限时训练9答案
高考语文-限时组合快练 快练9 Word版含解析.doc
快练9语言基础知识＋名篇名句默写＋文言文阅读(1)一、语言基础知识1．下列词语中，加点字的注音全都正确的一项是()A．朔．望(shuò)悲怆．(chuànɡ)脖颈．子(ɡěnɡ) 名不副．实(fú)B．慰藉．(jí) 狭隘．(ài)兑换券．(juàn) 引吭．高歌(hánɡ)C．嬗．变(shàn) 管窥．(kuī)紧箍．咒(ɡū) 厚今薄．古(báo)D．行．情(hánɡ) 沮．丧(jǔ)撒手锏．(jiǎn) 追本溯．源(sù)答案 D解析A项“副”读fù。
B项“藉”读jiè，“券”读quàn 。
C项“薄”读bó。
2．下列各句中，标点符号使用正确的一项是()A．著名国学大师南怀瑾先生认为，人生的最高境界是“佛为心，道为骨，儒为表，大度看世界；技在手，能在身，思在脑，从容过生活。
”B．黄庭坚，字鲁直，号山谷道人，洪州分宁人(今江西修水)。
他以讲议著称，与秦观、张耒、晁补之合称“苏门四学士”。
C．座谈会上有人问他对目前相声表演中出现的新形式，如男女对口相声、电吉他相声、群口相声有什么看法？D．在乡村住得久了，周围的鸡呀，鸭呀，牛呀，羊呀，还有山水、草木都给你亲近感。
答案 D解析A项句号应在引号外。
B项括号应在“分宁”之后。
C项全句是陈述句，句末应用句号。
3．下列各句中，加点的词语运用正确的一项是()A．清华大学一学生说：“我每天坚持7点进自习室，从来没在任意．．一节课堂上睡过觉，总是坐在第一排专心听讲。
”B．真金不怕火炼．．．．．．，只要是金子总会发光，有才华的人不会总被埋没，总有一天会被发现，被发掘出来。
C．超级飓风“桑迪”裹挟着狂风骤雨重创了美国东海岸，飓风所过之处，房屋桥梁几乎毁坏殆尽．．，一片狼藉。
D．这套新出版的“走向诺贝尔”文学丛书囊括了当代可能获得诺贝尔文学奖的中国作家的作品，真可谓洋洋大观．．．．。
9限时练九.pptx
限时练九
限时：25 分钟
答案链接 P116
14．能源是社会发展的基础，发展核能是解决能源问题的途径之一．下列释放核能的反
应方程，表述正确的有( )
A．13H＋12H→24He＋01n 是人工转变
B．13H＋1
H2 →2
H4 e＋0
1
n
是
β
衰
变
C.
92235U＋01n→
56144Ba＋368K9 r＋30
1
n
是核裂变反应
D.
92235U＋01n→ 54140Xe＋389S4 r＋20
1
n
是
α
衰变
15．(2019 广东东莞中学模拟)当前我国“高铁”事业发展迅猛，假设一辆高速列车在机
车牵引力和恒定阻力作用下，在水平轨道上由静止开始启动，其 v•t 图像如图所示，已知 0～ t1 时间内为过原点的倾斜直线，t1 时刻达到额定功率 P，此后保持功率 P 不变，在 t3 时刻达 到最大速度 v3，以后匀速运动．下列判断正确的是( )
21．AD 【解析】导线框 ABCD 在磁场中转动，产生正弦交流电，感应电动势的最大 值为 Em＝nBSω＝448 2 V，由于导线框(电源)内阻不计，则电源的输出电压(也是变压器的
输入电压)的有效值为 U1＝Em2＝448 V，即为电压表的读数，选项 A 正确；升压变压器的匝
数比是
n1∶n2＝2∶5，则输电线的输送电压为
U2＝nn21U1＝1
120
V;
灯泡中电流
I4＝PU4 4＝
1 100 220
学无止 境
n4 A＝5 A, 设降压变压器的匝数比为 n3∶n4，则降压变压器中的输入电流 I3＝ n3I4；输电线上
高考英语二轮复习 专题9 情态动词与虚拟语气限时训练
专题限时训练(九) [情态动词与虚拟语气]( )1. —How much shall I pay for the phone call?—You________. This is free of charge.A．shouldn’t B．can’t C．don’t have to D．mustn’t( )2. —May I leave the office before 5 o’clock in the afternoon?—No，I’m afraid you ________.A．needn’t B. wouldn’t C．mustn’t D．won’t( )3. The outbreak of SARS tells us that a sound public health system ________ be built up and strengthened in our country.A．should B．can C．will D．may( )4. —Shall I tell John about it?—No，you ________. I don’t know his telephone number.A．needn’t B. wouldn’t C．mustn’t D．shouldn’t( )5. Often when I passed the village，I________ them working on the farm.A．will see B．would see C．must have seen D．must see( )6. Mr Bush is on time for everything. How ________ it be that he was late for the opening ceremony?A．can B．should C．may D．must( )7. My parents never remember my phone number，and they always________ look it up every time they call me.A．can B．must C．should D．have to( )8. The traffic light is red，so I ________ stop my car.A．must B．have to C．can D．mustn’t( )9. —Will you stay for another hour?—Sorry，I________. One of my best friends is coming to see me.A．mustn’t B．can’t C．needn’t D．won’t( )10. —What happened to the young trees we planted?—the trees ________well，but I didn’t water them.A．might grow B．needn’t have grownC．would grow D．would have grown( )11. You can’t imagine such a shy girl ________ be so brave to say that.A．might B．need C．should D．would( )12. —Write to me when you get home.—________.A．I must B．I should C．I will D．I can( )13. He was taken away by the police. He ________ for a robber.A．must be mistaken B．must have been mistakenC．must mistake D．must have mistaken( )14. —________I visit Lucy on Sunday，Mum?—Yes，you________.A．Must; can B．May; mayC．Need; need D．May; need( )15. Mary got up early，but she ________ so，because she had no work to do that morning.A．can not have done B．must not have doneC．shouldn’t have done D．needn’t have done( )16. —Don’t forget to bring my new books tomorrow afternoon.—No，I ________.A．don’t B．can’t C．won’t D．couldn’t( )17. When a friend of mine gave me a ticket for the game，I________ go.A．couldn’t help B．can’t butC．couldn’t help but D．just have to( )18. —I hear you’ve got a set of Australian coins. ________ I have a look?—Yes，certainly.A．Do B．May C．Will D．Should( )19. There is nothing to do，so I ________ as well go to bed.A．may B．should C．can D．would( )20. He seldom listens to others. He ________ answer for what he has done.A．shall B．will C．can D．would1. C shouldn’t意为“不应该”；can’t意为“不能”；don’t have to意为“不必”；mustn’t意为“禁止”。
2021高考江苏版语文一轮复习： 专项限时练9 图文转换
专项限时练(九) 图文转换(建议用时：30分钟)一、选择题1．以下图是2003－2021年间的国内汽油与国际原油价格表，粗线代表国内油价变化情况，细线代表国际油价变化情况。
以下对该表分析不正确的一项为哪一项()A．从价格的总体水平来看，国内油价要高于国际油价。
B．从价格的变化幅度来看，国内油价变化幅度要小于国际油价变化幅度。
C．从价格的同步性来看，国内油价与国际油价的涨跌根本同步。
D．从价格的变化轨迹来看，国内油价与国际油价的差距在持续拉大。
D[此题考察语言表达准确的能力。
解答图表题关键在于看懂图示的含意，并和选项对照，吻合度高的就是正确的，吻合度较低甚至明显抵牾的就是不当的。
从图表中可以看出，两条曲线有些局部重合或接近，即国内油价与国际油价有时一样或相近，因此D项说“差距在持续拉大〞明显错误。
]2．对下面两张问卷调查统计表的理解，有误的一项为哪一项()(1)您希望开设礼仪教育的课程吗？对象学生市民选项①非常希望19.08% 11.90%②希望68.79% 59.52%③不希望 5.20% 5.96%④无所谓 6.93% 22.62%(2)您认为礼仪教育的承当者应该是？对象学生市民选项①家庭20.23% 22.62%②学校9.83% 7.92%③社会 4.62% 11.13%④以上都是65.32% 58.33%，在是否希望开设礼仪教育课程这个问题上，学生与市民中的大多数人都希望开设礼仪教育课程。
B．在礼仪教育的承当者的问题上，调查显示学生与市民中的多数人认为礼仪教育应由家庭、学校和社会共同承当。
C．学生与市民都认为家庭、学校、社会三者之间，家庭是最重要的礼仪教育的承当者，然后依次为社会和学校。
D．调查结果说明，学生与市民对礼仪教育的认识虽有诸多一样之处，但差异也明显，对礼仪教育的需求，学生意愿更强烈。
C[此题考察语言表达准确的能力。
C项，“依次为社会和学校〞错，据图表所显示的数字可知，市民与学生的意见不一致。
高三物理限时训练(9、15)
高三物理限时训练（9、15）一、选择题：1.已知引力常量G 和下列各组数据，能计算出地球质量的是 ( )A ．地球公转的周期及地球离太阳的距离B ．人造地球卫星在地表运行的周期和轨道半径C ．月球绕地球运行的周期及月球的半径D ．若不考虑地球自转，知地球的半径及地球表面的g2.．假如一颗做匀速圆周运动的人造地球卫星的轨道半径增大为原来的2倍，仍做匀速圆周运动，则( )A ．v=ωr ，可知卫星的运行线速度将增大到原来的2倍B ．根据公式2mv F r =，可知卫星所需的向心力将减小到原来的1/2C ．根据公式2MmF G r=，可知地球提供的向心力将减小到原来的1/4D ．以上说法都是错误的3.“嫦娥一号”探月卫星沿地月转移轨道到达月球，在距月球表面200km 的P 点进行第一次“刹车制动”后被月球捕获，进入椭圆轨道Ⅰ绕月飞行，如右图所示。
之后，卫星在P 点经过几次“刹车制动”，最终在距月球表面200km 的圆形轨道Ⅲ上绕月球做匀速圆周运动。
用T 1、T 2、T 3分别表示卫星在椭圆轨道Ⅰ、Ⅱ和圆形轨道Ⅲ上运动的周期，用a 1、a 2、a 3分别表示卫星沿三个轨道运动到P 点的加速度，v 1、v 2、v 3分别表示卫星沿三个轨道运动到P 点的速度，用F 1、F 2、F 3分别表示卫星沿三个轨道运动到P 点时受到的万有引力，则下面关系式中正确的是（ ） A ．a 1＜a 2＜a 3 B ．v 1＜v 2＜v 3 C ．T 1＞T 2＞T 3 D ．F 1＝F 2＝F 34.已知地球半径为R ，地面处的重力加速度为g ，一颗距离地面高度为2R 的人造地球卫星绕地球做匀速圆周运动，下列说法正确的是（ ） A ．卫星的加速度大小为g41 B ．卫星的角速度为Rg 27C ．卫星的线速度大小为27gRD ．卫星的周期为gRπ65.A 、B 是两颗不同的行星，各有一颗在其表面附近运行的卫星．若两颗卫星分别绕A 、B 做匀速圆周运动的周期相等．由此可判断 ( )A ．两颗卫星分别绕A 、B 做匀速圆周运动的轨道半径一定相等 B ．两颗卫星分别绕A 、B 做匀速圆周运动的线速度一定相等C ．行星A 、B 的质量一定相等D ．行星A 、B 的平均密度一定相等6.某人造地球卫星因受高空稀薄空气的阻力作用，绕地球运转的轨道会慢慢改变，每次测量中卫星的运动可近似看作圆周运动。
高二英语45分钟限时训练9
高二英语45分钟限时训练9AFour books that will change your lifeThirteen Things Mentally Strong People Don’t Do—Amy MorinDo you struggle to get over your failures or pay much attention to things that are out of your control? Getting over these troubles can have an important influence on your daily life. Morin shares her most successful ways to overcome these difficulties.How Will You Measure Your Life? —Christensen, James Allworth and Karen DillonWhat do you think would make you happier at work? Perhaps high pay might be nice, or maybe some more admiration from fellow colleagues. Are you keeping a good balance in life? While career achievements can be satisfying, ignoring your family and friends can be harmful in the long run.Finding Your Element —Ken RobinsonHave you ever felt pressured to live your life in a certain way? Society often encourages you to graduate from high school at 18, enter university, and then become a professional person, get married and have children. This may work for some people, but for many people it can be limited. Everyone has a passion. Find out how you can break society’s strict rules and find your position in life.Emotional Intelligence—Daniel GolemanDo our feelings hold us back? Would we do better if we became unfeeling creatures? You probably let feelings cloud your judgment more often than you know. Goleman explains how you can avoid letting your feelings rule you and make better decisions in life.21.What kind of readers is the first book is intended for?A. The ones who want to be popular among colleagues.B. The one who want to control their feelings.C. The one who are experiencing failures.D. The one who want to get high pay.22．Which book suggests keeping a balance between work and life?A. Thirteen Things Mentally Strong People Don’t Do.B. How Will You Measure Your Life?.C. Finding Your Element.D. Emotional Intelligence.23．What do we know about Emotional Intelligence?A. It helps us make wise decisions.B. It shows us the importance of emotions.C. It teaches us the way to live a different life.D. It tells us how to break society’s strict rules.BThe search engine Google celebrated on Thursday the 110th birthday of the first Native American woman engineer. Google honored Mary Ross with a special Google Doodle on its homepage.Ross was born on August 9th, 1908, in the state of Oklahoma. She was the great-granddaughter of John Ross，the longest—serving chief of the Cherokee Nation. Her work is considered important to the early stages of the age of space travel.Ross showed special abilities in math and science from an early age. As a student, she developed an interest in aviation, or the practice of flying aircraft. She went on to earn a master’s degree in mathematics from Colorado State Teachers College, now called the University of Northern Colorado.During World War II, Ross began working for the Lockheed Aircraft Corporation as a mathematician. She earned a special certification in the field from the University of California in1949.Ross was later chosen to join Lockheed’s top—secret Skunk Works team that worked on aircraft designs. The name refers to a group that is permitted to work independently on advanced projects. She was the only female engineer among the team’s 40 members.Early on, she researched defense systems. By the late 1950s, her work centered on satellites and a series of space rockets called Agenda. The rockets were extremely important in the 1960s during the Apollo moon program.Ross also helped develop early design ideas for space travel between planets，including flyby space flights to study Venus and Mars. Ross retired from Lockheed in 1973.But she continued to give talks at high schools andcolleges to encourage more women and Native Americans to study engineering. She died in 2008，a few months before her 100th birthday.Many celebrated Ross’s life on social media. Twitter user Aaron Perez，for example，wrote:“ Mary Ross was an engineer who pioneered in the field of satellites. I never would have known if it wasn’t for the doodle. Women engineers deserve more recognition.”24.Why did Google celebrate Mary Ross’s 110th birthday?A. She invented a new flying aircraft.B. She had been a great designer ever.C. She contributed a lot to space travel.D. She got a master’s degree in mathematics.25. What did Mary Ross do in the middle of 20th century?A. She worked on Agenda.B. She gave talks at high schools.C. She helped women study engineering.D. She planned the Apollo moon program.26．Which of the following can best describe Mary Ross?A. Caring and cautious.B. Talented and creative.C. Generous and patient.D. Courageous and optimistic.C“No one can promise that life will be fair,” but no matter what happens, follow the example se t by Rehan Staton, and never lose sight of your goal.Staton, a 24-year-old former sanitation (环卫) worker in Maryland, US, recently celebrated his acceptance into Harvard Law School.Staton’s life was relatively normal until a series of setbacks impacted his family life and studies. “Things were pretty good until I was 8 years old. My mom abandoned my dad, my brother and me when she moved back to Sri Lanka,” he said.When he was in seventh grade, a teacher even recommended that he be placed in special education classes. His brother Reggie then brainstormed ways to help boost his grades. An aerospace (航天) engineer also offered to tutor him free of charge. Staton’s grades did improve and he became an honor student.However, he was rejected by every college he had applied for. So to help support himself and his family, Staton began working at a sanitation company. He spent his days transporting trash and cleaning dumpsters (垃圾箱), waking up every morning to get dressed around 4 am.“The sanitation workers were the only people in my life who told me I could be somebody,” Staton said, “They would say, ‘You’re too young to be here. Go to college, and come back if it doesn’t work out’”.The son of the company’s owner helped Staton contact a pr ofessor at Bowie State University, and the university eventually accepted Staton.Things began to look up. Two years later, he transferred to the University of Maryland to continue pursuing his undergraduate degree. But Staton still struggled to pay f or his father’s medical bills. He’d work in the morning and take classes in the afternoon.After graduation, Staton worked at a national consulting firm while applying for law school. He plans to start at Harvard this fall, where he will major in sports law to pursue his dream of becoming a sports agent.“For Rehan, the sky is truly the limit. Whatever he chooses to do in the future, he will definitely achieve,” said a chief operating officer of Staton’s firm.For anyone looking for inspiration during difficult times, Staton recommends to “love yourself enough to get what you want out of life,” he told news outlet ABC. “You can always see the light in any dark situation, and you need to hold on to that light.”27. What does the underlined word “setbacks” in paragraph 3 probably mean?A. blowsB. fightsC. opportunitiesD. achievements28. Why did Rehan Staton work as a sanitation worker?A. To gain some work experience.B. To help lighten his family’s financial burdens.C. To save money for his college education.D. To help the sanitation workers who once helped him.29. What does the underlined sentence in the second-to-last paragraph imply?A. Rehan was an observant sky-lover.B. Rehan has limitations on what major he can choose.C. Rehan has an extreme fear of heights.D. Rehan has endless potential to realize his dream.30. What is the author’s purpose in writing this article?A. To share tips on how to get admitted into Harvard.B. To persuade readers to get support when in need.C. To encourage readers not to bend to hardships in life.D. To show the importance of working with the right people.第二节（共5小题；每小题2分，满分10分）根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。
限时训练九
初一语文限时训练（九）天使的礼物刘继荣①黄昏，儿子一如既往地推我去广场散心。
二月的风变得暖起来，但是吹到脸上依然带着股寒意，就如我此刻的心境。
②刚坐上轮椅的时候，医生尚笑呵呵打趣，说我最多只能享用三周。
可是如今漫长的三个月过去了，我依然坐在轮椅上。
广播里正放着《吉祥三宝》，真羡慕那个丰腴健硕的妈妈，想必她到了80岁还能健步如飞吧？不像我，三十几岁就坐在轮椅上了。
③儿子兴致勃勃地问：情人节送什么礼物好？④我漫不经心作答：“那要看对方喜欢什么，如果是心爱的，一句话，一首歌也是好的。
”说完才觉惊骇，他刚上一年级，居然提出这么富有挑战性的问题，不禁想起上学期他曾说与一小女生相爱，我问，怎么爱？他答：“我们下课后一起在草坪里找灵芝草，给妈妈治病。
”现在，灵芝草没找到，居然懂得过情人节了。
⑤忽然间，在淡金的晚霞里，一首英文歌响起来，我不禁感慨：“人长耳朵，就为享受这样美的声音吧！”儿子动容。
⑥回家后，儿子替我按摩，他见过名医生为我做按摩，手法倒是学得有模有样，可力度还远远不够。
窗外传来孩子的笑闹声，我发现了儿子的心不在焉，顿时心生黯然，命他快快去玩。
⑦第二天黄昏，竟然又听到那首歌，是洒水车在唱，一时间，只觉得漫天繁花落了又开，连时光都淹没了。
回过神来，才发现儿子早出去了。
⑧钟点工临走时提醒我，说整个寒假儿子日日在闹市区出没。
那一带网吧颇多，里面未成年人也很多，要我千万管紧孩子，她说她的儿子就是在网吧里毁了的。
我心里百味杂陈，酝酿着如何同儿子谈。
⑨可儿子似乎总是很忙，没等我谈到正题，他就鱼一样溜了。
是的，外面春日融融，谁耐烦整日对着一张蜡黄的面孔呢！⑩每一次，听着楼道里咚咚远去的足音，每一步，都似踩在我心上，想起从前他寸步不离地守候着我，小朋友叫去踢足球、堆雪人一概不理，如今，怯得连边都不肯沾了。
⑴长叹一声，吃药罢，这一粒吃掉的是老公的轿车车灯，那一粒咽下的是儿子模型飞机的翅膀，家人的梦想悉数掉进我胃里。
一时间，我忍不住泪流满面。
高三物理选择题限时训练9
高三物理选择题限时训练（九）14．2006年美国NBA 全明星赛非常精彩，最后东部队以2分的微弱优势取胜，本次比赛的最佳队员为东部队的詹姆斯，假设他在某次投篮过程中对篮球做功为W ，出手高度为h 1，篮筐距地面高度为h 2，球的质量为m ，不计空气阻力，则篮球进筐时的动能为：（ ）A ．W+mgh1-mgh2；B ．mgh2-mgh1-W ；C ．mgh1+mgh2-W ；D ．W+mgh2-mgh1。
15．A 、B 两导体板平行放置，在t ＝0时将电子从A 板附近由静止释放。
则在A 、B 两板间加上下列哪个电压时，有可能使电子到不了B 板 ：（ ）16．地球的周围存在地磁场，能有效地改变射向地球的宇宙射线的方向，使它们不能到达地面，从而保护地球上的生命。
假设有一束带正电的宇宙射线粒子垂直于地面向赤道射来（如图，地球由西向东转，虚线表示地球自转轴，上方为地理北极），不考虑粒子受到的重力作用，则在地磁场的作用下，粒子在进入地球周围的空间时，其偏转方向以及速度大小的变化情况是：（ ）A ．相对于预定地点向东偏转，速度变大；B ．相对于预定地点向西偏转，速度变大；C ．相对于预定地点向东偏转，速度大小不变；D ．相对于预定地点向西偏转，速度大小不变。
17．两个相同的条形磁铁，放在平板AB 上，磁铁的N 、S 极如图所示。
开始时平板及磁铁皆处于水平位置，且静止不动。
当将AB 沿竖直方向向上或向下平移时，关于磁铁的运动下列说法正确的是（ ）A ．将AB 竖直向下平移（磁铁与平板间始终相互接触）时，两个条形磁铁一定碰在一起B ．将AB 竖直向下平移（磁铁与平板间始终相互接触）时，两个条形磁铁可能碰在一起C ．将AB 竖直向上平移（磁铁与平板间始终相互接触）时，两个条形磁铁一定不能碰在一起D ．将AB 竖直向上平移（磁铁与平板间始终相互接触）时，两个条形磁铁可能碰在一起18．示波器是一种多功能电学仪器，可以在荧光屏上显示出被检测的电压波形。
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s1 =
qu0 2T qu0 2T ⋅ ⋅ + 2dm 3 dm 3
2
2 T qu0 T 7 qu0T ⋅ − ⋅ = 18dm 3 2dm 3
2
当粒子由 t = nT +
2T 时刻进入电场，向上侧移最大，则 3
2
qu0 T qu0T 2 s2 = ⋅ = 2dm 3 18dm
U 0 qT 2 U 0 qT 2 ) +( ) = 3dm 3dm vy = 1 ⇒ θ = 45 ° v0
2U 0 qT 3dm
设速度方向与 v0 的夹角为 θ，则
tan θ =
（3）要使平行粒子能够交于圆形磁场区域边界且有最小区域时，磁场直径最小值与粒子宽度相等 粒子宽度
D= D = 2
4qU 0T 2 2 2qU 0T 2 cos 45o = 9md 9dm
答题卡
题号 答案 1 ABD 2 B 3 C 4 AD 5 B 6 BD 7 BCD 8 ABD 9 C 10 D
11． 1） a = g sin θ − µg cos θ ． ） （
（2） E = ）
2mgd (r + R) gR tan θ
12． （3）若要使打出电场的粒子经某一垂直纸面的圆形区域匀强磁场偏转后，都能通过圆 ． 形磁场边界的一个点处， 而便于再收集， 则磁场区域的最小半径和相应的磁感强度是多大？ ： （1）当粒子由 t = nT 时刻进入电场，向下侧移最大，则
故磁场区域的最小半径为
r=
2qU 0T 2 粒子在磁场中作圆周运动有 9dm
1
qvB = m
v2 r
解得 B =
3m qT
2
3
4
在距离 O 中点下方
/
A
7 qu0T 2 qu T 2 至上方 0 范围 18dm 18dm
O
v0 B (a)
O/
θ
D
内有粒子打出。 （2）打出粒子的速度都是相同的，在沿 电场线方向速度大小为
vy =
以打出速度大小为
u0 q T u0 qT ⋅ = dm 3 3dm
所
2 v = v0 + v 2 = ( y