautiful red and white clay bike and the note.She asked,"Does this mean that I cantrade this bike that Daddy made me for a real one?"I said,"Yes."Almie had tears in her eyeswhen she6(mere)replied,cou never irade this beautiful bicycle that Daddy madefor me.I'm very 65 (appreciation)of the clay model."【高二第一学期期中质量检测·英语第7页（共8页）】23022B

宜昌市协作体高三期中考试地理试题考生注意：1,本试卷分选择题1非选择题两部分。满分100分，考试时间75分钟。2.答题前，考生务必用直径0.5毫米黑色墨水签字笔将密封线内项目填写清楚。3,考生作答时，请将答案答在答题卡上。选择题每小题选出答案后，用2B铅笔把答题卡上对应题目的答案标号涂黑非选择题谐用直径0.5毫米器色墨水签字笔在答题卡上各题的答题区域内作答，超出答题区域书写的答案无效，在试题卷、草稿纸上作答无效。4,本卷命题范围·高考范围。一、选择题本大愿共15小题，每小题3分，共45分。在每小题给出的四个选项中，只有一项是符合愿目要求的。麻城是湖北省宜个被国家规划为区域中心城市的县级市，2021年黄冈市“十四五”规划明确表示支持麻城建设大别山区域性中心城市。下图示意麻城位置。据此完成1~3题。,北京郑州天河因际机场(80km)冬OO麻城合式议政庆都阳泛武汉新港(70km)一一高速公路““一铁路香港广州1麻城成为湖北省首个被国家规划为区域中心城市的县级市，主要得益于A自然环境较优越B地理位圍优越C分担了武汉职能D.吸引入才集聚2麻城成为区域中心城市，短期内会促使麻城的A.发展带动能力大大增强B服务种类迅速增多C,城锁化水大幅度提高D.服务范围迅速扩大3麻城建设大别山区域性中心城市，带来的影响是A.人口规模缩小B服务业的发展减慢C环境污染减轻D.农业土地规模减小南极磷虾成虾长45~60rnrn,最大90mm,肠道短，圆碳能力强，营养价值高，以群集方式生活，虾群密度达到每立方米10000~30000只。在食物缺乏时，磷虾蜕壳身体会缩小，甚至蜕变成幼体虾，出现“负生长”现象。我国自主研发的捕捞船，集捕捞、加工于一体，可全自动完成磷虾产品的制作与包装。目前，我国已成为仪次于挪威的捕捞南极磷虾的第二大国。盗：点：设脸经花好锯此完成4一6题。4.南极磷虾固碳能力强，主要是因为

号卷·A10联盟2021级高二上学期11月期中联考英语参考答案第一部分听力1-5 BAABB6-10 ACABC11-15 CABAC1620 BAABA第二部分阅读第一节阅读理解21-23BDA2427 CBBA28-31 BDDB32-35 AADC第二节短文填空3640 EBCAF第三部分语言运用第一节完形填空41-45 BADCB46-50 CBDDA51-55 BCDAC第二节语法填空56.highest57.was taken58.has doubled59.a60.which61.impressive62.driven63.evidence64.to65.threatening第四部分写作第一节One possible version:Dear Ms.Green,My name is Li Hua,an editor taking charge of the English section of our school newspaper this term.It isindeed a demanding and challenging task for me and I am writing to ask you to do me a great favor.We receive many articles every week and I am often at a loss which to choose.I'd appreciate it if you couldspare some time every week and help me pick out well-written articles and edit them.It would be better if youcould contribute to our newspaper yourself.Looking forward to your early reply.Yours sincerely,Li Hua第二节One possible version:Suddenly,a black dog came into the sight of a group ofrescuers.It was Saul!"The dog was jumping up anddown and turning around in circles,"said Dennis Haack."I think this dog was trying to signal to us that we shouldfollow him to his owner."Surprisingly,Saul led the searchers more than 200 yards directly to where his owner lay.Thanks to the dog,the rescuers found him before he had to spend a second night in pain in the woods,just sevenhours after he first called for help."It was the real-life Lassie scenario that played out in the woods,"DennisHaack added."We always knew dogs were the most loyal companions around,but this story reminds us that theycan really save lives,too."The hiking victim was put into a helicopter.He was rushed to the nearest hospital for treatment.After givinghim a thorough examination,the doctors said he had not received life-threatening injuries.According to a reportabout the event,Saul,the hero dog,was given a well-deserved dinner and is being cared for by a local animalshelter while his owner recovers in the hospital.【解题导语】这是一篇应用文。本文介绍了喜力青年科学家奖(Heineken Young Scientists Award)和2022年四位获得此奖的优秀青年科学家的事迹。2l.B细节理解题。根据第一段中的The Heineken Young Scientists Awards are awarded every two years tofour highly promising young researchers working in the Netherlands..可知，喜力青年科学家奖每两年颁发一次，奖励给在荷兰工作的四名非常有前途的青年科学家。22.D细节理解题。根据最后一段内容可知，Laura Kervezee(1989)就职于莱顿大学医学中心，在医学/生物医学领域获得了2022年喜力青年科学家奖。23.A推理判断题。这四位科学家都出生在1985一1989年，现在都才只有30多岁。【解题导语】这是一篇记叙文。一位母亲在过去七年里总共减掉了242磅的体重，其中大部分都是通过进行简单的锻炼减掉的。24.C推理判断题。根据第三段中的“new health problems can pop up after giving birth,and that's just whathappened to Davis”可知，这位女士有健康问题，医生要求带上心脏监视器。25.B细节理解题。根据第四段内容可知，这位女士血压本身就升高了。更糟糕的是，她不被允许去看她号卷·A10联盟2021级高二上学期11月期中联考·英语参考答案第1页共4页

第二部分阅读理解（共两节，满分40分）第一节（共15小题：每小题2分，满分30分）阅读下列短文，从每题所给的AB,C和D四个选项中，选出最佳选项。AUniversity of Oxford ClubThe University Club is part of our promise to put you at the heart of Oxford.It offerstudents and teachers a welcoming space to relax,take exercise,carry out academic exchangood in our restaurant.agymwith others.use for events.The University Club's restaurant,activity room and paryAp9u0opMMoUenjoy the University Club and all it offers.Weryweek Detils of ouropeningndnblOPENING TIMESThedoor lock0every night.Please note we do not provide a foodbank holidays.Monday-Friday:7:30-16:30(breakfast is served from 7:30 to 10:30)Weekend bank holidays:Breakfast is served only from:30to10:30.Tea and offeeCafe:provided from 8:30.Restaurant:Monday-Friday:17:30-21:00Sports equipment and gym:Monday-Friday:7:00-22:30Saturday&Sunday:12:00-18:00NEWCOMER EVENTSThe Newcomers'Club is to help the newly arrived students and new academic members ofthe University to get on with life in Oxford.It provides them with chances to meet newpeople.CUSTOMER FEEDBACK(反馈)We promise to provide a high level of service for our customers.We want to know whatcustomers think about our services and equipment.You can let us know by sending yourfeedback to the club's user forum.21.What can students do in the University Club?a.Relax with friends.b.Enjoy delicious food.c.Do physical exercise.d.Have academic discussions.e.Find a part-time job.A.abcd.B.abde.C.acde.D.bcde.22.When can students work out in the gym on weekends?A.At7:30.B.At11:00.C.At16:30.D.At22:30.23.What is the purpose of the Newcomers'Club?A.To offer students chances to run a business.B.To help newcomers fit in with life in Oxford.C.To collect feedback to improve the club's service.D.To increase the club's influence among newcomers.【23模拟调研·英语（二）第3页（共8页）LLY)

5.如图甲所示，长为L的长木板水放置，可绕左端的固定转轴O转动，左端固定2022一2023学年度高三一轮复周测卷（十二）班级原长为二的轻弹簧，质量为m的滑块（可视为质点）压缩弹簧到图甲中的a点物理·机械能（三）铁取更多免费资源(滑块与弹簧不连接)，0，口间水距离为，将滑块由静止释放后，滑块恰能到达姓名(考试时间40分钟，总分110分)木板最右端。将木板绕O点逆时针转动37°后固定，如图乙所示，仍将滑块由α点静止释放，滑块最多运动到距离0点3头的b点。已知弹簧的弹性势能E。=)kx,其中一、选择题：本题共10小题，每小题7分，共70分。在每小题给出的四个选项中，第k为弹簧的劲度系数，x为弹簧的形变量，重力加速度为g,sin37°=0.6，得分1~6题只有一项符合题目要求，第7~10题有多项符合题目要求，全部选对的cos37°=0.8，下列说法正确的是得7分，选对但不全的得4分，有选错的得0分。个E/小1.一物块从高h=3.0m、长l=5.0m的斜面顶端从静止开始沿A.滑块与木板间的动摩擦因数为Z777Z777777730斜面下滑，其重力势能E。和动能Ek随下滑距离s的变化如甲4图中直线I、Ⅱ所示。关于物块从斜面顶端下滑到底端的过B弹養的劲度系数为39b程中，下列说法正确的是dA.重力做功为10JC滑块在。点时，弹簧的弹性势能为了mgL选择题B.克服摩擦阻力做功为20JD,长木板水放置时，滑块运动过程中脱离弹簧时答题栏C.合力做功为20J速度最大D.机械能守恒6.如图甲所示，可视为质点的小球用长为L、不可伸长的轻绳悬挂于O点。现对小2.如图所示，总长为、质量为m的均匀软绳对称地挂在轻小滑轮球施加一水恒力F使其从静止开始运动，轻绳拉力大小F,随绳转过的角度日上，用细线（长度忽略不计）将质量也为m的物块与软绳连接。将物块由的变化关系如图乙所示。图中F。为已知量，重力静止释放，直到软绳刚好全部离开滑轮，不计一切摩擦力，重力加速度为加速度为g,下列说法正确的是,则A.小球到达最高点时的机械能最大A.刚释放物块时软绳的拉力大小为mgB.小球到达最高点时的加速度大小为√3gB.该过程中物块的机械能减少了0.5mglC.小球运动过程中轻绳拉力的最大值为2F。C.该过程中软绳的重力势能减少了0.5mglD.小球从开始运动至运动到最高点，增加的机械D,软绳离开滑轮时的速度大小为3能为√3F。L7.如图所示，轻弹簧一端固定在倾角为0的斜面底3.如图所示，光滑的半圆轨道竖直放置，边缘处固定着光滑小滑轮（可视为质点），跨端。一质量为m的物体从距弹簧上端d处由静止释放，向下运动位移L后停在过滑轮的轻绳连接小球A和B(均可视为质点)。小球A在水拉力F作用下最低点。已知弹簧始终在弹性限度内，物体与斜面间的动摩擦因数为μ，重力加静止于P点时，对轨道的压力恰好为零。现增大拉力F使小球A沿半圆轨道运速度为g。物体向下运动的过程中，下列说法正确的是动至Q点，已知O、Q连线与竖直方向的夹角为30°，小球A从P运动到Q的过A.物体与斜面间因摩擦产生的热量为mgLcos0B.物体机械能的减少量为mngLsin0程中，下列说法正确的有C.物体的最大动能为mgdsin0-mgd cos0A.A、B质量之比为2：1D.弹簧弹性势能的最大值为mgL sin0-mgLcos0B.小球A经过Q点时，A、B的速度大小之比为1：28,如图甲所示，质量为0.1kg的小球（可视为质点）从最低点A冲入竖直放置在水1030C.小球A、B组成的系统机械能一直增加地面上半径为0.4的半圆形轨道，小球速度的方与其高度的关系如图乙所D.拉力F对小球A做的功等于小球A机械能的变B示。已知小球恰好能通过最高点C,轨道粗糙程度处处相同，空气阻力不计。取化量g=10m/s2,B为AC轨道的中点。下列说法正确的是4.如图甲所示，一倾角为0=37°的传送带以恒定速v/m's25m㎡s3率运行。现将一质量为m=1kg的物体抛上传送带，物体相对地面的速度随时间变化的关系如图乙所示（沿传送带向上为正方向），取g=10m/s2sin37°=0.6，cos37°=0.8。下列说法正确的是A.0~8s内，物体位移的大小是18m⊙37A.图乙中x=4m2·s2B.0~8s内，物体机械能增加量是90jB.小球从B到C损失了0.125J的机械能C.0~8s内，物体机械能增加量是84JC.小球从A到C合力对其做的功为一1.05JD.0一8s内，物体与传送带间因摩擦产生的热量是157.5JD.小球从C抛出后，落地点到A的水距离为0.8m物理·周测卷（十二）第1页（共4页）物理·周测卷（十二）第2页（共4页）】

↑IcIA2022一2023学年度高三一轮复周测卷（十七）班级物理·电场（三）56t/3456t/姓名(考试时间40分钟，总分110分)ABD5.如图所示，在水向右的匀强电场中，一不可伸长的长度为L的不导电细线的端连着一个质量为m的带电小球，另一端固定于O点，当小球静止在B点时，细一、选择题：本题共10小题，每小题7分，共70分。在每小题给出的四个选项中，线与竖直方向的夹角0=37°。sin37°=0.6，cos37°=0.8，重力加速度为g。现用得分第1~6题只有一项符合题目要求，第7~10题有多项符合题目要求，全部选对外力将小球移至与O点等高的A点，移动过程中细线始终绷直，则的得7分，选对但不全的得4分，有选错的得0分。A.小球带负电0---0A1如图所示的实验装置可用来探究影响行板电容器电容的因素，其中电容器左侧极板B和静电计外壳均接地，电容器右侧极板A与静电计金属球相连。现使电B.匀强电场的电场强度大小为384gE容器带电后与电源断开，下列操作能使静电计的指针C.电场中A、B两点的电势差为3mgLB张角变大的是A.减小A板与B板之间的水距离片D.小球从A点由静止释放至到达B点的过程，电场力做负功，小球经过B点时选择思答题柱B将橡胶棒插人A板与B板之间的速度大小为2√gL6如图所示，在电场强度大小为E、水向右的匀强电场中，EC.A板位置不动，将B板稍微竖直向下移个质量为m、电荷量为q的粒子，以速度v从图中MaND.将A板也接地点垂直于电场方向射入，经过一段时间，到达左上方的V2.如图所示，行板电容器的两极板M、N接在一恒压电源上，N板接地。板间有点。已知M、N的连线与水方向的夹角为30°，则粒子↑6a、b、c三点，若将上极板M向下移动少许至图中虚线位从M到N的过程中（粒子重力忽略不计）30M置，则Ab点电场强度减小A.所用时间为3mB.位移大小为23mEqhB.c、b两点间电势差Ub减小C4mvoC.到达N点时的速度大小为I3voD,M、N两点之间的电势差为C.c点电势升高D.a点电势降低7如图所示，在竖直放置的行金属板A、B之间加有恒定电压U,A、B两板的中3.一带电粒子（不计重力）从小孔A以一定的初速度射入行板P和Q之间的真央留有小孔O1、O2,在B板的右侧有行于极板的匀强电场，电场范围足够大，足够大的感光板MN垂直于电场方向固定放置。第一次从小孔O1处由静止释空区域，经偏转后打在Q板上如图所示的位置。下列说法中正确的是放一个质子，第二次从小孔O1处由静止释放一个α粒A.先断开开关S,再适当上移P极板，该粒子仍落在Q子，不计粒子重力，关于这两个粒子的运动，下列判断正板上原位置确的是B.先断开开关S,再适当左移P极板，该粒子可能从QA.质子和α粒子在O2处的速度大小之比为1：2B.质子和α粒子在整个过程中运动的时间相等板上的小孔B射出C.质子和a粒子打到感光板上时的动能之比为1：2C保持开关S闭合，适当上移P极板，该粒子仍落在QD.质子和α粒子打到感光板上的位置相同板上原位置D.保持开关S闭合，适当左移P极板，该粒子可能从Q板上的小孔B射出8.如图所示，在竖直向下的匀强电场电场强度大小为E-3m8)中，一质量为m,电94.如图甲所示的电路中，K与L间接一智能电源，用以控制电容器C两端的电压荷量为一q(q>0)的小球，用长为R的轻绳悬挂于O点。让小球在竖直面内做Uc。Uc随时间t的变化情况如图乙所示（设t=0时，K为高电势），则下列描述圆周运动，其中A、B是圆周上的最高点和最低点，重力加速度为g。下列说法正通过该电容器C的电流Ic(取回路中电流沿顺时针方向为正)随时间t变化的图确的是像中，正确的是A若要完成完整的圆周运动，小球到达A点的速度大小至少为√JgRB.若要完成完整的圆周运动，小球到达B点的速度大小至少0。为/2gRC.小球由A运动到B的过程中，轻绳拉力逐渐减小D.小球由A运动到B的过程中，小球电势能的增加量等于重力势能的减少量物理·周测卷（十七）第1页（共4页）物理·周测卷（十七）第2页（共4页）

C,正方形中心O处的磁感应强度为零2022一2023学年度高三一轮复周测卷（二十一）班级D.若移走A导线，则D导线所受的安培力行于OC方向物理·磁场（一）3.如图所示，正方形线框abcd由四根相同的导体棒连接而成，固定于匀强磁场中，获取更多免费资藤线框面与磁场方向垂直，线框顶点a、d与直流电源（内阻不计）的负极和正极姓名(考试时间40分钟，总分110分》相接。若ab棒受到的安培力大小为F,则ad棒受到的安培力A.大小为3F,方向由b指向aX一、选择题：本题共10小题，每小题7分，共70分。在每小题给出的四个选项中，得分B.大小为3F,方向由a指向b第1~6题只有一项符合题目要求，第7~10题有多项符合题目要求，全部选对C.大小为F,方向由a指向b的得7分，选对但不全的得4分，有选错的得0分。D.大小为F,方向由b指向a1如图所示为洛伦兹力演示仪的结构图。励磁线圈产生的匀强磁场方向垂直于纸4.如图所示，用洛伦兹力演示仪可以观察电子在磁场中的运动轨迹。励磁线圈通电面向外，电子束由电子枪产生，其速度方向与磁场方向垂直。电子速度大小可通过电后可以产生垂直于纸面的匀强磁场，励磁线圈中的电流越大，产生的磁场越强。子枪的加速电压来控制，磁场强弱可通过励磁线圈的电流来调节。下列说法正确的是电子经电子枪中的加速电场加速后水向左垂直于磁场方向射入磁场。不计电励磁线圈子的重力，下列关于实验现象和分析正确的是玻璃泡A仅增大励磁线圈中的电流，电子运动的轨迹半励磁线圈(前后各一个电子枪径变大玻璃泡B仅升高电子枪加速电场的电压，电子运动的轨电运动轨迹A.电子在电子枪中做匀速直线运动迹半径变大B.电子在磁场中做匀速圆周运动C.仅使电子枪加速电压增加到原来的2倍，电子运动的轨迹半径将增加到原来的C增大励磁线圈的电流，磁场将变弱2倍D仅增大励磁线圈的电流，电子做圆周运动的周期将变大D要使电子形成如图所示的运动轨迹，图中励磁线圈应通以（沿垂直于纸面向里方向观察)逆时针方向的电流2.已知通电长直导线产生的磁场中某点的磁感应强度满足B=k,(其中飞为比例5.如图所示，在竖直面内有一半径为R的圆，O为圆心，AB、CD分别为圆的水系数，I为电流强度，x为该点到直导线的距离)。现有四根行的通电长直导直径和竖直直径，在圆内有与该圆所在竖直面垂直的匀强磁场（图中未画出），线，其横截面积恰好在一个边长为L的正方形的四个顶点上，电流方向如图所PP'是与AB行的一条弦。在圆的左边放置一能够发射某种带电粒子的发射示，其中A、C导线中的电流大小为I1,B、D导线中的电流大小为I2。已知B导装置，若该装置从A点沿AB方向射出一个速度为？的带电线所受的安培力恰好为零，下列说法正确的是粒子（不计重力），粒子恰好从D点沿CD方向离开磁场。如果让该装置从P点沿PP'方向射出一个速度也为的同种带电粒子，该带电粒子从P点进入磁场区域后，关于该粒子离开磁场的位置，下列说法正确的是A该粒子从D点左侧附近某点离开磁场☒B该粒子仍从D点离开磁场C.该粒子从D点右侧附近某点离开磁场A.电流的大小关系为I1=I2D该粒子从B点离开磁场B.四根导线所受的安培力都为零物理·周测卷（二十一）第1页（共8页）】物理·周测卷（二十一）第2页（共8页）