2009届湖南省衡阳市八中高三第二次月考历史试卷

衡阳市八中2015届高三上学期第六次月考试题英语时量：120分钟满分：150分PART ONE LISTENING COMPREHENSIONSECTION A （22.5 marks）Directions: In this section, you will hear six conversations between two speakers. For each conversation, there are several questions and each question is followed by three choices marked A, B and C. Listen carefully and then choose the best answer for each question.You will hear each conversation twice.Conversation 11. What did the woman do first after work?A．She did some shopping. B．She cooked supper. C．She visited her aunt.2. Why didn‟t the woman think the lecture was useful for her?A．He children have grown up. B．She isn‟t married. C. She has no parents Conversation 23. When will the woman take the written test?A．In five days. B. In two weeks. C. In two months.4. What does the man think of the book?A. Difficult.B. Useful.C. Interesting.Conversation 35. Why is the man there?A．He is giving lessons to interviewees. B．He is giving tips to the interviewees.C．He is having the interview class.6. What does the man think matters most in an interview?A. Appearance.B. Language.C. Honesty.Conversation 47. Why does the man feel lucky?A. He got a well-paid job.B. He can live in a quiet place.C. He can work in a factory.8. How did the man sleep last night?A. He slept soundly.B. He was awake all night.C. He was too excited to sleep well.9. What do we know about the woman?A. She doesn‟t like birds.B. She got up at two this morning.C. She hasn‟t adapted to the silence.Conversation 510. When did the man get two offers below the asking price?A. Today.B. Yesterday.C. The day before yesterday.11. How should the buyers pay, according to the man?A. By credit card.B. By check.C. In cash.12. What is the woman‟s asking price?A. 28,000 dollars.B. 23,000 dollars.C. 18,000 dollars.Conversation 613. When did the man get married?A. Five years ago.B. Ten years ago.C. Fifteen years ago.14. Where is the man living now?A. In Sydney.B. In San Jose.C. In New York.15. Why are the man‟s parents moving in the fall?A. They want to be closer to their family.B. They miss the East Coast very much.C. They are not happy in their present house.SECTION B （7.5 marks）Directions: In this section, you will hear a short passage. Listen carefully and then fill in the numbered blanks with the information you have heard. Fill in each blank with NO MORE THAN THREE WORDS.PART TWO LANGUAGE KNOWLEDGESECTION A （15 marks）Directions: Beneath each of the following sentences there are four choices marked A,B ,C and D. Choose the one answer that best completes the sentence.21.---What do you think of the furniture on exhibition?--- Well, great! But I don‟t think much of ____ you bought.A. the oneB. itC. thatD. which22. The young man, who by then ___ admission to Peking University, determined to do some part-time jobs to gain more practical skills.A. gainedB. was gainingC. has gainedD. had gained23. ---We need a person very much to think up a creative idea.--- ______ the new manager have a try?A. ShallB. MustC. ShouldD. Need24. The horse covered the distance in six days_____the train's 28 hours.A．comparing with B．being compared with C．to compared with D．compared with25. —Why does the river smell terrible—Because large quantities of water________．A．have polluted B．is being pollutedC．has been polluted D．have been polluted26. The human body consists of organs, each ____a definite job to do.A. haveB. to haveC. hasD. having27. ___, as long as I‟m with nature, I don‟t care.A. However tough the journey isB. Whatever tough the journey isC. However the journey is toughD. Whatever the journey is tough28. News got around quickly_____ a gunman went on a shooting rampage at a movie theatre in Aurora, Colorado.A. which B．what C．that D．when29. It's reported that women with demanding jobs are almost ________ to suffer a heart attack.A. as likely twiceB. likely twice asC. twice as likelyD. twice likely as30. ---I telephoned him twice and I couldn‟t get through to him.--- The line might have been out of order, ____?A．d on‟t you B．was it C．do you D．h adn‟t it31. —Little Daniel is watering the flowers! Why?—Well, I'm not feeling very well today—otherwise, I ________ it myself.A．did B．would do C．had done D．would have done32. As a mother of two young boys, she knows the difficulties of keeping kids ______.A. to entertainB. entertainingC. entertainedD. entertain33. It's much easier to make friends _____you have similar interests.A．unless B．when C．even though D．so that34. ____ is announced in today‟s newspaper, we have launched another man-made satellite.A.ThatB.WhichC. AsD. What35. Absent for the traffic accident, I have always doubted he announced at the meeting.A. what was it thatB. that it was whatC. what it was thatD. that was it whatSECTION B （18 marks）Directions: For each blank in the following passage there are four words or phrases marked A. B. C. and D. Fill in each blank with the word or phrase that best fits the context.Recalling my freshman year and first year of drama group, I remember the people I met, and how I soon felt like they all were family. One I greatly36was Christy Hauser, mainly because of her unbelievable ambition to help people.At Christmas I participated in a present-wrapping party for children who would otherwise not have gifts. Christy37this and was so persuasive in motivating other students. She was only 15, but found time to help others, earn outstanding38and manage the make-up department for our drama group.The next year I was shocked to hear through Christy‟s efforts, the drama department was going to try to 39$90, 000 for a former schoolmate named Robin who was suffering from cystic fibrosis(囊肿性纤维化). The most40part of her decision to help Robin was that Christy had41met her! At our first drama meeting Christy gave everyone a piece of paper and asked us to write to talk-show host Rosie to try to gain her42; Christy received over 100 letters, but that wasn’t43. She told us we needed to keepwriting. Christy put all the letters in envelopes, stamped them, and made sure they were sent.Then one cold evening late in October, I gave one of my closest drama friends, Emily, a44to see if she wanted to do something. I was surprised when she answered the phone crying. She45that Christy Hauser had died in a car accident that evening. I had left rehearsal(排练)too early to hear about the46. With the phone still to my ear, I stood still as I remembered all the miraculous47she had organized. The next morning I looked into those eyes around me and was comforted by the fact that despite losing aSECTION C （12 marks）Directions: Complete the following passage by filling in each blank with one word that best fits the context. China has ordered a ban on advertisements during television drama programs. An ad will not be allowed to run in the middle of a program running 45 minutes in length, beginning on January 1st. The authorities say 48.________ ban is important for the growth of culture. Television stations say this will cause 49.________ a loss in revenue(收入). Most audience feel glad 50.________ finally such a policy has been carried out 51.________ some still doubt whether this is an effective policy or not. Simply banning TV stations from broadcasting inserted advertisements is no use.Even if SARFT completely banned domestic TV stations from broadcasting advertisements, they could still implant(植入）advertisements 52.________ TV shows. Why can China not learn some lessons from western TV channels such as NHK and BBC? They are public channels 53.________ any advertisements. But they charge their viewers. In China, TV viewers only need to pay cable television fees, 54.________ are rather low. And TV stations make profits through broadcasting advertisements. If we can learn some lessons from western countries, 55.________ will be rather helpful to the final solution of the conflict between audience and TV stations.PA RT THREE: READING COMPREHENSION (30 points)Directions: Read the following three passages. Each passage is followed by several questions or unfinished statements. For each of them there are four choices marked A, B,C and D. Choose the one that fits best according to the information given in the passage.AOne day while shopping in a small town in southern California, it was my misfortune to be approached by a clerk whose personality conflicted with mine. He seemed most unfriendly and not at all concerned about my intended purchase. I bought nothing, and marched angrily out of the store. My hostility toward that clerk increased with each step.On the outside, standing by the road, was a dark-skinned young man in his early twenties. His expressive brown eyes met and held mine, and in the next instant a beautiful, dazzling smile covered his face. I gave way immediately. The magnetic power of that smile dissolved all bitterness within me, and I found the muscles in my own face happily responding.“Beautiful day, isn‟t it?” I remarked in passing. Then, I turned back. “I really owe you a debt of gratitude,” I said softly. His smile deepene d, but he made no attempt to answer. A Mexican woman and two men were standing nearby. The woman stepped forward and eyed me inquiringly. “Sir, but he doesn‟t speak English,” she volunteered. “You want I should tell him something?”At that moment I felt t ransformed. The young man‟s smile had made a big person of me.“Yes,” my reply was enthusiastic and sincere, “tell him I said …Thank you!‟ ”“Thank you?” The woman seeded slightly puzzled. I gave her arm a friendly pat as I turned to leave. “Just tell him that,” I insisted. “He will understand; I am sure!”Oh, what a smile can do! Although I have never seen that young man, I shall never forget the lesson he taught me that morning. From that day on, I became smile-conscious, and I practice the art diligently, anywhere and everywhere, with everybody.56. The author left the store angrily because____.A. his intended purchases were of poor quality.B. there‟s nothing he wanted in the shopC. the clerk didn‟t speak EnglishD. the clerk didn‟t treat him kindly57. The underlined word “hostility” in the first paragraph probably means ____.A. attitudeB. hatredC. ideaD. opinion58. What does the author mean by saying “I found the muscles in my own face happily responding” in Paragraph 2 ?A. He did not want to smile.B. He would thank the young man.C. He smiled back at the young man.D. He was happy to meet the young man.59. The passage tell us that we should____.A. help people in troubleB. smile at othersC. practice smiling every dayD. be generous to strangers60. The author asked the woman to say “Thank you!” to the young man because the young man___.A. taught the author a valuable lessonB. taught the author how to smileC. had offered help to the authorD. was a friendly employee of the shopBIndividuality is the particular character, or aggregate (total) of qualities that distinguishes one person or thing from others. Many artists late in the last century were in search of a means to express their individuality. Modern dance was one of the ways some of these people sought to free their creative spirit. At the beginning there was no exacting technique, no foundation from which to build. In later years, trial, error and genius founded the techniques and the principles of the movement. Eventually, innovators (改革者) even drew from what they considered the dread ballet, but first they had to get rid of all that was academicso that the new could be discovered. The beginnings of modern dance were happening before Isadora Duncan, but she was the first person to bring the new dance to general audiences and see it accepted and acclaimed (称赞).Her search for a natural movement form sent her to nature. She believed movement should be as natural as the swaying of the trees and the rolling waves of the sea, and should be in harmony with the movements of the Earth. Her great contributions are in three areas.First, she began the expansion of the kinds of movement that could be used in dance. Before Duncan danced, ballet was the only type of dance performed in concert. In the ballet the feet and legs were emphasized, with virtuosity (高超技巧) shown by complex, codified positions and movements. Duncan performed dance by using her body in the freest possible way. Her dance stemmed from her soul and spirit. She was one of the pioneers who broke tradition so others might be able to develop the art.Her second contribution lies in dance costume. She rejected ballet shoes and stiff costumes. These were replaced with flowing Grecian (希腊式的) tunes, bare feet, and unbound hair. She believed in the natural body being allowed to move freely, and her dress displayed this ideal.Her third contribution was in the use of music. In her performances she used the symphonies of great masters including Beethoven and Wagner, which was not the usual custom.She was as exciting and eccentric (怪异) in her personal life as in her dance.61．According to the passage, what did nature represent to Isadora Duncan?A．Something to conquer. B．A model for movement.C．A place to find peace. D．A symbol of disorder.62．Compared to those of the balle t, Isadora Duncan‟s costumes were less _________.A．costly B．colorful C．graceful D．restrictive63．Which of the following is not mentioned as an area of dance that Duncan worked to change?A. The stage set.B. The music.C. Costumes.D. Movements.64. We can infer from the passage that the author _________.A. appreciates modern dance very muchB. dislikes Isadora Duncan‟s danceC. thinks highly of individualityD. knows a lot about modern arts65. Which of the following would be the best title for the passage?A．Artists of the Last Century B．Evolution of Dance in the 20th Century C．Natural Movement in Dance D．A Pioneer in Modern DanceCThree Central Texas men were honored with the Texas Department of Public Safety's Director's Award in a Tuesday morning ceremony for their heroism in saving the victims of a fiery two car accident.The accident occurred on March 25 when a vehicle lost control while traveling on a rain-soaked State Highway 6 near Baylor Camp Road. It ran into an oncoming vehicle, leaving the occupants trapped inside as both vehicles burst into flames.Bonge was the first on the scene and heard children screaming. He broke through a back window and pulled Mallory Smith, 10, and her sister, Megan Smith,9,from the wreckage.The girls' mother, Beckie Smith, was not with them at the time of the wreck, as they were traveling with their baby sitter, Lisa Bow bin.Beckie Smith still remembers the sickening feeling she had up on receiving the call informing her of thewreck and the despair as she drove to the scene.Bozeman and Clemmons arrived shortly after Bonge and helped rescue the other victims and attempted to put out the fires."I was nervous," Bozeman said." I don't feel like I'm a hero. I was just doing what anyone should do in that situation. I hope someone would do the same for me."Everyone at the accident made it out alive, with the victims suffering from nonlife-threatening injuries. Mallory Smith broke both femurs, and Megan had neck and back injuries. Bowbin is still recovering from a broken pelvis, ankle and foot.The rescuers also were taken to the hospital and treated for cuts and smoke breathing, Bonge said.In addition, Bozeman not to meet accident victim Anthony Rus so in the hospital after the accident, where Russo presented him with a glass frame inscribed with" Thank you," Bozeman said. Those involved in that fateful encounter on Highway 6 credited God blessing for bringing them together."Whatever the circumstances, Tuesday's ceremony provided a time to be grateful for those who put their lives on the line for the lives of complete strangers," Beckie Smith said," We're calling it The Miracle on Highway 6."66. Which of the following can be used to describe Bozeman?A. Kind.B. Modest.C. Excited.D. Smart.67. Who saved Megan Smith from the damaged car?A. Clemmons.B. Anthony Russo.C. Bozeman.D. Bonge.68. What's the main idea of the passage?A. Three persons were awarded for rescuing victims in a car accident.B. Three ordinary people were regarded as great heroes.C. Several victims were carried to safety from the burning cars.D. A car accident occurred on a rain-soaked State Highway 6.69. It can be inferred from what Beckie Smith said that ____.A. she regarded the accident as a wonderB. she was frightened by the serious accidentC. she thought highly of the rescuersD. she called on others to learn from the rescuers70. Which of the following is true according to the passage?A. Luckily, no one received too serious injuries in the accident.B. All the victims received slight injuries in the accident.C. The rescuers were taken to the hospital to visit the victims.D. The injured will soon recover from their injuries.PART FOUR: WRITING(45 points)Section A （10 points）Directions: Read the following passage. Complete the diagram / Fill in the numbered blanks by using the information for the passage.Write NO MORE THAN 3 WORDS for each answerWhat is critical thinking? Critical thinking is defined as thinking logically and developing an ability to ask questions or ask for evidence for a particular subject. Developing critical thinking skills in a child throughthe right critical thinking exercises is very important.Critical thinking develops the ability of subjective analysis of a particular fact. Critical thinking is to evaluate the reason behind a particular fact. All possible viewpoints must be thought about before analyzing a fact, and this develops problem-solving skills in a child.Here are some exercises you can use to encourage your child to think critically.Quiz your child. Ask your child about daily activities that he does in the school. Quiz him about certain things that do not have a single correct answer. This will increase his ability to think about the things he‟s just learned in class. Keep on telling your child simple information about nature, like the seasons when flowers bloom. You can either ask him questions or just explain to him in a casual way.Recognize and classify. For critical thinking, your child must learn to recognize important information that is closely connected with the subject. Classification of things on a certain firm and logical basis of information is included in the critical thinking ability. Colorful toys or images can be included in teaching critical thinking. Ask your child to identify the names of the flowers, fruits and animals from a colorful chart.Critical thinking exercises are not intended to make your child intelligent, but it is about making him successful in his decision-making ability and helping him make a successful career. Although thinking habits are cultivated(培养) in early childhood through exercises, they are indeed helpful for a lifetime.Section B （10 points）Directions: Read the following passage. Answer the questions according to the information given in the passage and required words limit. Write your answers on your answer sheet.In the animal kingdom, weakness can bring about aggression in other animal. This sometimes happens with humans also. But I have found that my weakness brings out the kindness in people. I see it every day when people hold doors for me, pour cream into my coffee, or help me to put on my coat. And I have discoveredthat it makes them happy.From my wheelchair experience, I see the best in people, bur sometimes I feel sad because those who appear independent miss the kindness I s ee daily. They don‟t get to see this soft side of others often, we try every way possible to avoid showing our weakness, which includes a lot of pretending. But only when we stop pretending we‟re brave or strong do we allow people to show the kindness that‟s in them.Last month, when I was driving home on a busy highway, I began to feel unwell and drove more slowly than usual. People behind me began to get impatient and angry, with some speeding up alongside me, horning (按喇叭) or even shouting at me. At the moment I decided to do something I had never done in twenty fore years of driving. I put on the car flashlights and drove on at a really low speed.No more angry shouts and no more horns! When I put on my flashlights, I was saying to other drivers, “I have a problem here. I am weak and doing the best I can.” And everyone understood. Several times, I saw drivers who wanted to pass. They couldn‟t get around me because of the stream of passing traffic. But instead of getting impatient and angry, they waited, knowing the driver in front of them was in some way weak.Sometimes situations call for us to act strong and brave even when we don‟t feel that way. But those are and far between. More often, it would be better if we don‟t pretend we feel strong when we fee l weak or pretend that we are brave when we are scared.81. How do people feel when they offer their help?(No more than 2 words) (2 points)____________________________________________________________________82.What reaction did other drivers have when the author drove very slowly at first?(No more than 5 words) (2 points)____________________________________________________________________83.Why did other drivers behave differently when the author put on the car flashlights?(No more than 8 words) (3 points)____________________________________________________________________84. What does the author advise us to do at last? (No more than 8 words) (3 points)____________________________________________________________________Section C（25 points）Directions: Write an English composition according to the instructions given below in Chinese.近年来媒体不断报道一些商家为了获取商业利益生产制造一些对人体有害的食品。

专题15 《圆锥曲线的方程》单元测试卷一、单选题1．（2020·辽宁省高三月考（文））若抛物线上的点M 到焦点的距离为10，则M 点到y 轴的距离是（ ）A ．6B ．8C ．9D ．10【答案】C 【解析】抛物线的焦点，准线为，由M 到焦点的距离为10，可知M 到准线的距离也为10，故到M 到的距离是9，故选C ．2．（2019·涟水县第一中学高二月考）椭圆的焦距为，则的值等于（ ）A ．B ．C ．或D ．【答案】C 【解析】若椭圆的焦点在轴上时，则有，解得；若椭圆的焦点在轴上时，则有，解得.综上所述，或.故选：C.3．（2018·镇原县第二中学高二期末（文））设抛物线的顶点在原点，准线方程为x=﹣2，则抛物线的方程是（ ）A ．y 2=﹣8x B ．y 2=8xC ．y 2=﹣4xD ．y 2=4x【答案】B 【解析】∵准线方程为x=﹣2∴=2∴p=424y x =24y x =()10F ，1x =-2214x y m +=2m 53538x 2=5m =y 2=3m =5m =3∴抛物线的方程为y 2=8x 故选B4．（2020·天津高三一模）设为抛物线的焦点，过且倾斜角为的直线交于，两点，则（ ）AB ．C ．D ．【答案】C【解析】由题意，得．又因为AB 的方程为，与抛物线联立，得，设，由抛物线定义得，，选C ．5．（2018·镇原县第二中学高二期末（文））已知，，则椭圆的标准方程是（ ）A ．B ．C ．或D ．【答案】C 【解析】由，，，可解得，，则当椭圆的焦点在轴上时，此时椭圆的标准方程为：；当椭圆的焦点在轴上时，椭圆的标准方程为：.故选：C6．（2018·镇原县第二中学高二期末（文））双曲线，则（）F 2:3C y x =F 30o C A B AB =6123(,0)4F 0k tan 30==34y x =-2=3y x 21616890x x -+=1122(,),(,)A x y B x y 12AB x x p =++=168312162+=9a b +=3c =221259x y +=2212516x y +=2212516x y +=2251162x y+=221169x y +=9a b +=3c =222a b c =+225a =216b =x 2212516x y +=y 2251162x y +=()2221012x y b b-=>0+=b =A ．3B ．2CD ．【答案】D 【解析】双曲线的焦点在轴，，渐近线方程是，，解得：.故选：7．（2018·民勤县第一中学高二期末（文））已知椭圆的一个焦点为F （0，1），离心率，则椭圆的标准方程为（）A ．B ．C ．D ．【答案】D 【解析】由题意知，又离心率，所以，，即所求椭圆的标准方程，故选D ．8．（2019·涟水县第一中学高二月考）设双曲线(a >0，b >0)的虚轴长为2，焦距为( )A．y ＝x B ．y ＝±2xC ．y ＝x D ．y ＝±x【答案】C 【解析】由题意知∴,a 2=c 2-b 2x a =by x a=±0+=k ===b =D12e =2212x y +=2212y x +=22143x y +=22134x y +=1c =12e =2a =2223b a c =-=22134x y +=22221x y a b-=12∴渐近线方程为y=±x.故选C.9．（2019·浙江省高二期中）如图，，，是椭圆上的三个点，经过原点，经过右焦点，若且，则该椭圆的离心率为（ ）A．BCD【答案】B【解析】取左焦点，连接，，根据椭圆的对称性可得：是矩形，设，中，即：解得：，则在中即：，.b a A B C 22221x y a b+=()0a b >>AB O AC F BF AC ^3BF CF =121F 111,,AF CF BF BF AC ^1AFBF 11,2,3,23,22CF m CF a m BF AF m AF a m AC a m ==-===-=-1Rt AF C D 22211AF AC CF +=222(3)(22)(2)m a m a m +-=-3am =1,AF a AF a ==1Rt AF F D 22211AF AF FF +=222(2)a a c +=222212,2c a c a ==故选：B10．（2018·安徽省合肥一中高三一模（文））已知椭圆的左、右焦点分别为，，是椭圆在第一象限上的一个动点，圆与的延长线，的延长线以及线段都相切，且为其中一个切点．则椭圆的离心率为（ ）ABCD【答案】B 【解析】设圆与的延长线相切于点，与相切于点，由切线长相等，得，，，，，由椭圆的定义可得，，，则，即，又，所以因此椭圆的离心率为.故选：B.二、多选题11．（2019·山东省青岛二中高二月考）（多选题）下列说法正确的是（ ）2221(1)x y a a+=>1F 2F A C 1F A 12F F 2AF ()3,0M C 1F A N 2AF T AN AT =11F N F M =22F T F M =1(,0)F c -2(,0)F c 122AF AF a +=()111223+22+F N F M c AF AN a AF AN a AN AT TF ==+==-+=+-222(3)a F M a c =-=--26a =3a =1b =c ==c e a ==A ．方程表示两条直线B ．椭圆的焦距为4，则C ．曲线关于坐标原点对称D ．双曲线的渐近线方程为【答案】ACD 【解析】方程即，表示，两条直线，所以A 正确；椭圆的焦距为4，则或，解得或，所以B 选项错误；曲线上任意点，满足，关于坐标原点对称点也满足，即在上，所以曲线关于坐标原点对称，所以C 选项正确；双曲线即，其渐近线方程为正确，所以D 选项正确.故选：ACD12．（2019·山东省高二期中）已知椭圆的中心在原点，焦点，在轴上，且短轴长为2，离心率，过焦点作轴的垂线，交椭圆于，两点，则下列说法正确的是（ ）A ．椭圆方程为B ．椭圆方程为C ．D ．的周长为【答案】ACD 【解析】2x xy x +=221102x y m m +=--4m =22259x y xy +=2222x y a b l -=b y xa=±2x xy x +=()10x x y +-=0x =10x y +-=221102x y m m +=--()1024m m ---=()2104m m ---=4m =8m =22259x y xy +=(),P x y 22259x y xy +=(),P x y (),P x y ¢--()()()()22259x y x y --+=--(),P x y ¢--22259x y xy +=22259x y xy +=2222x y a b l -=0l ¹b y x a=±C 1F 2F y 1F y C P Q 2213y x +=2213x y +=PQ =2PF Q D由已知得，2b =2，b =1，又，解得，∴椭圆方程为，如图：∴，的周长为．故选：ACD．13．（2019·江苏省苏州实验中学高二月考）已知双曲线过点且渐近线为，则下列结论正确的是（ ）A ．的方程为B ．C ．曲线经过的一个焦点D ．直线与有两个公共点【答案】AC 【解析】对于选项A ：由已知，可得，从而设所求双曲线方程为，又由双曲线过点，从而，即，从而选项A 正确；对于选项B ：由双曲线方程可知，，从而离心率为，所以B 选项错误；c a =222a b c =+23a =2213y x +=22b PQ a ===2PF Q D 4a =C (y x =C 2213x y -=C 21x y e -=-C 10x -=C y =±2213y x =2213x y l -=C (22133l ´-=1l =a =1b =2c =c e a ===对于选项C ：双曲线的右焦点坐标为，满足，从而选项C 正确；对于选项D ：联立，整理，得，由，知直线与双曲线只有一个交点，选项D 错误.故选AC 三、填空题14．（2019·江苏省高三三模）双曲线的焦距为______.【答案】【解析】双曲线的焦距为.故答案为：.15．（2019·重庆巴蜀中学高二期中（理））若双曲线的左焦点在抛物线的准线上，则的值为________.【答案】6【解析】双曲线的左焦点为，即，故.故答案为：.16．（2020·浙江省高三二模）已知椭圆，F 为其左焦点，过原点O 的直线l 交椭圆于A ，B 两点，点A 在第二象限，且∠FAB ＝∠BFO ，则直线l 的斜率为_____．【答案】【解析】设，则，，且，()2,021x y e -=-221013x x y ì-=ïí-=ïî220y +=2420D =-´=C 2212x y -=2212x y -=2c ==22154x y -=22y px =p 22154x y -=()3,0-32p -=-6p =622197x y C +=：()00,A x y ()00,B x y --00x <00y >2200197x y +=∵F 为其左焦点，∴，AB 的斜率．经分析直线AF 的斜率必存在，设为则，又，，∴，又，，可解得：，，∴直线l的斜率为．故答案为：17．（2019·乐清市知临中学高二期末）已知抛物线的焦点为，定点.若抛物线上存在一点，使最小，则点的坐标为________，最小值是______.【答案】 【解析】根据题意，作垂直于准线，画出几何关系如下图所示：()F tan BFO Ð=10y k x =2k =1212tan 1k k FAB k k -Ð==+FAB BFO Ð=Ð=220002x y ++=2200197x y +=0(3,0)x Î-0x =0y =00y x =22y x =F ()32A ，M MA MF +M ()22，72MH根据抛物线定义可知，，因而当在同一直线上时，的值最小，此时，的纵坐标为2，代入抛物线解析式可知，所以的横坐标为2，即，故答案为：，；四、解答题18．（2018·镇原县第二中学高二期末（文））已知双曲线的一条渐近线方程是，它的一个焦点在抛物线的准线上.（1）求双曲线的焦点坐标；（2）求双曲线的标准方程.【答案】（1）；（2）【解析】因为抛物线的准线方程为，则由题意得，点是双曲线的左焦点.（1）双曲线的焦点坐标.（2）由（1）得，又双曲线的一条渐近线方程是，所以，，所以双曲线的方程为：.19．（2019·湖南省衡阳市八中高二月考）已知抛物线的焦点为，点在抛物线上，且点的横坐标为，．MF MH =,,A M H MA MF +72MA MF AH +==M 42x =M ()2,2M ()2,2M 72()222210,0x y a b a b-=>>y =224y x =()6,0F ±221927x y-=224y x =6x =-()16,0F -()6,0F ±22236a b c +==y =ba=29a =227b =221927x y -=22(0)y px p =>F M M 45MF =（1）求抛物线的方程；（2）设过焦点且倾斜角为的交抛物线于两点，求线段的长．【答案】（1）；（2）.【解析】（1）由题意得，∴，故抛物线方程为．（2）直线的方程为，即．与抛物线方程联立，得，消，整理得，其两根为，且．由抛物线的定义可知，．所以，线段的长是．20．（2020·陕西省西安市远东一中高二期末（理））已知抛物线C 的顶点为坐标原点O ，对称轴为x 轴，其准线过点.(1)求抛物线C 的方程；(2)过抛物线焦点F 作直线l ，使得抛物线C 上恰有三个点到直线l 的距离都为l 的方程.【答案】(1)；(2)【解析】(1)由题意得，抛物线的焦点在轴正半轴上，设抛物线C 的方程为，因为准线过点，所以，即. 所以抛物线C 的方程为.(2)由题意可知，抛物线C 的焦点为.当直线l 的斜率不存在时，C 上仅有两个点到l 的距离为当直线l 的斜率存在时，设直线l 的方程为，F 45°l A B 、AB 24y x =8452p MF +==2p =24y x =l 0tan 45(1)y x -=°⋅-1y x =-214y x y x =-ìí=îy 2610x x -+=12,x x 126x x +=12||628AB x x p =++=+=AB 8()2,1--28y x =20x y ±-=x 22y px =()2,1-22p =4p =28y x =()2,0F ()2y k x =-要满足题意，需使在含坐标原点的弧上有且只有一个点P 到直线l 的距离为，过点P 的直线平行直线且与抛物线C 相切.设该切线方程为，代入，可得.由，得.，整理得，又，解得，即.因此，直线l 方程为.21．（2019·会泽县第一中学校高二月考（理））设抛物线：的焦点为，是上的点．（1）求的方程：（2）若直线：与交于，两点，且，求的值．【答案】（1）（2）.【解析】（1）因为是上的点，所以， 因为，解得，抛物线的方程为.（2）设，，由得，则，，():2l y k x =-y kx m =+24y x =()222280k x km x m +-+=()2222840km k m D =--=2km =224m k =2km =21k =1k =±20x y ±-=C 22(0)x py p =>F (,1)M p p -C C l 2y kx =+C A B 13AF BF ⋅=k 24x y =1k =±(),1M p p -C ()221p p p =-0p >2p =C 24x y =()11,A x y ()22,B x y 224y kx x y=+ìí=î2480x kx --=216320k D =+>124x x k +=128x x =-由抛物线的定义知，，，则，，，解得.22．（2018·民勤县第一中学高二期末（文））在直线：上任取一点，过作以，为焦点的椭圆，当在什么位置时，所作椭圆长轴最短？并求此椭圆方程.【答案】，【解析】设关于：的对称点，则，，连交于，点即为所求点.：，即，解方程组，，当点取异于的点时，.满足题意的椭圆的长轴最短时，，所以，，.椭圆的方程为：.11AF y =+21BF y =+()()()()12121133AF BF y y kx kx ⋅=++=++()2121239k x x k x x =+++24913k =+=1k =±l 90x y -+=M M ()13,0F -()23,0F M ()5,4M -2214536x y +=()13,0F -l 90x y -+=(),F x y 3909220613x y x y y x -ì-+=ï=-ìïÞíí-=îï=-ï+î()9,6F -2F F l M M 2F F 1(3)2y x =--230x y +-=2305904x y x x y y ì+-==-ìÞíí-+==îî()5,4M -'M M 22''FM M F FF +>22a FF ===a =3c =22245936b a c =-=-=2214536x y +=23．（2019·安徽省高二期末（理））已知点为坐标原点椭圆的右焦点为，离心率为，点分别是椭圆的左顶点、上顶点，的边．（1）求椭圆的标准方程；（2）过点的直线交椭圆于两点直线分别交直线于两点，求．【答案】（1）；（2）0.【解析】（1）如图所示由题意得为直角三角形，且，所以则所以椭圆的标准方程为：.O 2222:1(0)x y C a b a b+=>>F 12,P Q C POQ △PQ C F l A B 、PA PB 、2x a =M N 、FM FN ⋅uuuu r uuu r 22143x y +=POQ △PQ PQ =222a b c =+=ïïî1a b c ìï=íï=î22143x y +=（2）由题意，如图设直线的方程为：，，，则，，联立方程化简得.则.由三点共线易得，化简得，同理可得.．l 1x my =+()11,A x y ()22,B x y ()34,M y ()44,N y 221143x my x y =+ìïí+=ïî22(34)690m y my ++-=122122634934m y y m y y m ì+=-ïï+íï⋅=-ï+î,,P A M ()31100422y y x --=--+13163y y my =+24263y y my =+1234341266(3,)(3,)9933y y FM FN y y y y my my ⋅==+=+⋅++uuuu r uuu r g ()122121236939y y m y y m y y =++++2222222936()36934990969189(34)()3()93434m m m m m m m m m --´+=+=+=--++-+-+++。

机密★启用前姓名___________准考证号_______2022届湖南新高考教学教研联盟高三第二次联考生物试卷长郡中学;衡阳市八中;永州市四中;岳阳县一中;湘潭县一中;湘西州民中;由石门县一中;澧县一中;益阳市一中;桃源县一中:株洲市二中:麓山国际; 联合命题郴州市一中;岳阳市一中;娄底市一中;怀化市三中;邵东市一中;洞口县一中注意事项:1.答卷前,考生务必将自己的姓名、准考证号填写在答题卡上。

2.回答选择题时,选出每小题答案后,用铅管把答题卡上对应题目的答案标号涂黑。

如需改动，用橡皮擦干净后，再选涂其他答案标号。

回答非选择题时，将答案写在答题卡上。

写在本试卷上无效。

3.考试结束后,将本试题卷和答题卡一并交回。

一、选择题:本题共12小题,每小题2分,共24分。

在每小题给出的四个选项中,只有一项是符合题目要求的。

1.幽门螺旋杆菌主要寄生在人的胃中,可引发胃炎、消化道溃疡等疾病。

下列有关幽门螺旋杆菌的叙述,正确的是A.具有拟核,核内有染色体B.磷脂酶能破坏幽门螺旋杆菌的细胞膜C.通过有丝分裂的方式进行增殖D.和硝化细菌一样,都是异养生物2.几丁质是由1000~3 000个N -乙酰葡萄糖胺聚合而成，是广泛存在于甲壳类动物和昆虫外骨骼中的一种多糖。

下列叙述正确的是A.从昆虫外骨骼中提取到的几丁质和糖原的元素组成相同B,若干个相连的氮原子构成的结构是几丁质的基本骨架C.可用斐林试剂鉴定几丁质是否为还原糖D.糖原和几丁质都是动物细胞内的储能物质快速荧光检测仪是基于萤火虫发光原理，利用“荧光素——荧光素酶体系”与A TP发生反应产生光，再根据发光强弱来估测微生物残留量。

下列说法错误的是A.萤火虫细胞内线粒体是合成ATP的主要场所B.荧光检测仪可检测酸奶中厌氧型微生物的残留量C. A TP为上述荧光素酶催化荧光素的反应提供能量D.细胞中储存了大量ATP为细胞的生命活动提供能量4.研究发现，癌细胞膜上转铁蛋白受体数量和胞内Fe2+ 浓度远高于正常细胞。

2019届湖南省、衡阳八中等十三校重点中学第二次联考文科综合-地理试卷【含答案及解析】姓名___________ 班级____________ 分数__________一、选择题1. 一位常跟着户外团队“驴友”的地理教师，在安徽绩溪龙须山“驴行”绘制了一幅等高线地形图（单位：m）。

读图回答下列各题。

1. 所绘等高线图中的①是一个村庄，你认为最有可能的名字是A. 横溪村________B. 大备坑村________C. 西村________D. 铜山村2. 大约上午10时，驴友登上了一处陡崖，风景如图所示，照片拍摄时镜头朝向A. 东________B. 南________C. 西________D. 北2. 下图为美国旧金山城区一居民楼，图中居民楼外侧的梯子并非我们常见的楼梯，而是铁质的，连接不同的楼层的阳台。

虽然这些楼梯看起来并不美观，还会提高建筑成本，但旧金山楼房外面几乎都有这样的楼梯。

据此回答下列各题。

1. 旧金山居民楼外侧安装梯子的原因是A. 以方便房屋维修________B. 方便观赏户外美景C. 地震频发，方便地震时居民逃生________D. 方便居民享受冬日暖阳2. 2008年到2009年的金融危机使旧金山房价暴跌25%，而从2012年开始，旧金山房地产市场又复苏了。

房价复苏的最主要原因是A. 科技创业公司危机后快速发展引起房产需求B. 城市化的快速发展引起房产需求C. 旅游业的发展引起房产需求D. 国内人口迁移引起的房产需求3. 下图中分别为上海市沿东西向同一剖面线上的地面温度与植被指数变化对应图。

读图回答下列各题。

1. 依据图中信息和相关知识，下列说法正确的是①上海市地面温度与植被指数基本呈正相关②上海市地面温度与植被指数呈负相关③苏州河绿化条件好，地面温度较东西两侧低④内环植被指数较高，地面温度较东西两侧低⑤周家渡地面温度较高，植被指数较低⑥黄浦江植被指数低，故地面温度较低A. ②③B. ②④C. ②⑤D. ①⑥2. 图中农田处地面温度较长风公园处地面温度低的主要原因是A. 农田处植被指数低于长风公园________B. 农田处植被指数高于长风公园C. 农田处更临海，调节作用更明显________D. 农田处距离市中心更远4. 向日葵又被人们称为“太阳花”，在花盘盛开前，花盘白天随着太阳从东向西转，其指向落后太阳月12°。

【典型例题】（2015•福建高考•节选）下图示意关中地区和楚河地区。

读图，完成问题。

11-0*17D"E 7B V Eii 国界口册泊—铁圖二:辨價即轉高笛加.*苜都横间麵⑥習会•——李节性何盘。

戦有]QB fc E 方法技巧：如何描述一地的地形、地势特征1•地形特征的描述方法：（1）地形类型：陆地五种地形类型：平原、山地、丘陵、高原、盆地等；指出该区域主要地形构成，答题语言“以地形为主”。

（2）地势起伏状况：整体海拔；地势起伏状况，答题语言“___高___低”。

（3）多种地形条件下主要地形分布。

（4）特殊地形地貌：例如喀斯特地貌、雅丹地貌、黄土地貌等。

（5）海岸线状况（靠近沿海的地区）描述性词语如海岸线平直或曲折 2.地势特征的描述方法：主要从地面起伏变化的趋势上来描述。

常用的描述语言有两种：一是某方向高，相反方向低；二是从一个方向向另一个方向倾斜说出渭河平原南北两侧（沿108°E ）的地形特征差异。

思维过程. 1.在等高线地形图中，找到着“渭河”及“108°E”。

2．从图表中获取信息 hj75-Ei ⑶北侧，等局线褻值相比南侧小』表朋地珞较低>分布I 秤疏>表明地势起伏较小，敌地瑾应以商原因主°«-N匚H 湖朗；⑵南例，等高浅数值敦人，海據晟高为57S7^K 』表明讹;|珞高:等高讎佣布豁隼・表明讯坯起代较丈■故申形凯!；山地为主--I-J wP-idift«n-•平节性河烈o 羁CK 山塀F 胃胡J EI⑴渭河平原Cf&lOS -E ）的地农特征差异』主要从等肯雀的埶值及疏密上分析口II 国界答案南侧：以山地为主，地势较高（南高北低），起伏较大。

北侧：以高原为主，地势较低（北高南低），起伏较小。

2015届四川省高三“联测促改”活动第二轮测试）下图是四川盆地某地等高线地形图。

读图回答下列问题。

'也ULt£ 9u□屮水出居民点现零岛红及裔程甲地2004&0iH2.描述该地区的地形特练习：（2015•高考四川卷）下图为甲区域等高线地形图。

衡阳市八中2019级高三第5次月考试题化学命题人：杨乐审题人：聂琳请注意：①考试时间75分钟②相对原子质量：H-1 C-12 N-14 O-16 S-32 K-39 Fe-56 Ce-140第I卷（选择题）一、选择题（本题共10小题，每小题3分，共30分。

在每小题给出的四个选项中，只有一个选项是符合题目要求的。

）1．中国诗词中包含了丰富的化学知识，下列说法错误的是A．梨花淡白柳深青，柳絮飞时花满城：柳絮的主要成分属于糖类B．高堂明镜悲白发，朝如青丝暮成雪：青丝与白发的主要成分均属于蛋白质C．火树银花不夜天，兄弟姐妹舞翩跹：“火树银花”中的焰火实质上是金属化合物在灼烧时呈现的各种艳丽色彩D．忽闻海上有仙山，山在虚无缥缈间：句中海市蜃楼形成美景的本质原因是丁达尔效应2．2021年4月29日，“天和”核心舱成功发射，标志着中国空间站在轨组装建造全面展开。

针对以下配置说法不正确的是A．柔性三结砷化镓太阳能电池阵：砷化镓属于半导体，相对于硅电池，光电转化率更高B．生活舱内配备环境控制与生命保障系统：航天员主要通过Na2O获取呼吸用氧C．核心舱变轨动力依靠电推发动机：相对于化学燃料更加经济，更加环保D．可再生水循环系统：从尿液分离出纯净水，可以采用多次蒸馏的方法3．对下列装置图或图像描述正确的是温度计硬纸板碎纸条A．作为测量中和反应反应热的装置图，图1中补充环形玻璃搅拌棒即可B．用图2所示装置制取纯净的二氧化碳气体C．用图3所示装置检验该条件下铁发生了析氢腐蚀D．根据图4的溶解度变化可知，在较高温度下容易分离MgSO4·7H2O和CaSO4·2H2O4．阿魏酸在食品、医药等方面有着广泛用途。

一种合成阿魏酸的反应可表示为下列说法正确的是A．可用酸性KMnO4溶液检测上述反应是否有阿魏酸生成B．通常条件下，香兰素、阿魏酸都能发生取代、加成、消去反应C．香兰素、阿魏酸均可与Na2CO3、NaOH溶液反应D．与香兰素互为同分异构体，分子中有4种不同化学环境的氢，且能发生银镜反应的酚类化合物共有4种5．设N A表示阿伏加德罗常数的值。

衡阳市八中2017届高三第四次月考试题卷理科数学(考试内容：集合与简易逻辑、函数、导数、三角函数、向量、复数、数列、不等式、推理与证明)命题人:蒋金元、郭端香审题人：赵永益考生注意：本试卷满分150分，考试用时120分钟。

一、选择题（本大题共12小题，每小题5分，共60分。

在每小题给出的四个选项中，只有一项是符合题目要求的）1．a为正实数，i为虚数单位，a i=2,则a=（)A．2 B3C2D．1 2．已知集合M＝｛1，2，3，4｝，则集合P＝{x|x∈M，且2x∉M}的子集的个数为( )A．8 B．4 C．3 D．23．下列关于命题的说法错误的是( ）A．命题“若x2﹣3x+2=0,则x=2"的逆否命题为“若x≠2，则x2﹣3x+2≠0”B．“a=3”是“函数f（x）=log a x在定义域上为增函数”的充分不必要条件C．若命题p：∃n∈N，3n＞100，则￢p：∀n∈N，3n≤100 D．命题“∃x∈（﹣∞，0），3x＜5x”是真命题4．已知数列{a n}是等比数列，且a3=1，a5a6a7=8，则a9=（）A．2 B．4 C．6 D．85．已知212sin 2cos 1=+αα,则=αtan （) A ．2 B ．3 C ．21D ．316．已知公差不为0的等差数列{}na 满足134a ,a ,a 成等比数列，nS 为数列{}na 的前n 项和，则3253SS S S --的值为（ ）A ．2- B ．3- C ．2D ．37．已知3sin 5ϕ=，且(,)2πϕπ∈,函数()sin()(0)f x x ωϕω=+>的图像的相邻两条对称轴之间的距离等于2π，则()4f π的值为（ ） A ．35-B ．45-C ．35D ．458．已知函数()log (4)1a f x x (0,1)a a的图像恒过定点A ，若直线2-=+ny mx （,0m n）也经过点A ，则3m+n 的最小值为( ）A ．16B ．8C ．26611+ D ．149．已知：函数())20162016log 20162xx f x x -=+-+，则关于x 的不等式()()314f x f x ++>的解集为（）A ．1,4⎛⎫-+∞ ⎪⎝⎭B ．1,4⎛⎫-∞- ⎪⎝⎭C ．()0,+∞D ．(),0-∞ 10．设m ＞1，在约束条件1y xy mx x y 下，目标函数z=x+my 的最大值小于2，则m 的取值范围为（ ） A ．（1，12）B ．（12，) C ．（1，3) D ．（3，)11．已知函数22 x 0()2 x<0x f x x x 则不等式(())3 f f x 的解集为(）A. (-,1]B.(-,2]∞∞∞12．设函数()f x 在R 上存在导数()f x ，对任意的x∈R，有2()()f x f x x ,且(0,)()xf x x 时，．若(2)()22f a f a a ，则实数a 的取值范围为（）A ．[1,)B ．(,1]C ．(,2]D ．[2,)二、填空题（本大题共4小题，每小题5分，共20分.把答案填在答题卡中对应题号后的横线上） 13．已知a =4，b =2，且2a b=a 与b 的夹角为___________.14．已知222,,,238,49a b cR a b ca b c 则的最小值为___________.15。

衡阳市八中2015届高三第六次月考试题化学命题人：李启明、胡楚衡、伍云审题人：曾云生、王京风、刘海龙考生注意：1.时量：150分钟，总分：300分，所有答案必须写到答题卡上并按答题卡要求作答，否则不计分；2.可能用到的相对原子质量：H 1 ；O 16 ；N 14 ；S 32；Mg 24；Al 27；Fe 56；Cu 64；Ba 1377．下列叙述不正确的是A．根据金属活动性顺序表，可以推断冶炼金属时可能的方法B．CaCl2、MgCl2晶体都容易潮解，它们潮解的实质是晶体表面吸水形成溶液C．根据某元素原子的质子数和中子数，可以确定该元素的相对原子质量D．根据酸、碱、盐的溶解性表，可以判断某些溶液中的复分解反应能否进行8．下列有关实验原理或实验操作正确的是A．用干燥pH试纸测定某新制氯水的pHB．用25mL碱式滴定管量取20.00mL KMnO4溶液C．用图1装置除去乙烷中混有的乙烯D．用图2装置能验证HCl气体在水中的溶解性9．常温下，下列各组微粒在指定溶液中一定能大量共存的是A．K w/C(H+)=0.1mol/L的溶液：K+、Na+、SiO32-、NO3-B．0.1 mol/L AgNO3溶液：H+、K+、SO42-、I-C．加入苯酚显紫色的溶液：K+ 、NH4+、Cl-、I-D．甲基橙呈红色的溶液中：MnO4- 、Al3+ 、C2H5OH 、SO42-10. 氮氧化铝（AlON）是一种高硬度防弹材料，可以在高温下由反应Al2O3+C+N2=2AlON+CO 合成，下列有关说法正确的是A．氮氧化铝中氮的化合价是-3B．反应中每生成5.7g AlON 同时生成1.12 L COC．反应中氧化产物和还原产物的物质的量之比是2:1D ．反应中氮气作氧化剂11．向溶液X 中持续通入气体Y ，不会产生“浑浊→澄清”现象的是A ．X ：硝酸银溶液，Y ：氨气B ．X ：漂白粉溶液，Y ：二氧化硫C ．X ：氢氧化钡溶液，Y ：二氧化碳D ．X ：偏铝酸钠溶液，Y ：二氧化氮12．常温下，有下列四种溶液，下列说法正确的是 ①② ③ ④ 0.1 mol·L －1NaOH 溶液 pH ＝11 NaOH 溶液 0.1 mol·L －1 CH 3COOH 溶液pH ＝3 CH 3COOH溶液A ．②与④混合，若溶液显酸性，则所得溶液中离子浓度可能为：c (CH 3COO －)>c (H ＋)> c (Na ＋)>c (OH －)B ．由水电离出的c (OH －)：①>③C ．③稀释到原来的100倍后，pH 与④相同D ．①与③混合，若溶液pH ＝7，则V (NaOH)>V (CH 3COOH)13．羟基扁桃酸是药物合成的重要中间体，它可由苯酚和乙醛酸反应制得．下列有关说法正确的是A ．苯酚和羟基扁桃酸互为同系物B ．常温下，1mol 羟基扁桃酸只能与1molBr 2水反应C ．羟基扁桃酸分子中至少有12个原子共平面D ．乙醛酸的核磁共振氢谱中只有1个吸收峰26.（15分）Q 、W 、X 、Y 、Z 为五种原子序数依次增大的短周期元素。

衡阳市八中2014届高三第二次月考文科数学(本卷满分150分，时量120分钟) 命题人：刘一坚 审题人：刘慧英注意事项：1. 答题前，考生务必将自己的姓名、准考证号填写在本试题相应的位置。

2. 全部答案在答题卡上完成，答在本试题上无效。

一、选择题：本大题共9小题。

每小题5分，在每小题给出的四个选项中，只有一项是符合题目要求的。

1.已知函数()xf x e x =+，则函数()f x 的导函数为A.x eB.1x e +C.ln 1x +D.xe x + 2.已知点(tan ,cos )P αα在第三象限，则角α的终边在A. 第一象限B. 第二象限C.第三象限D.第四象限3.函数3()34f x x x b =+-在(0，1)内有零点．则A ．b>0B ．b<1C ．0<b<1D ．b<21 4.已知集合{1,2,3,4}A =，2{|,}B x x n n A ==∈,则A B =A.｛1,4｝B.｛-1，,1｝C.{1，2}D.∅5.曲线y=53123+-x x 在 x=1处的切线的倾斜角为 A. 6π B. 43π C. 4π D ．3π6. 函数()ln 2f x x =-的图象大致为7.函数()f x =的定义域为A. [2,2]-B.(0,2]C.(0,1)(1,2)D. (0,1)(1,2] 8. 函数),2,0)(sin(R x x A y ∈π<ϕ>ωϕ+ω=的部分图象如图所示，则函数表达式为A ．)48sin(4π-π-=x yB ．)48sin(4π-π=x yC ．)48sin(4π+π=x yD ．)48sin(4π+π-=x y9.已知函数22,0,()ln(1),0x x x f x x x ⎧-+≤=⎨+>⎩，若|()|1f x ax ≥-恒成立，则a 的取值范围是（A ）[2,0]- （B ）[2,1]- (C) [4,0]- (D) [4,1]- 二、填空题：本大题共6小题。

2025届湖南省衡阳八中、澧县一中高三最后一卷英语试卷考生须知：1．全卷分选择题和非选择题两部分，全部在答题纸上作答。

选择题必须用2B铅笔填涂；非选择题的答案必须用黑色字迹的钢笔或答字笔写在“答题纸”相应位置上。

2．请用黑色字迹的钢笔或答字笔在“答题纸”上先填写姓名和准考证号。

3．保持卡面清洁，不要折叠，不要弄破、弄皱，在草稿纸、试题卷上答题无效。

第一部分（共20小题，每小题1.5分，满分30分）1．Playing with their peers, children learn to and not do exactly what they want to do.A．compromise B．competeC．contribute D．construct2．Going out is __________good means of relaxation. Would you like to go to______ park with me in the afternoon? A．the ;the B．the; a C．a; the D．/；a3．I was expec ting a present from her, so I was disappointed I didn’t receive ______.A．it B．one C．that D．the one4．more about the place where you live,and you will shoulder more responsibility to protect itA．Learning B．To learn C．Learn D．Learned5．---.W e didn’t find the Blacks during the lecture.--- No one had told them about _____ a lecture.A．there to be B．there being C．there be D．there was6．I’m tired out．I stayed up the whole night, ______ for my midterm math exam．A．studying B．to study C．to be studying D．studied7．—Bob says he will draw lessons from his failure and continue to try.—I’m delighted that he ________ take that view.A．will B．may C．should D．could8．Every four years Americans __________ the transfer of power.A．carry over B．carry offC．carry on D．carry out9．—I heard they went skiing in the mountains last winter.—It true because there was little snow there.A．may be not B．won’t be C．couldn’t be D．mustn’t be10．—How did it come that you damaged your car so badly?—I ____into a tree on the roadside the other day.A．ran B．had run C．was running D．run11．Catherine came home happily, which suggested that she the final exam.A．had passed B．pass C．would pass D．should pass12．________ you recognize an idiom when it is being used, it is easy to misunderstand what you read or hear.A．Unless B．AfterC．Once D．Since13．The professor _____about how to protect the endangered animal in the conference at this time tomorrow. A．talked B．talks C．has been talking D．will be talking14．It is really cold and the ground is wet; it ________ have rained last night.A．might B．mustC．can D．should15．When the admission letter from Harvard University arrived, Ben's parents were and threw a big party.A．in the red B．tickled pinkC．as white as a sheet D．in a blue mood16．On the bus I saw a student I believed was your brother.A．who B．whomC．which D．whoever17．The old couple, ________ country life, were unwilling to move to the city to live with his son.A．accustomed to B．buried inC．addicted to D．exposed to18．______ far in the contest, we are so disappointed.A．Not getting B．Not to getC．Not having got D．Not got19．—What does Nicky’s job involve as a public relations director?—______ quite a lot of time with other people.A．Spending B．Having spentC．To spend D．To have spent20．—Your car should be ready next Tuesday．—We were ________ hoping you'd be able to do it by this Friday．A．still B．rather C．always D．even第二部分阅读理解（满分40分）阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项。