高三寒假作业(一)
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高三寒假作业(一)Week One——完形填空专练(一)The new science of spending comes to a surprising conclusion. How we use our money may 1 as much or more than how much we’ve got it.Money spent on experiences, rather than material goods, 2 more happiness.Imagine that you wake up tomorrow morning to 3 $1 million under your bed. What would you do 4 that cash?The money will probably make you think about one thing 5 all else — yourself. A large amount of research reveals that money 6 our selfish sides. We will 7 much on what that money can do for us alone. Perhaps you are imagining buying a faster car, or even a new house.But studies show that 8 goods often fail to deliver 9 happiness. Fortunately, our ongoing research 10 many ways to get more happiness from every dollar you spend. Changing how you spend money can increase your happiness.But making these 11 needs to challenge some of our ideas of spending. It’s hard not to 12 buying a house as a wise investment. But research shows it brings very little happiness. A study in the United States found that homeowners, on average, were no happier than 13 .So, working hard to save money for a house might not be such a good idea 14 it means spending less time with your families and friends.And dozens of studies show that people get more happiness from buying 15 than material things. Experimental purchases — such as trips, concerts and special meals — are more 16 connected to our sense of self.And experiences come with one more 17 . They tend to bring us 18 to other people, but more often, material things are enjoyed 19 . So social contacts are important to 20 mental and physical health.1. A. present B. matter C. appear D. equal2. A. leads to B. breaks out C. holds on D. brings along3. A. keep B. own C. discover D. count4. A. to B. with C. about D. for5. A. above B. below C. before D. after6. A. shows B. explains C. proves D. designs7. A. depend B. concentrate C. take D. look8. A. mental B. material C. beautiful D. clever9. A. outgoing B. lasting C. willing D. exciting10. A. invites B. offers C. prefers D. follows11. A. changes B. plans C. decisions D. mistakes12. A. know B. view C. dream D. judge13. A. buyers B. sellers C. builders D. renters14. A. if B. how C. unless D. though15. A. houses B. cars C. experiences D. health16. A. clearly B. hardly C. generally D. deeply17. A. advantage B. conclusion C. purpose D. identity18. A. familiar B. close C. proper D. native19. A. completely B. worldwide C. secretly D. alone20. A. gain B. damage C. improve D. Build(二)My childhood and adolescence were a joyous outpouring of energy, an endless pursuit for expression, skill, and experience. 1 was only a background to the great delight of lessons in music, dance, and dramatics.Then one night at a high school dance, a remark, not intended for my 2 , injured my youthful happiness: “That girl, what a pity she is blind.” Blind! A(n) 3 word that implied everything dark, blank and helpless. 4 I turned and called out, “Please don’t feel sorry for me. I’m having lots of fun.” 5 the fun was not to last.In college years, I began to struggle with the problem of earning a living. Part-time teaching of piano and occasional giving concerts proved only 6 sources of economic support. In terms of time and effort involved, the financial return was 7 . Self-doubt and dark moods sparked within me. 8 to my misery was the repeated experience of knowing my sisters and friends dating excitedly. How 9 I was to my piano, 10 I could dissolve my frustration, accompanied by Chopin, Brahms, and Beethoven.Then one day, I met a girl, an army nurse, whose faith was to change my life. As our acquaintance 11 into friendship, she sensed my 12 . She said, “Stop knocking on closed door s. I know your opportunity will come. You’re trying too hard. Why don’t you relax? And have you ever tried 13 ?” The idea was strange to me. I had always believed that if you wanted 14 , you had to go and get it for yourself. Yet, my sincerity and hard work had yielded poor returns, so I was 15 to try anything else. Self-consciously, I performed the daily practice of prayer. I said, “God, show me the 16 for which You sent me to this world.”In the years to follow, the answers began to arrive, satisfying 17 my most optimistic expectation. One of the answers was Enchanted Hills, where my 18 friend and I had the privilege of seeing blind children come alive in God’s out-of-doors. 19 are the sources of pleasure and comfort I have found in friendship, and most important of all, I 20 closer to God and, through Him, to immortality (永生).1. A. School B. Society C. Family D. College2. A. mind B. direction C. eyes D. ears3. A. rude B. ugly C. dirty D. strange4. A. Quickly B. Slowly C. Gently D. Quietly5. A. Thus B. And C. But D. Though6. A. adequate B. partial C. full D. rich7. A. discouraging B. uninspiring C. encouraging D. convincing8. A. Referring B. Contributing C. Adapting D. Adding9. A. grateful B. excited C. proud D. sensitive10. A. who B. which C. what D. where11. A. jumped B. ran C. grew D. became12. A. joy B. depression C. pleasure D. pity13. A. practicing B. nursing C. praying D. volunteering14. A. anything B. everything C. nothing D. something15. A. able B. willing C. eager D. devoted16. A. destination B. purpose C. meaning D. answer17. A. with B. off C. beyond D. from18. A. doctor B. teacher C. nurse D. prayer19. A. Other B. Others C. Another D. Either20. A. draw B. arrive C. drag D. pull(三)How often do you change your hairstyle or ask for new dresses? You may be 1 to follow trends in Western countries, but young people in the United States don’t care as much about 2 as you do. A recent survey among high school 3 in China, Japan, South Korea and the US found that 4 teenagers care more about their appearance than young people in the US. This survey was held in 156 high schools in the four countries. More than 7,000 teenagers were 5 about their views on life and the world. South Koreans, at 83 percent, cared most about their looks. They were 6 by the Chinese and Japanese, while US students showed the least interest in fashion at only 33 percent. “The different results show7 of cultural background,” said Sun Yunxiao from the China Youth and Children Rese arch Centre. He explained that in the US there are many different 8 of beauty, so teens are more 9 to be confident about their appearance. US teenagers’ high self-confidence is displayed in the 10 . About 85 percent are happy with themselves. The percentage of self-confident Chinese students stands at only 30 percent. What’s 11 , US students showed more individuality, with 88 percent 12 that “people should follow their own interests rather than 13 of others”. This is much14 than South Korea’s 69 percent, China’s 49 and Japan’s 48. Japanese students, at 52 percent, are most dissatisfied with modern society. Chinese and Koreans follow at second and 15 most dissatisfied. “ 16 to the survey, Chinese students are happy and disciplined. They have a strong wish to make a difference. 17 Chinese students need to be more independent and learn how to relax,” said Sun. The students have different 18 backgrounds. But home and places where friends gather are the favorite places all teens seek happiness. Exams and worries about life after graduation cause much 19 among most of the teens 20 for the survey.1. A. absorbed B. willing C. careless D. unhappy2. A. hairstyle B. dresses C. fashion D. culture3. A. teachers B. students C. citizens D. colleagues4. A. Asian B. American C. African D. Western5. A. answered B. requested C. persuaded D. questioned6. A. followed B. decreased C. reduced D. compared7. A. relations B. barriers C. customs D. differences8. A. awareness B. standards C. consciences D. expenses9. A. admirable B. confused C. likely D. unbelievable10. A. survey B. setting C. reference D. paper11. A. worse B. better C. less D. more12. A. disagreeing B. observing C. agreeing D. puzzling13. A. those B. that C. it D. one14. A. lower B. larger C. smaller D. higher15. A. first B. third C. fourth D. last16. A. Leading B. Devoting C. Appealing D. According17. A. But B. And C. So D. Or18. A. political B. cultural C. economical D. commercial19. A. expectation B. hesitation C. concern D. ambition20. A. interviewed B. advised C. overlooked D. invested(四)Water and its importance to human life were the centre of the world’s attention last week. March 22 was World Water Day and 1 the theme “Water for Life”. There are more t han one billion people in the world who live without 2 drinking water. The United Nations 3 to cut this number in half by 2015. Solving such a big problem seems like a(n) 4 challenge. But everyone, 5 teenagers, can do something to help. A teenage girl in the US has set an example to the 6 of her age around the world. Rene Haggerty, 13, was awarded the 2004 Gloria Barron Prize for her work — 7 discarded (废弃的) batteries(电池)which pollute water. In 2003, Haggerty went on a field trip to the Great Lakes Science Centre in Ohio. There she saw an exhibit about how 8 in old batteries harm the water of Lake Erie. Haggerty learnt that 9 the batteries was an easy solution. “I think everybody can do it, because everyone 10 batteries, and it can make a big difference.” With these words, she began to 11 awareness in her area. She 12 her county government and school board. She got permission to start a recycling programme in schools 13 the public libraries, hospitals, and churches. With help from her family, friends and local waste-management 14 , she gathered containers, arranged transportation, and made a(n) 15 video. Over the past two years, she collected four tons of batteries and drew the attention of officials, who were in charge of a battery recycling programme but had made 16 progress. When asked 17 she feels like a hero, Haggerty is quite 18 . “Not really. Well, maybe for the fish I saved!” Every year the Gloria Barron Prize19 youngAmericans aged 8 to 18 who have shown leadership and courage in 20 the public and the planet. Each year ten winners receive US $2,000 each, to help with their education costs or their public service work.1. A. had B. gave C. wrote D. discussed2. A. enough B. safe C. much D. polluted3. A. asks B. orders C. hopes D. ensures4. A. good B. strong C. important D. unreal5. A. especially B. sometimes C. even D. seldom6. A. boys B. others C. students D. grown-ups7. A. collecting B. selling C. buying D. using8. A. things B. chemicals C. water D. air9. A. making B. recycling C. reducing D. handling10. A. uses B. has C. throws D. needs11. A. tell B. increase C. spread D. inform12. A. talked to B. listened to C. heard from D. thought about13. A. and B. beside C. as well as D. as good as14. A. officials B. workers C. clerks D. experts15. A. industrial B. agricultural C. scientific D. educational16. A. much B. no C. some D. little17. A. if B. how C. when D. why18. A. proud B. glad C. modest D. worried19. A. praises B. helps C. supports D. honors20. A. awarding B. saving C. serving D. favoring(五)For lots of people, the holidays are about helping the less fortunate. 1 than buying presents for each other, a group of friends in a Vermont snowboard (单板滑雪) group like to go to their 2 homeless shelter and give them a day to 3 . They begin preparing at the 4 of the snow season by asking people who come to the mountain to 5 old winter clothing like jackets, boots, gloves, and hats. Then the group 6 the shelter to distribute(分发)the things. Says Jay, 18, one of the 7 , “We tell them, ‘Now you guys are coming with us and we’re going to teach you how to 8 or snowboard all day for free.’It’s awesome (极好的) to know that we are able to take their minds 9 the stress in their lives for one day.”For this group, working together to help the homeless makes their relation 10 . They feel like a part of each other’s lives in a 11 way.It may sound no wonder until you try it, but doing something for charity (慈善) can really help you 12 better about the whole experience of giving. That’s because it benefits the 13 as well as the recipient —you’re left with a feeling of belonging and being connected. 14 to help an organization or group that fits with your 15 and the things you believe in. If you love children, buy a present for a child in need. 16animals are your thing, talk to your local animal shelter — many distribute staples like pet food to low-income pet 17 over the holidays. If you 18 a grandparent and would like to spend time with the elderly, 19 out at a nursing home over the holidays. Or share a special skill. If you’re good with your 20 , you can help build or paint housing for people in need.1. A. Other B. Rather C. More D. Less2. A. hopeless B. curious C. local D. foreign3. A. remember B. forget C. forgive D. exercise4. A. end B. start C. weather D. middle5. A. bring B. mend C. sell D. throw6. A. rebuild B. take C. leave D. visit7. A. students B. neighbors C. organizers D. workers8. A. ski B. survive C. study D. struggle9. A. for B. in C. off D. on10. A. easier B. cleaner C. healthier D. stronger11. A. complete B. meaningful C. new D. busy12. A. live B. play C. feel D. express13. A. giver B. visitor C. children D. officials14. A. Promise B. Refuse C. Choose D. Answer15. A. work B. values C. hobbies D. profession16. A. If B. Because C. Though D. While17. A. sellers B. bosses C. stores D. owners18. A. visit B. become C. miss D. dislike19. A. look B. send C. find D. help20. A. hands B. minds C. eyes D. ideas(六)At my heaviest I weighed 370 pounds. I had a very poor relationship with food: I used it to 1 bad feelings, to make myself feel better, and to celebrate. Worried about my health, I tried many different kinds of 2 but nothing worked. I came to believe that I could do nothing about my 3 .When I was 50, my weight problem began to affect me 4 . I didn’t want to live the rest of my life with this 5 weight any more.That year, I 6 a seminar where we were asked to create a project that would touch the world. A seminar leader shared her 7 story —she had not only lost 125 pounds, but also raised $25,000 for homeless children.8 by her story, I created the As We Heal (痊愈), the World Heals 9 . My goal was to lose 150 pounds in one year and raise $50,000 10 a movement founded 30 years ago to end hunger. This combination of healing myself and healing the world 11 me as the perfect solution.12 I began my own personal weight program, I was filled with the fear that I would 13 the same difficulties that beat me before. While the 14 hung over my head, there were also signs that I was headed down the right 15 . I sent letters to everyone I knew, telling them about my project. It worked perfectly. Donations began 16 in from hundreds of people.Of course, I also took some practical steps to lose weight. I consulted with a physician (内科医生), I hired a fitness coach, and I began to eat small and 17 meals. My fund-raising focus also gave me new motivation to exercise 18 .A year later, I 19 my goal: I lost 150 pounds and raised $50,000! I feel that I’ve been given a second life to devote to something that is 20 and enormous.1. A. add B. mix C. kill D. share2. A. diets B. drinks C. fruits D. dishes3. A. height B. ability C. wisdom D. weight4. A. temporarily B. recently C. seriously D. secretly5. A. ideal B. extra C. normal D. low6. A. attended B. organized C. recommended D. mentioned7. A. folk B. success C. adventure D. science8. A. Surprised B. Amused C. Influenced D. Disturbed9. A. project B. business C. system D. custom10. A. in search of B. in need of C. in place of D. in support of11. A. scared B. considered C. confused D. struck12. A. As B. Until C. If D. Unless13. A. get over B. run into C. look for D. put aside14. A. excitement B. joy C. anger D. fear15. A. row B. hall C. path D. street16. A. breaking B. flooding C. jumping D. stepping17. A. heavy B. full C. expensive D. healthy18. A. regularly B. limitlessly C. suddenly D. randomly19. A. set B. reached C. missed D. dropped20. A. stressful B. painful C. meaningful D. peaceful(七)One of the easiest things in the world is to become a fault-finder. However, life can be 1 when you are not busy finding fault with it.Several years ago I 2 a letter from seventeen-year-old Kerry, who described herself as a world-class fault-finder, almost always 3 by things. People were always doing things that annoyed her, and 4 was ever good enough. She was highly self-critical and also found fault with her friends. She became a really 5 person.Unfortunately, it took a horrible accident to change her 6 . Her best friend was seriously hurt in a car crash. What made it almost 7 to deal with was that the day before the 8 , Kerry had visited her friend and had spent the whole time criticizing her 9 of boyfriends, the way she was living, the way she related to her mother, and various other things she felt she needed to 10 . It wasn’t until her friend was badly hurt that Kerry became 11 her habit of finding fault. Very quickly, she learned to appreciate life rather than to 12 everything so harshly (刻薄地). She was able to transfer her new wisdom to other parts of her 13 as well.Perhaps most of us aren’t as extreme at faultfinding, 14 when we’re honest, we can be sharply 15 of the world. I’m not suggesting you 16 problems, or that you pretend things are 17 than they are, but simply that you learn to allow things to be as they are — 18 most of the time, and especially when it’s not a really big 19 .Train yourself to “bite your tongue”, and with a little 20 , you’ll get really good at letting things go. And when you do, you’ll get back your enthusiasm and love for life.1. A. lonely B. great C. quiet D. uneasy2. A. received B. answered C. expected D. rejected3. A. threatened B. interrupted C. bothered D. spoiled4. A. anything B. everything C. something D. nothing5. A. caring B. boring C. interesting D. surprising6. A. attitude B. plan C. measure D. explanation7. A. urgent B. unnecessary C. certain D. impossible8. A. occasion B. event C. accident D. adventure9. A. memory B. notice C. evidence D. choice10. A. hear B. contribute C. express D. admit11. A. aware of B. afraid of C. curious about D. confused about12. A. discuss B. realize C. judge D. settle13. A. family B. life C. career D. education14. A. so B. or C. but D. for15. A. proud B. sure C. hopeful D. critical16. A. face B. create C. solve D. ignore17. A. rarer B. better C. stranger D. worse18. A. at least B. at last C. by far D. so far19. A. task B. deal C. result D. duty20. A. practice B. speech C. rest D. pity(八)Tyler was a troubled student. He was in my senior class last year. It was 1 to his former teachers that he had made it to his senior year.He sat in the back row. Every time I spoke in the front of the class, I would ask students questions, 2 them by name. This helped me learn their names while getting the kids 3 . Unfortunately, every time I asked him a question, he would 4 with a flip (轻率的) answer. He knew the answers when he listened 5 he didn’t want to be asked. If he got a wrong answer, he would get very angry.One day, Tyler was talking while I was teaching. In the 6 of teaching I said, “Tyler, why are you having your own discussion instead of 7 ours?” With that, he 8 from his chair, pushed it over, and yelled. I sent him to the office with a discipline referral (纪律处罚表), and he 9 a week’s out of school suspension.The week’s out of school suspension was wonderful. However, the week soon came to a(n) 10 , and I began to worry about his 11 . I knew from talking with his other teachers that he would be back even angrier.I made a(n) 12 . On the day that he came back, I stood at the door 13 him. As soon as I saw him, I asked him to talk for a moment. He seemed 14 to do it but agreed. I told him that I wanted to start over (重新开始) with him. Furthermore, I gave him permission that if he felt he was going to lose 15 in class he could step right outside the door for a moment to collect himself.From that point on, Tyler was a(n) 16 student in my classroom. He listened and participated. He was 17 a smart child and I could finally get to see this in him. He even 18 a fight between two other students one day. I 19 that giving him the power to decide for himself made all the 20 .1. A. surprising B. interesting C. disappointing D. upsetting2. A. visiting B. watching C. interviewing D. calling3. A. defeated B. addicted C. involved D. impressed4. A. exchange B. respond C. share D. connect5. A. until B. if C. unless D. but6. A. case B. matter C. middle D. presence7. A .joining B. starting C. hearing D. learning8. A. fell down B. got up C. jumped in D. fell off9. A. suggested B. refused C. received D. requested10. A. end B. decision C. head D. agreement11. A. study B. return C. family D. health12. A. plan B. mistake C. face D. noise13. A. looking after B. escaping from C. waiting for D. staring at14. A. excited B. unhappy C. calm D. crazy15. A. touch B. courage C. heart D. control16. A. changed B. similar C. confused D. proud17. A. rarely B. actually C. usually D. hardly18. A. led B. missed C. reported D. stopped19. A. believe B. doubt C. expect D. recommend20. A. effort B. difference C. point D. way(九)My job was to make classroom observations and encourage a training program that would enable students to feel good about themselves and take charge of their lives. Donna was one of the volunteer teachers who participated in this 1 .One day, I entered Donna’s classroom, took a seat in the back of the room and 2 . All the students were working 3 a task. The student next to me was filling her page with “I Can’ts.” “I can’t kick the soccer ball.” “I can’t get Debbie to like me.” Her page was half full and she showed no 4 of stopping. I walked down the row and found 5 was writing sentences, describing things they couldn’t do.By this time the activity aroused my 6 , so I decided to check with the teacher to see what was going on 7 I noticed she too was busy writing. “I can’t get John’s mother to come for a parents’ meeting.” I felt it best not to 8 .After another ten minutes, the students were 9 to fold the papers in half and bring them to the front. They placed their “I Can’t” statements into an empty shoebox. Then Donna 10 hers. She put the lid on the box, tucked it under her arm and headed out the door. Students followed the teacher. I followed the students. Halfway down the hallway Donna got a shovel from the tool house, and then marched the students to the farthest corner of the playground. There they began to 11 . The box of “I Can’ts” was placed at the 12 of the hole and then quickly covered with dirt. At this point Donna announced, “Boys and girls, please join hands and 13 your heads.” They quickly formed a circle around the grave.Donna delivered the eulogy (悼词). “Friends, we gathered here today to 14 the memory of ‘I Can’t.’ He is 15 by his brothers and sisters ‘I Can’ and ‘I Will’. May ‘I Can’t’ rest in 16 . Amen!”She turned the students 17 and marched them back into the classroom. They celebrated the 18 of “I Can’t”. Donna cut a large tombstone from paper. She wrote the words “I Can’t” at the top and the date at the bottom, then hung it in the classroom. On those rare occasions when a student 19 and said, “I Can’t,” Donna 20 pointed to the paper tombstone. The student then remembered that “I Can’t” was dead and chose other statement.1. A. job B. project C. observation D. course2. A. checked B. noticed C. watched D. waited3. A. on B. with C. as D. for4. A. scenes B. senses C. marks D. signs5. A. nobody B. somebody C. everyone D. anyone6. A. curiosity B. suspect C. sympathy D. worry7. A. and B. or C. but D. so8. A. insert B. interrupt C. talk D. request9. A. taught B. shown C. forced D. instructed10. A. added B. wrote C. made D. folded11. A. cry B. pray C. dig D. play12. A. back B. bottom C. top D. edge13. A. drop B. raise C. fall D. lift14. A. keep B. thank C. forgive D. honor15. A. remembered B. punished C. removed D. replaced16. A. silence B. heart C. peace D. memory17. A. down B. up C. off D. around18. A. birth B. passing C. loss D. starting19. A. awoke B. reminded C. forgot D. apologized20. A. simply B. hardly C. seriously D. angrily(十)A Priceless GiftMy son is a crazy hockey fan. Several years ago, we watched a game together and he was very excited because we had only been able to attend a game 1 twice before. When the Rangers 2 , the crowd shouted wildly and it seemed as if the building would 3 from noise.But then the 4 happened. The other team scored four goals 5 , and all of a sudden our beloved Rangers were losing four 6 two. The crowd fell silent.What makes sporting events so interesting and exciting is that 7 can happen in any given game. This night was no 8 . The Rangers fought 9 and tied the game shortly before the end. Following an overtime period with no scoring, the team then went into a shootout (点球大战). And on this magical night, the Rangers didn’t 10 , winning the game by a goal.For my son, the victory was 11 than exciting. The goalkeeper picked the hockey puck(冰球)and threw it into the crowd. One of the three young men sitting in front of us 12 the puck and, as if in one motion after catching it, threw it back to my son.My son looked at the puck as if he had been given a precious 13 . And then, obviously 14 , he asked in a trembling voice, “Why did that man give me the puck?”I 15 to my son that the man had given him the puck because he knew how happy it would make him to have a souvenir from the game, which had been the winning goal in a shootout.Still in 16 , my son said, “He should have 17 it for himself. Why should he give it away? I really write and thank him.”I told my son that there was probably no way he would be able to find the man so that he could write to him. But I did say that there was something he could do — that when he was a grown-up attending a hockey game, he could look 18 for a boy or girl about his age now, and make sure that 19 he caught a puck coming off the rink (溜冰场), he would pass it along to them. My son nodded, and I knew he 20 .1. A. in private B. in person C. of ourselves D. on our own2. A. scored B. lost C. fought D. defended3. A. expand B. break C. explode D. drop4. A. unfortunate B. unimportant C. unnecessary D. unexpected5. A. suddenly B. continuously C. finally D. toughly6. A. by B. in C. to D. at7. A. everything B. anything C. something D. nothing8. A. difference B. expectation C. point D. exception9. A. excitedly B. fiercely C. surprisingly D. roughly10. A. succeed B. try C. worry D. disappoint11. A. more B. other C. less D. rather12. A. held B. grasped C. carried D. caught13. A. treasure B. possession C. belonging D. value14. A. surprised B. puzzled C. moved D. frightened15. A. introduced B. explained C. apologized D. talked16. A. relief B. horror C. despair D. disbelief17. A. kept B. gave C. caught D. threw18. A. up B. over C. around D. ahead19. A. if B. whether C. before D. unless20. A. heard B. admitted C. understood D. realized。
假期是快乐的,玩耍时快乐,学习是快乐的,进步是快乐的,有玩有学,又学又玩最快乐!高中数学知识总结(上篇)一、集合与逻辑1、区分集合中元素的形式:如:{}x y x lg |=—函数的定义域;{}x y y lg |=—函数的值域;{}x y y x lg |),(=—函数图象上的点集,如(1)设集合{|3}M x y x ==+,集合N ={}2|1,y y x x M =+∈,则M N = ___(答:[1,)+∞);(2)设集合{|(1,2)(3,4),}M a a R λλ==+∈ ,{|(2,3)(4,5)N a a λ==+ ,}R λ∈,则=N M _____(答:)}2,2{(--)2、条件为B A ⊆,在讨论的时候不要遗忘了φ=A 的情况如:}012|{2=--=x ax x A ,如果φ=+R A ,求a 的取值。
(答:a ≤0)3、补集思想常运用于解决否定型或正面较复杂的有关问题。
如已知函数12)2(24)(22+----=p p x p x x f 在区间]1,1[-上至少存在一个实数c ,使0)(>c f ,求实数p 的取值范围。
(答:3(3,)2-)4、注意命题p q ⇒的否定与它的否命题的区别:命题p q ⇒的否定是p q ⇒⌝;否命题是p q ⌝⇒⌝命题“p 或q ”的否定是“┐P 且┐Q ”,“p 且q ”的否定是“┐P 或┐Q ”注意:如 “若a 和b 都是偶数,则b a +是偶数”的否命题是“若a 和b 不都是偶数,则b a +是奇数”否定是“若a 和b 都是偶数,则b a +是奇数二、函数与导数1、对勾函数x ax y +=是奇函数,上为增函数,,在区间时)0(),0(,0∞+-∞<a ;递减,在时)0,[],0(,0a a a ->递增,在),a [],a (+∞--∞2、单调性①定义法;②导数法. 如:已知函数3()f x x ax =-在区间[1,)+∞上是增函数,则a 的取值范围是____(答:(,3]-∞));注意①:0)(>'x f 能推出)(x f 为增函数,但反之不一定。
2013年津市一中高三物理寒假作业1第一天 元月27日 姓名1.如右边左图所示,一根轻弹簧竖直地放在水平桌面上,下端固定,上端放一个重物。
稳定后弹簧的长度为L 。
现将该轻弹簧截成等长的两段,将该重物也分为重量相等的两块,按右图连接好,求:稳定后两段弹簧的总长度为L ´(弹簧劲度系数为k ).2.小球质量为m ,电荷为+q ,以初速度v 向右滑入足够长的水平绝缘杆,匀强磁场方向如图所示,球与杆间的动摩擦因数为μ。
试描述小球在杆上的运动情况。
3.质量均为m 的物体A 和B 用劲度为k 的轻弹簧连接在一起,将B 放在水平桌面上,A 用弹簧支撑着,如图所示。
若用竖直向上的力拉A ,使A 以加速度a 匀加速上升,试求:经过多长时间B 开始离开桌面;在B 离开桌面之前,拉力的最大值。
4.物体从某一高度自由下落,它所受的空气阻力大小跟下落速度的平方成正比,即满足f=kv2,已知比例系数k=20N s2/m2,物体总质量为72kg 。
设高度足够大,试讨论下列问题:(g 取10m/s2)(1)物体在空中做什么运动,试作出描述;(2)当物体的速度为4m/s 时,它所受到的阻力为多大?此时下降的加速度多大?物体最后的下落速度多大?(3)若H=200m ,则当物体从开始自由下落至地面的过程中,共损失了多少机械能?5、轻杆长2L,中点落在水平轴O点,两端分别固定着小球A和B,A球质量为m,B球质量为2m,小球的尺寸大小可以忽略不计。
杆在竖直平面内做圆周运动。
(1)当杆绕O转动到某一速度时,A球在最高点,如图所示,此时杆OA恰好不受力,求此时O轴的受力大小和方向;(2)保持上一问中的速度,B 球运动到最高点时,求O轴的受力大小和方向;(3)在杆的转速逐渐变化的过程中,能否出现O轴不受力的情况?此时A和B的状态各如何?6、质量为1kg的质点开始在xOy平面上的原点O,某一时刻受到沿+x方向的恒力F1作用,F1的大小为2N,若力F1作用一段时间t0后撤去,撤去力F1后2s末质点恰好通过该平面上的A点,如图所示,A 点的坐标为x=12m,y=16m。
北大附中高三年级语文科寒假作业(一)一、本大题4小题,每小题3分共12分1.下列词语中加点的字,每对读音都不相同....的一项是()(3分)A.解.聘/解.元露.马脚/露.宿风餐歆.羡/薪.火相传B.论.语/论.辩倒.春寒/翻江倒.海犄.角/掎.角之势C.禅.宗/禅.让和.稀泥/曲高和.寡洞穴./空穴.来风D.稽.首/稽.查发横.财/横.行霸道省.悟/反躬自省.2.下面语段中画线的词语,使用不恰当的是一项是()(3分)国学著作汗牛充栋,虽然是很多古人杰出智慧的成果,但也存在不合理、不科学的成分,正是这种良莠不一的状况,使得国学阅读尤其要注重甄别,择善而读。
国学经典不同于网络上速生速朽的文化产品,它是一种智慧的发酵与岁月的沉淀,蕴涵着丰富的知识与深刻的哲理,惟有细嚼慢咽,才能慢慢领悟。
一遍不行,便再来一遍,久而久之,才能逐渐进入“温故而知新”的境界,每次重读,都有新得,如此读书,才会收益无穷。
A.汗牛充栋 B.良莠不一 C.甄别 D.细嚼慢咽3.下列语句中,没有语病的一项是()(3分)A.日前,省物价部门表示,将加强成品油市场的监测,强化价格的监督检查,对突破国家规定的价格和变相涨价,要严肃查处,切实维护成品油市场的稳定。
B.近几年原本一枝独秀的央视春晚口碑日趋下滑,有的观众边看边骂、边骂还边看的现象屡见不鲜,但是,依然不错的收视率与可观的经济、品牌效益,令春晚成为诱人的蛋糕。
C. 为稳定旅游消费市场,2010年底,香港消费者委员会对外发布消费警示,曝光了部分以所谓“低价”等陷阱宰客的不良商家。
D. 像“中国达人秀”这类“零门槛”的选秀节目,让拥有才华和梦想的任何一个普通人,都可以展示天赋和潜能,也让我们懂得平凡人成就自我的关键在于是否相信梦想,相信奇迹。
4.依次填人下面一段文字横线处的语句,衔接最恰当的一组是()(3分)史铁生的离去令人痛惜,作家张炜在接受周末记者采访时说:“ ________。
高三数学寒假作业(一)一、选择题,每小题只有一项是正确的。
1.满足条件{1,2}{1,2,3}M =的所有集合M 的个数是 A.1B. 2C. 3D. 42.下列说法正确的是 ( ) A. 命题“R x ∈∃使得0322<++x x ”的否定是:“032,2>++∈∀x x R x ” B. “1>a ”是“)1,0(log )(≠>=a a x x f a 在),0(+∞上为增函数”的充要条件 C. “p q ∧为真命题”是“q p ∨为真命题”的必要不充分条件 D. 命题p :“2cos sin ,≤+∈∀x x R x ”,则⌝p 是真命题3.设函数()|sin(2)|3f x x π=+,则下列关于函数()f x 的说法中正确的是( ) A. ()f x 是偶函数B. ()f x 最小正周期为πC. ()f x 图象关于点(,0)6π-对称 D. ()f x 在区间7[,]312ππ上是增函数 4.实数5lg 24lg 81log 22723log 322++∙- 的值为( )5.函数()sin ,[,],22f x x x x =∈-12()()f x f x >若,则下列不等式一定成立的是( ) A .021>+x x B .2221x x > C .21x x > D .2221x x <6.已知等比数列{}n a 的首项,11=a 公比2=q ,则=+++1122212log log log a a a ( )A. 55B. 35C. 50D. 467.在等差数列{}n a 中,12012a =-,其前n 项和为12102012,2,n S a a S -=若则的值等于 A.2010-B.2011-C.2012-D.2013-8.在△ ABC 中,角 A 、B 、C 的对边分别为 a 、b 、c ,如果 cos(2)2sin sin 0B C A B ++<,那么三边长a 、b 、c 之间满足的关系是( )A .22ab c >B .222a b c +<C .22bc a >D .222b c a +<9.若点(4,2)P 为圆2260x y x +-=的弦MN 的中点,则弦MN 所在直线方程为( )A .2100x y +-=B .20x y -=C .280x y +-=D .260x y --=二、填空题10.已知复数(2)x yi -+ (,x y R ∈),则yx的最大值是 . 11.一根绳子长为6米,绳上有5个节点将绳子6等分,现从5个节点中随机选一个将绳子剪断,则所得的两段绳长均不小于2米的概率为 .12.曲线32y x x =-在点(1,-1)处的切线方程是______________. 13.已知函数11()||||f x x x x x=+--,关于x 的方程2()()0f x a f x b ++=(,a b R ∈)恰有6个不同实数解,则a 的取值范围是 .三、计算题14.(本小题满分14分)设对于任意的实数,x y ,函数()f x ,()g x 满足1(1)()3f x f x +=,且(0)3f = ()()2g x y g x y +=+,(5)13g =,*n N ∈(Ⅰ)求数列{()}f n 和{()}g n 的通项公式; (Ⅱ)设[()]2n n c g f n =,求数列{}n c 的前n 项和n S (Ⅲ)已知123lim03n n n -→∞+=,设()3n F n S n =-,是否存在整数m 和M 。
高三数学寒假作业(1)命题人: 李云鹏 复核人: 庄炳灵一.选择题(每题5分,共12小题,满分60分,每小题只有一个选项正确。
) 1.若集合M={y| y=x-3},P={y| y=33-x }, 则M∩P=( )A .{y| y>1}B .{y| y≥1}C .{y| y>0}D .{y| y≥0}2.将直线l :x +2y -1=0向左平移3个单位,再向上平移2个单位后得到直线l ´,则直线l 与l ´之间的距离为( )A .557 B .55C .51D .573.设命题甲:0122>++ax ax 的解集是实数集R;命题乙:10<<a ,则命题甲是命题乙成立的( )A .充分非必要条件B .必要非充分条件C .充要条件D .既非充分又非必要条件4.函数)(x f 的定义域为开区间),(b a ,导函数)(x f '在),(b a 内的图象如图所示,则函数)(x f 在开区间),(b a 内有极小值点( )A .1个B .2个C .3个D .4个5.若抛物线2pxy2=的焦点与椭圆12y6x22=+的右焦点重合,则p 的值为( )A.-2B.2C.-4D.4 6.已知直线m 与平面α相交一点P ,则在平面α内( )A .存在直线与直线m 平行,也存在直线与直线m 垂直B .存在直线与直线m 平行,但不一定存在直线与直线m 垂直C .不存在直线与直线m 平行,但必存在直线与直线m 垂直D .不一定存在直线与直线m 平行,也不一定存在直线与直线m 垂直7、在平行四边形A B C D 中,A C 与B D 交于点O E ,是线段O D 的中点,A E 的延长线与C D 交于点F .若AC = a ,BD = b ,则AF = ( )A .1142+ a bB .2133+a bC .1124+a bD .1233+a b8.已知等差数列{a n }中,a 1、a 3、a 9成等比数列,则1042931a a a a a a ++++=( )A.-56B.54C.1316D. 569.在△ABC 中,已知tanA +tanB =3tanA ·tanB -3,且sinBcosB =43,则△ABC 是( )A.正三角形B.直角三角形C.正三角形或直角三角形D.直角三角形或等腰三角形共线且,若项和为的前、若等差数列C B A OC a OA a OB S n a n n ,,,}{102001+=(不过原点),则=200S ( )100、A 101、B 200、C 201、D11.在R上定义运算⊗:)1(y x y x -=⊗.若不等式1)()(<+⊗-a x a x 对任意实数x 成立,则( )(A)11<<-a(B)20<<a(C)2321<<-a(D)2123<<-a12、过双曲线22221(0,0)xy a b ab-=>>的右顶点A 作斜率为1-的直线,该直线与双曲线的两条渐近线的交点分别为,B C .若12A B B C=,则双曲线的离心率是 ( )A二、填空题(本大题共4小题,每小题4分,共16分)13.已知),(y x P 满足约束条件⎪⎩⎪⎨⎧≥-≤--≤-+010103x y x y x ,则y x 2-的最大值是__________14. 已知⎩⎨⎧>+-≤=0,1)1(0,cos )(x x f x x x f π,则)34()34(-+f f 的值为_______ 15.圆锥底面半径为1,其母线与底面所成的角为60°,则它的侧面积为_________________. 16、已知函数bax x x f +-=2)(2(R x ∈),给出下列命题,其中正确命题的序号是_____。
2013届高三文科综合寒假作业(1)一、选择题:(44分)1. “生物乙醇”是一种清洁能源,传统生产主要以甘蔗、玉米、薯类为原料制取,目前已研发出由木质纤维素(如秸秆)炼制乙醇。
对比传统生产,新制取方式的意义不含A .减少温室气体的排放B .综合利用资源C .缓解“与人争粮”的矛盾D .降低原料成本 读“我国6省区天然草地面积与理论载畜量散点图”,回答2-3题。
2.比较6个省区,可知A .内蒙古和四川的天然草地面积最广阔B .西藏和黑龙江的理论载畜量较大C .单位面积天然草地理论载畜量最大的是黑龙江D .天然草地面积广的省区理论载畜量高 3. 若对某省区天然草地面积进行监测,最适用的地理信息技术是 A .RS B .GPS C .GPRS D .GIS4. 该数据反映我国A .人口增长加快B .出生率低于死亡率C .已进入老龄化社会D .劳动力仍较充足 5. 甲省区最可能是A .广西B .广东C .河南D .江西6.广东常说的“回南天”是一种天气返潮现象,对该现象发生时间及原因分析,正确的是A .春季—冷空气北撤,暖湿空气迅速反攻,遇到较冷物体而水汽凝结B .夏季—气温高,空气对流上升而水汽凝结C .夏秋季—台风过境,湿润气流辐合上升而水汽凝结D .冬季—冷空气南侵,暖湿气流被迫抬升而水汽凝结 读“我国东南沿海侵蚀海岸分布图”,回答7—8题。
7. 台湾岛东岸受海水侵蚀较西岸严重,主要原因是东岸A. 海平面上升B. 风浪大C. 降水量大D. 河流输沙量大8. 图中所示的沿岸寒流受盛行风影响,其最强盛的时段是天然草地面积(万公顷) 理论载畜量(万羊只∕年)0° 10°E 30° 30° 0.010%20%%30% 40% 50% 60%70%80%1960197019801990200020102020203020402050-0.5% 0.0 0.5% 1.0% 1.5% 平均城市化速度 城市化率 时间(年)(注:2010~2050年数据为预测值)B. 6—8月C. 9—11月D. 12—2月 读右图,回答第9—10题。
高三年级语文学科寒假作业(一)2020年1月18日(作业用时:60分钟)一、语言文字运用1.下列各组词语中加点字读音完全正确的一项是( )A.啮噬. (shì) 潜.规则(qián) 不着.边际(zhuó)装模.作样 (mú)B.下载. (zǎi) 顺口溜. (liū) 返璞.归真(pú) 浑.水摸鱼 (hún)C.咯.血 (gē) 一场.雨(cháng) 顺蔓.摸瓜(wàn) 沁人心脾. (pí)D.弭.谤 (mǐ) 血.淋淋(xiě) 叱咤.风云(chà) 着.手成春(zhuó)2.下列各组词语中,书写完全正确的一项是 ( )A.瑕不掩瑜纠纠武夫出奇制胜唾手可得B.融会贯通生死攸关震古铄今不胫而走C.英雄辈出飞短流长器宇轩昂首屈一指D.佶屈聱牙人情世故两全齐美平心而论3. 下列各句中,加点的成语使用恰当的一项是()A. 对于这座神秘的古代墓葬,专家们希望能从漫无边际....的史料中找到一些关于它的蛛丝马迹。
B. 从长辈们的闲言碎语....中,他了解到父亲乔明志曾经是一位屡立奇功、威名赫赫的抗日英雄。
C. 在44年的记者生涯中,他创作了一批优秀的新闻作品,在中国新闻史上留下了浓墨重...彩.的一笔。
D.市场调查发现,国内一些商家销售的红木家具质量良莠不齐....,有关部门提醒消费者选购时要谨慎。
4. 下列各句中,没有语病、语意明确的一项是()A.在全国产品质量和食品安全专项整治工作电视电话会议上,国务院副总理吴仪明确表示,要禁止取缔以公众人物、专家名义证明疗效的药品广告。
B.文学经典是历史的回声,是审美体验的延伸,也是后代作家超越自我的精神刻度,作家只有在与经典大师的竞争中,才能拓展文学的想象空间,为未来提供崭新的审美体验。
C.读完李煜的《虞美人》,读者就会被词作所谱写的回忆梦幻曲所感染,使读者感到余味无穷,不忍释手。
阳历2010年 月 日 星期积极的人在每一次忧患中都看到一个机会,而消极的人则在每个机会都看到某种忧患。
寒假作业基础自测 1.复数2(1)1i z i+=-的共轭复数所对应的点位于复平面的A .第一象限B .第二象限C .第三象限D .第四象限 2.在等比数列{}n a 中,若357911243a a a a a =,则7a 的值为 A .9 B .1 C .2 D .33.设:1p x <-或1x >,:2q x <-或1x >,则p ⌝是q ⌝的A .充分不必要条件B .必要不充分条件C .充要条件D .既不充分也不必要条件4.要得到sin 2cos 2y x x =+的图象,只需将2y x =的图象 A .向左平移4π个单位 B .向左平移8π个单位 C .向右平移4π个单位 D .向右平移8π个单位5.一个几何体的三视图如图所示,其中正视图的侧视图是腰长为4的两个全等的等腰直角三角形。
若该几何体的体积为 A .32 B .16 C .643D .3236.22)nx展开式中只有第六项的二项式系数最大,则展开式的常数项是 A .360 B .180 C .90 D .45能力提升1.设a R ∈,函数()x x f x e a e -=+⋅的导函数是'()f x ,且'()f x 是奇函数,若曲线()y f x =的一条切线的斜率是32,则切点的横坐标为A .ln 22-B .ln 2-C .ln 22D .ln 22.函数lg ||x y x=的图象大致是3.已知0,0,lg 2lg 8lg 2,x y x y >>+=则113xy+的最小值是A .2 B..4 D.4.设集合{||41|9,}A x x x R ==≥∈,{|0,}3x B x x R x =≥∈+,则A B =_________ 5.已知某算法的流程图如图所示,若将输出的(,)x y 值依次记为 11(,)x y 、22(,)(,)n n x y x y 、…、、…若程序运行中输出的一个数 组是(,8)x -,则x =_________。
高三历史寒假作业1(满分:100分)第Ⅰ卷选择题(共50分)一、选择题(本大题共25小题,每小题2分,共计50分。
在每小题给出的四个选项中,只有一项是最符合题目要求的)1.韩非子说:“事在四方,要在中央。
圣人执要,四方来效。
”下列最先实践该政治思想的是()A.封邦建国B.确立皇帝制度C.设三公九卿D.实行三省六部制2.从孔子提出“仁”到孟子主张“仁政”,再到荀子强调“仁义”,儒家思想的早期发展始终贯穿的一条主线是()A.从强调个人的道德修养入手描绘设计一个礼乐文明的社会B.统治者要“仁者,爱人”,被统治者要“克己,顺服”C.依靠礼仪法治的教化规范,把小人变成君子,凡人变成圣人D.从强调“三纲五常”入手构建一个大一统的社会3.孔子思想中主张以爱人之心调节与和谐社会人际关系的有①“仁者爱人”②“克己复礼”③“己所不欲,勿施于人”④“有教无类”()A.①②B.①③C.①④D.②④4.提出“天有常道矣,地有常数矣”“制天命而用之”的思想家是()A.孟子B.荀子C.庄子D.韩非子5.秦始皇时,王绾.李斯等先后任丞相。
他们的主要职责是()A.执掌群臣奏章.下达皇帝诏令和监察百官B.管理全国军事事务C.协助皇帝处理全国行政事务D.掌管刑狱.司法和钱谷6.与我国古代传统农业特点相符的有()①以个体小农为经营主体②以精耕细作为技术特征③以自给自足为主要经营目的④以铁犁牛耕为主要耕作方式A.①②③B.①②④C.②③④D.①②③④7.历代封建统治者推行“重农抑商”政策的根本目的是()A.限制和打击工商业者B.保护农业生产和小农经济C.维护自然经济D.巩固封建统治8.闭关锁国政策给中国带来的最主要的危害是()A.妨碍海外市场的开拓B.阻碍资本主义萌芽的滋长C.不能及时学习西方先进科技D.中国逐渐落后于世界潮流9.美国历史学家费正清认为:一部中国近现代史,就是一部中西文明相碰撞的历史,正是在西方文明的撞击下,中国近代盛开了进步之花。
高三英语寒假作业(一)根据下列各句句意和空白之后的汉语提示词,在答题卡指定区域的横线上写出对应单词的正确形式,每空只写一词。
检测题之一01.Tom tried to ________ (劝说) his father to give up smoking, but he failed.02.There is too much __________(暴力)on TV.03.We all _______________(爆发出)into wild laughter.04. They ______________(装饰)the room with flowers and balloons.05.He walked along in the shadows, hoping no one would ____ (认出) him.06.The island originally __________(属于)to India is occupied by Britain now.07.The students in our class should be ________(关心)about each other.08.How long have you _________ from (忍受)a headache?09.When he was a child, he (更喜欢) to swim.10.As is known to all, the news from CCTV is the most (可信赖的).检测题之二01. If you want to sell this product well, I advise you to a___________ it in the newspaper or onTV.02. The project should be __________(完成)within a year.03. Nearly all the a__________ to the palace were guarded by the soldiers.04. Group A gave _________(有说服力的)opinion and won the debate.05.The writer traveled throughout the country to p__________ his latest novel.06.The food was good but the____________(服务)was slow.07.What she has in mind is beyond ________(想象力).No one can tell what she will do next.08.Everyone’s fingerprints are u____________.09.If you c_____________ a crime, you will never escape being punished.10.When he woke up, Tom found himself ________(躺)in the farmer’s house.11.The supermarket _______(声称)that they have the freshest food.12.Our company always thinks for __________(消费者).13.We must be a___________ of our present situation.14.The company has over 500 stores __________(全国性的).15.After the war, a m___________ to the dead was raised in Tiananmen Square.16. Years of fighting have left Iraq in r___________.17. You can go out to play on c________ that you finish your home work.18. U_________, she didn’t pass the driving test though she tried hard.19. B _______in the book, the mother didn’t heard the girl crying.20. Shanghai as well as Guangzhou is a __________(商业的)city of China.检测题之三01.He made an ________(道歉)to his manager for his being late.02.They walked because they couldn‟t (付得起) a taxi.03. Tomorrow will be my mother‟s (四十) birthday.04.Winning the support of the majority requires _______(耐心),energy and devotion.05.The girl walked ________(自信地) on to the stage, ready for her first speech.06.They cannot leave the country without _________ (允许)07.Hearing the funny story, we burst out ______(大笑).008. Smith went to Chicago for________(技术)training.ually children are _______ (好奇的) about everything they see and meet.10.In order to reduce the toll of death and disease from tobacco, they have ________(限制) itsproduction.检测题之四01. Professor Li is very ________(热心) about his teaching. 01._________02. Her teaching is not like that of my __________(以前) teacher. 02._________03. The _______(表现) of the students in class shows they like her. 03._________04. The __________(少年) felt unhappy because their team failed. 04._________05. Your listening __________(理解) needs improving. 05._________06. They looked at the car until it __________(消失) in the darkness. 06._________07. History is not an _________(学术) subject. 07._________08. Secondary school in the US usually _________(包含) seven years. 08.__________09. His ___________(厌倦) speech made us sleepy. 09.__________10. He always ___________(鼓励) us when we failed. 10.__________检测题之五单词拼写(共10小题;每小题1分,满分10分)ually the f ____________ point of the water is 0℃02.In the fire, 060 percent of the houses were d_________.03.Weather experts have f_________ another sandstorm in a week‟s time there.04.We are all c _______ about his safety.05.It is all agreed that the pigeon is the s______ of peace.06.The exchange program between the UK and China may affect various school, __________ (变化) from kindergartens to high school.07.The ______________(气氛)over dinner was warm and friendly.08.It ________ (想起)to him that he had left his laptop in the hotel.09.He has no _________(以前的)experience of this kind of job.10.He needs a high _________(收入)to support such a large family.检测题之六单词拼写(根据汉语提示用正确的词的适当形式填空)1.I’m slowly _______ (恢复) my strength after being ill.2.I can’t _______ (忽视) his rudeness any longer.3.He has a good _______ (掌握) of the French language.4.My little sister can speak _______ (流利的) Russian.5.The manager needs a _______ (可信赖的) assistant.6.Tom offered me his _______ (祝贺) on my success.7.My mother _______ (更喜欢) staying at home to going shopping when I was young.8.The aircraft crashed and _______ (爆发) into flames.9.She is always confident and she is always _______ (决定的) to succeed.10.The smoke rose _______ (笔直地) up.试卷答案(一)1-10:persuade violence burst decorated recognizebelonging concerned suffered preferred reliable(二)2.1.advertise pleted3.approaches4.persuasive5. promote 06. service7.imagination 08.unique9. commit 10. lying11. claims 12. customers 13. aware 14. nationwide 15.memorial 106.ruins 17. condition 108. Unfortunately 19. Buried mercial(三)1-10:apology afford fortieth patience confidentlypermission laughing technical curious Limited(四)1-10:enthusiastic previous behaviour teenagers comprehension disappeared academic covers boring encouraged(五)1-10:freezing damaged forecastconcerned symbol rangingatmosphere occurred previous85. income(六)1.recovering2.ignoremand4.fluent5.reliable6.congratulations7.preferred8.burst9.determined 10.straight高三英语寒假作业(二)1.He found himself by a crowd of excited people and to escape. A.surrounded; tryingB.surrounding; tryingC.surrounding; triedD.surrounded; tried2.Children will _____ leave home to lead their own lives as fully independent adults.A. constantlyB. regularlyC. eventuallyD. unfortunately3. She will tell us why she feels so strongly that each of us has a role _____ in making the earth abetter place to live.A.playing B.to play C.played D.to be playing 4.Some high school teachers strongly ______ the reform of the current education system to make students develop in an all-round way.A . advocate B. establish C. dominate D. complain5.The project Wang Lin’s life is one of the many government programmes________improving the situation for the poorest people in China.A.that saved; aiming at B.which has saved; aimed atC.which had saved; aimed at D.that had saved; aiming at6.—Why haven’t you asked him to come here?— He ______ an important experiment when I found him and he ______ it.A. had done; didn’t finishB. was doing; hasn’t finishedC. did; w ouldn’t finishD. did; hadn’t finished7.After his journey from Tibet, Richard Jones returned home, .A.tiring and sleeping B.tired and asleepC.tired and sleepy D.tiring and sleep8.This is the best way I could think of ________ the students ________ the rules.A.to stop;breakingB.stopping;breaking B.stop;to breakD.stopped;from breaking9. Playing video games can make children aggressive and ________ attention disorders. So children who play video games a lot seem to have more trouble in school.A.contribute to B.result fromC.lie in D.come about10. He told me that his request for a rise had been _____.A. turned outB. turned overC. turned aroundD. turned down11.Jade is the highest award in Chinese culture and medals are the most important prize in Olympics, so medals with jade is the perfect _________ to present the Olympics in Beijing.A. connectionB. cooperationC. combinationD. composition12.In order to increase their vote, they _________ another candidate a traitor to the country.A. announcedB. declaredC. thoughtD. conquere13.. He _____ me of it even though he was very busy then.A. may remindB. may have remindedC. might have remindedD. ought to reminded14.. She has written a lot of novels, some of them _____ into English.A. translatedB. having translatedC. translatingD. to translate15.Owing to the recent bad weather, the project is several weeks behind ______.A. adventureB.passageC.connectionD. schedule16. ______ as planned, our work was highly thought of.A. CompletedB. CompletingC. Having completedD. To be completed17. China's agriculture has been developing steadily, thus _ light industry with ampleraw materials,A.providing B.to provide C.provides D.provided18.Because of his achievement in the field, Mr.Young is as an example of a man whoworks hard and manages to live his dream.A.lived up to B.looked up to C.stood up to D.followed up to 19—Mum,I can’t see any point in studying hard.—Come on,Dear!Years of hard study will surely in your future career.A.make sure B.pay back C.bring back D.pay off20—Hi,John!—Oh,it’s you,Michael.Sorry,I in the other direction.A.am looking B.was looking C.had looked D.have looked21.The boy is often seen standing at the gate of Peking University,with his camera on the beautiful girls passing by.A.focusing B.to focus C.focused D.being focused22.People all over the world are opposed to war, but by no means it,which is indeed a regret.A.they can avoidB.they can not avoidC.can they not avoidD.can they avoid23.After getting the visa,I was still very nervous as I didn't know what .A.to be expected B.to expect C.expecting D.to be expecting24An ipad3,to be most useful and.fashionable,is popular with some teenagers.A.considered B.considering C.consider D.to be considered 25.—Mr.White didn t come last night, did he?—No, we _____ for him.A whole night was wasted.A.waited B.would waitC.are waiting D.had been waiting26.—Jeff, you look so excited today.—Sure I am.I _____ a good job in a big company, you know.A.offered B.will offerC.have been offered D.was offered27.Chemical pollution will bring about a threat to agriculture and food chain, and ________ to human health.A. frequentlyB. significantlyC. steadilyD. consequently28.Novak Djokovic won the 2012 Australia Open,____Rafael Nadal on January 29, 2012, after ahard match.A. beatB. was beatenC. beatenD. beating29 --- Are you glad that you came to Fuzhou?--- Yes, indeed. I ________ going to Beijng or Shanghai.A. have consideredB. am consideringC. had consideredD. was considering30.While our city tries impatiently to change its appearance by tearing down old buildings, moreand more citizens are suggesting ways to ____ the historically important architecture.A.decorate B.develop C.preserve D.reservest week I took the Civil Service Admission Examination, for which I _____ for nearly threemonths.A.had prepared B.would prepareC.was preparing D.have been preparing32.A big company was built in our city in 2011, ______ a lot of job opportunities for the unemployed.A.to create B.created C.creating D.having created33.A harmonious society is very important , so all the laws must be strictly ______.A. watchedB. observedC. carriedD. handled34 _____ healthy, with easy access to affordable medical care, is still a dream for many people, with medicine price ______ sharply.A. Keeping; riseB. Keeping; risingC. To keep; risenD. Having kept; to rise35 The 30th Olympic Games, ______ between July 27 and August 12 in 2012, will take place in London.A. schedulingB. to scheduleC. scheduledD. to have scheduled36.-How is your recent trip to Sichuan?-- I’ve never had __________ one before.A. a pleasantB. the most pleasantC. a most pleasantD. a more pleasant37.John once worked in a remote mountain village school, which is ____only on foot.A. acceptableB. accessibleC. availableD. appropriate38.— Can you think of another good idea?—This is the best way I can imagine ________the goal.A. to achieveB. to achievingC. achievingD. having achieved39._______ his scientific work, he has no time to care for his family affairs, _______, of course, his wife always complains about.A. Devoting to; whichB. Being devoted to; thatC. Devoted to; whichD. Devoting to; that40.Samuel can’t help having a big nose—it is _____of him to be curious about others’ affairs.A. considerateB. constantC. typicalD. unique41. The broken bike was found _________by the river-side.A. abandoningB. abandonedC. to be abandonedD. being abandoned42.30. The book , ________for beginners , is popular with students.A. designsB. designingC. designedD. to design43. _________ on the top of the hill is a monument, dating back to hundreds of years ago.A. StandingB. Having stoodC. StandD. To stand44. This book______18 articles , _______ three written by my father.A. contains; includesB. includes; containsC. contains; includingD. includes; containing参考答案1.D2.C3.B4.D5.B6.B7.C8.A9.A10.D11.C12.B13.C14.A15.D16.A17.A18.B19.D20.B21.C22.D23.B24.A25.D26.C27.D28.D29.C30.C31.A32.C33.B34.B35.C36.D37.B38.A39.C40.C41.B42.C43.A44.C高三英语寒假作业(三)完型填空之一.When I entered Berkeley, I hoped to earn a scholarship. Having been a Straight-A student, I believed I could __1__ tough subjects and really learn something. One such course was World Literature given by Professor Jayne. I was extremely interested in the ideas he 2 in class.When I took the first exam, I was 3 to find a 77, C-plus, on my test paper, 4 English was my best subject. I went to Professor Jayne, who listened to my arguments but remained_ 5 .I decided to try harder, although I didn‟t know what that 6 because school had always been easy for me. I read the books more carefully, but got another 77. Again, I 7 with ProfessorJayne. Again, he listened patiently but wouldn‟t change his 8 .One more test before the final exam. One more 9 to improve my grade. So I redoubled my efforts and, for the first time. 10 The meaning of the word “thorough”. But my11__ did no good and everything 12 as before.The last hurdle(障碍) was the final. No matter what 13 I got, it wouldn‟t cancel three C-pluses. I might as well kiss the 14 goodbye.I stopped working head. I felt I knew the course material as well as I ever would. The night before the final, I even 15 myself to a mo vie. The next day I decided for once I‟d have16__with a test.A week later, I was surprised to find I got an A. I hurried into professor Jayne‟s office. He 17_ to be expecting me. “If I gave you the As you18, you wouldn‟t continue to work as hard.”I stared at him. 19 That his analysis and strategy(策略) were correct. I had worked my head 20 , as I had never done before.I was speechless when my course grade arrived: A-plus. It was the only A-plus given. The next year I received my scholarship. I‟ve always remembered Professor Jayne‟s lesson: you al one must set your own standard of excellence.1. A. take B. discuss C. cover D. get2.. A. sought B. presented C. exchanged D. obtained3. A. shocked B. worried C. scared D. anxious4. A. but B. so C. for D. or5. A. unchanged B. unpleasant C. unfriendly D. unmoved6. A. reflected B. meant C. improved D. affected7. A. quarreled B. reasoned C. bargained D. chatted8. A. attitude B. mind C. plan D. view9. A. choice B. step C. chance D. measure10. A. memorized B. considered C. accepted D. learned11. A. ambition B. confidence C. effort D. method12. A. stayed B. went C. worked D. changed13. A. grade B. answer C. lesson D. comment14. A. scholarship B. course C. degree D. subject15. A. helped B. favored C. treated D. relaxed16. A. fun B. luck C. problems D. tricks.17. A. happened B. proved C. pretended D. seemed18. A. valued B. imagined C. expected D. welcomed19. A. remembering B. guessing C. supposing D. realizing20. A. out B. over C. on D. off完型填空之二阅读下面短文,从短文后各题所给的四个选项(A、B、C和D)中,选出最佳选项。
一、选择题:本大题共10小题.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.已知全集U =R ,集合{|22}A x x =-<<,2{|20}B x x x =-≤,则A B = ( )A .(0,2)B .(0,2]C .[0,2)D .[0,2]2.某赛季,甲、乙两名篮球运动员都参加了11场比赛,他们每场比赛得分的情况用如图所示的茎叶图表示,则甲、乙两名运动员中位数分别是( ) A .19、13 B .13、19 C .20、18 D .18、203.已知向量)1,(),21,8(x x ==,其中1>x ,若)2(+∥,则x 的值为 ( ) A .0 B .2C .4D .84.已知函数2log (0)()2(0)xx x f x x >⎧=⎨≤⎩,若1()2f a =,则实数a = ( ) A .1-BC .1-D .1或5.直线20ax y a -+=与圆229x y +=的位置关系是( ) A .相离B .相交C .相切D .不确定6.在区间[0,1]上任取两个数a 、b ,则方程220x ax b ++=有实根的概率为 ( ) A .18B .14C .12D .347.已知a ∈R ,则“2a >”是“22a a >”的 ( )A .充分不必要条件B .必要不充分条件C .充要条件D .既不充分也不必要条件甲 乙 7 9 8 0 7 8 5 5 7 9 1 1 1 3 3 4 6 2 2 0 2 3 1 0148.曲线y=2x-x 3在横坐标为-1的点处的切线为l ,则点P(3,2)到直线l 的距离为 ( ) A .227B .229 C .2211D .101099.等差数列{}n a 的前m 项的和是30,前2m 项的和是100,则它的前3m 项的和是A .130B .170C .210D .26010.设由正数组成的等比数列,公比q =2,且3030212=a a a ……·,则30963a a a a ……··等于A .102B .202C .162 二、填空题:本大题共7个小题,把答案填在题中横线上.11.已知复数i a a a a )6()32(22-++-+表示纯虚数,则实数a 的值等于 12.函数x x y 21-+=的值域是13.已知x 、y 满足约束条件⎪⎩⎪⎨⎧≤≥+≥+-3005x y x y x ,则y x z 42+=的最小值为 . 14.已知αββαtan ,41tan ,31)tan(则==+的值为 。
第Ⅰ卷阅读题(70分)一、现代文阅读(9分,每小题3分)阅读下面文字,完成1—3题。
砚铭考砚,是人们熟悉的磨墨工具,在我国已经有悠久的历史。
黄帝时代是我国从原始氏族阶段向国家形成过渡的时期,当时,已经出现私有财产,人们把自己心爱的墨海——大砚,刻上自己的名字表示拥有。
砚铭,是刻在砚底、砚头、砚盖、砚身四侧或其他空余部分的一种可长可短,亦诗亦文,不拘一格的自由文体。
古人大多把格言、诗句、警句作为砚铭,奉为自己的行为准则,并时时劝勉自己要躬身力行。
就是今人,也时闻有如此雅兴。
因此,它也是我国独有的文化现象和优秀的传统文化形式之一。
它不仅能增加砚台的艺术欣赏价值,而且还是文物评定的标准和鉴定真伪的依据,故颇受人们的喜爱和重视。
后来,随着社会的进步,砚铭也由最初简单表示所属关系的姓名,逐渐发展成为一种记事咏物、说理寄情、言志叙怀的文学形式。
《大戴礼记》所载的西周太公金匮砚铭是我国现存最早的砚铭,是以文学形式写成的,其铭曰:“石墨相著而黑,邪心谗言,得无白。
”不过作为一种文学创作体裁的砚铭,还是到了汉魏时期才形成。
作为文学形式的早期砚铭,大多数是就砚说砚,是文人用以品评和赞美砚的。
到了宋代,人们喜欢用它抒发自己的思想感情,从此以后,言志寄情、赋诗颂词便成了砚铭创作的主流之一,并留下了许多脍炙人口的名篇佳作。
如文天祥写的砚铭:“砚虽非铁难磨穿,心虽非石如其坚,守之弗失道自全。
”就属此类。
砚铭作为艺术品的出现,比作为文学作品要晚得多,它兴于宋元,盛于明清。
宋末元初,我国篆刻艺术空前兴盛,砚铭在它的影响下,开始向艺术方向发展。
在刻制技艺上,砚铭广泛地吸收了篆刻艺术的全面构图、章法布局和刀法技巧,大大地提高了砚铭的艺术欣赏品位。
同时砚铭亦趋于完备,年款也较之前代更为普遍,并出现了在铭后加钤[注:盖(图章)]的新内容。
从此,款记便成了砚铭不可分割的组成部分,更增加了砚铭的装饰美。
明清时期,赏砚之风日盛。
当时金石书法名家辈出,他们中不少人自己动手书写和镌刻砚铭,如纪晓岚。
江苏省启东中学2011届高三数学寒假作业(一)1月27日线性相关系数公式:21211)()())((∑∑∑===----=ni i ni ini i iy y x xy y x xr线性回归方程系数公式:ˆybx a =+,其中121()()()niii nii x x yy b x x ==--=-∑∑,a y bx =-.一、填空题: 1.命题“1x>”是“2x x >”的▲ 条件.2.已知集合{}1,0A =-,集合{}0,1,2B x =+,且A B ⊆,则实数x 的值为 ▲ .3. 若关于x 的不等式2293x x x kx ++-≥在[1,5]上恒成立,则实数k 的范围为 ▲4.已知方程x 2+(4+i)x +4+a i=0(a ∈R )有实根b ,且z =a +b i ,则复数z = ▲ .5.以双曲线2213x y -=的一条准线为准线,顶点在原点的抛物线方程是 ▲6. 已知函数421,0()3,1c ccx x c f x x x c x +<<⎧=⎨+≤<⎩满足29()8f c =,则不等式()2f x <的解集 ▲ 7.下面的程序段结果是▲8.已知点P 在直线210x y +-=上,点Q 在直线230x y ++=上,PQ 中点为(,)M x y ,且2y x >+ ,则y x的取值范围为 ▲ .9.若函数f (x )=min{3+log 41x ,log 2x },其中min{p ,q }表示p ,q 两者中的较小者,则f (x )<2的解集为_ ▲ .10.已知函数)(x f 定义在正整数集上,且对于任意的正整数x ,都有(2)2(1)f x f x +=+()f x -,且(1)2,(3)6f f ==,则(2009)f = ▲ ._11.设θγ,为常数(0,,,442πππθγ⎛⎫⎛⎫∈∈ ⎪ ⎪⎝⎭⎝⎭),若sin()sin()αγγβ++-=sin (sin θα i←1 s←1While i≤4 s←s×i i←i+1 End while Print ssin )cos (cos cos )βθαβ-++对一切R ∈βα,恒成立,则2tan tan cos()sin ()4θγθγπθ+-=+ ▲ .12.设220240330x y x y x y +-≤⎧⎪-+≤⎨⎪-+≥⎩,则目标函数22z x y =+取得最大值时,x y +=13.一个正六面体的各个面和一个正八面体的各个面都是边长为a 的正三角形,这样的两个 多面体的内切球的半径之比是一个最简分数nm,那么积m ·n 是 ▲ . 14.已知函数①x x f ln 3)(=;②x e x f cos 3)(=;③x e x f 3)(=;④x x f cos 3)(=.其中对于)(x f 定义域内的任意一个自变量1x 都存在唯一个自变量)()(,212x f x f x 使=3成立的函数是序号是___二、解答题:.15.设向量(cos ,sin )m θθ=,sin cos )n θθ= ,),23(ππθ--∈,若1m n ∙= , 求:(1))4sin(πθ+的值; (2))127cos(πθ+的值.16.如图,E 、F 分别为直角三角形ABC 的直角边AC 和斜边AB 的中点,沿EF 将AEF ∆折起到'A EF ∆的位置,连结'A B 、'A C ,P 为'A C 的中点. (1)求证://EP 平面'A FB ;(2)求证:平面'A EC ⊥平面'A BC ; (3)求证:'AA ⊥平面'A BC .A'CBA17.已知直线(14)(23)(312)0()k x k y k k R +---+=∈所经过的定点F 恰好是椭圆C 的一个焦点,且椭圆C 上的点到点F 的最大距离为8. (1)求椭圆C 的标准方程;(2)已知圆22:1O xy +=,直线:1l mx ny +=.试证明当点(,)P m n 在椭圆C 上运动时, 直线l 与圆O 恒相交;并求直线l 被圆O 所截得的弦长的取值范围.18.某公司欲建连成片的网球场数座,用128万元购买土地10000平方米,该球场每座的建筑面积为1000平方米,球场的总建筑面积的每平方米的平均建筑费用与球场数有关,当该球场建n 个时,每平方米的平均建筑费用用f (n )表示,且f (n )=f (m )(1+20mn -)(其中n >m ,n ∈N),又知建五座球场时,每平方米的平均建筑费用为400元,为了使该球场每平方米的综合费用最省(综合费用是建筑费用与购地费用之和),公司应建几个球场?19..已知定义在R 上的函数)3()(2-=ax x x f ,其中a 为常数.(1)若x =1是函数)(x f 的一个极值点,求a 的值;(2)若函数)(x f 在区间(-1,0)上是增函数,求a 的取值范围;(3)若函数]2,0[),()()(∈'+=x x f x f x g ,在x =0处取得最大值,求正数..a 的取值范围.20.已知函数()f x kx m =+,当[]11,x a b ∈时,()f x 的值域为[]22,a b ,当22[,]x a b ∈时,()f x 的值域为33[,]a b ,依次类推,一般地,当[]11,n n x a b --∈时,()f x 的值域为[],n n a b ,其中k 、m 为常数,且110,1a b ==.(1)若k =1,求数列{}{},n n a b 的通项公式;(2)若0k >且1k ≠,问是否存在常数m ,使数列{}n b 是公比不为1的等比数列?请说明理由; (3)若0k <,设数列{}{},n n a b 的前n 项和分别为,n n S T ,求()()122008122008T T T S S S +++-+++ .附加题部分1. 求曲线x x x y 223++-=与x 轴所围成的图形的面积.2.已知圆C的参数方程为2cos 2sin x y θθ⎧=⎪⎨=⎪⎩ (θ为参数),若P 是圆C 与y 轴正半轴的交点,以圆心C 为极点,x 轴的正半轴为极轴建立极坐标系,求过点P 的圆C 的切线的极坐标方程.3.已知二阶矩阵M 有特征值8λ=及对应的一个特征向量111e ⎡⎤=⎢⎥⎣⎦,并且矩阵M 对应的变换将点(1,2)-变换成(2,4)-.(Ⅰ)求矩阵M ;(Ⅱ)求矩阵M 的另一个特征值,及对应的一个特征向量2e的坐标之间的关系;(Ⅲ)求直线:10l x y -+=在矩阵M 的作用下的直线l '的方程.4.某商品,根据以往资料统计,顾客采用的付款期数ξ的分布列为4期或5期付款,其利润为300元.η表示经销一件该商品的利润.(1)求事件A :“购买该商品的3位顾客中,至少有1位采用1期付款”的概率()P A ;(2)求η的分布列及期望E η.。
天津市2013-2014学年高三寒假作业(1)语文 Word版含答案第Ⅰ卷(选择题,共36分)一、(15分,每小题3分)1.下列各项加点字的读音全都相同的一项是()A。
羸.弱/擂.鼓敕.造/整饬.疾风劲.草/肌肉痉.挛B.创.伤/悲怆.款识./钥匙.铩.羽而归/凶神恶煞.C.削.肩/削.面勉强./强.迫螳臂当.车/安步当.车D。
毗.邻/癖.好罢黜./拙.劣迄.今为止/同仇敌忾.2.下列词语中,没有错别字的一组()A。
安祥满堂采棉里藏针针尖对麦芒B.撕打挖墙脚龙盘虎踞时世造英雄C.博弈里程碑要言不烦蚍蜉撼大树D。
欠收邻界点以德报怨瑞雪照丰年3.选出填入横线处的词语最恰当的一项()近年来,随着人们的生活改善,玉器收藏的越来越盛,人们不仅喜欢佩戴、把玩玉器,还把收藏玉器作为一项投资.一些玉器商人掌握了人们的这种心理,大量仿制古玉器, 玉器收藏爱好者,已达到牟取暴利的目的,造成了目前玉器市场的局面.A.风俗蒙骗进而鱼龙混杂B。
风俗诱骗进而鱼目混珠C.风气蒙骗因而鱼目混珠 D.风气诱骗因而鱼龙混杂4.下列句子中,没有语病的一项是()A.一些欧美发达国家采用强力刺激经济、维持高福利的发展模式,不仅导致其国家内部产生各种弊病,也对世界经济造成了巨大影响。
B.据权威部门调查显示,全国各大中城市楼市成交量持续走低的主要原因之一是国家对房地产的调控措施让不少购房者仍持观望态度。
C.每天,全球有5。
5亿用户操着75种不同的语言在FACEBOOK上评价、浏览、分享,全部用户每月耗费在这个社交网站上的时间总计高达7000亿分钟.D.面对全球性的金融危机,我国的经济在第三季度还能保持持续稳步增长,表明我国应对经济危机的调控措施和抗危机的能力不断提高。
5.下列有关文学常识的表述不正确的一项是( )A.“风骚”一词起源于《诗经》和《离骚》,“风"是《诗经》中传统的表现手法,“骚”指楚辞开创者屈原的代表作《离骚》B.韩愈是唐代“古文运动”的倡导者,苏轼称他“文起八代之衰",明人将他列于“唐宋八大家”之首。
高三语文寒假作业(一)一、文言文阅读耶律屋质,字敌辇。
姿简静,有器识,重然诺。
遇事造次,处之从容,人莫能测。
会同间,太宗崩,诸大臣立世宗,大后闻之,怒甚,遣皇子李胡以兵逆击,遇安端、刘哥等于泰德泉,败归。
李胡尽执世宗臣僚家属,谓守者曰:‚我战不克,先殪此曹!‛人皆相谓曰:‚若果战,则是父子兄弟相夷矣!‛军次潢河,隔岸相拒。
时屋质从太后,世宗以屋质善筹,欲行间,乃设事奉书,以试太后。
太后得书,以示屋质。
屋质读竞,言曰:‚太后佐太祖定天下,故臣愿竭死力。
若太后见疑,臣虽欲尽忠,得乎?‛太后曰:‚我若疑卿,安肯以书示汝?‛屋质对曰:‚李胡、永康王皆太祖子孙,神器非移他族,何不可之有?太后宜思长策,与永康王和议。
‛太后乃遣屋质授书于帝。
帝遣宣徽使耶律海思复书,辞多不逊。
屋质谏曰:‚书意如此,国家之忧未艾也。
能释怨以安社稷,则臣以为莫若和好。
‛帝曰‚彼众乌合,安能敌我?‛屋质曰:‚即不敌,奈骨肉何?况未知孰胜?借曰幸胜,诸臣之族执于李胡者无噍类①矣。
以此计之,惟和为善。
‛帝然之。
始相见,怨言交让.,殊无和意。
太后谓屋质曰:‚汝当为我画之。
‛屋质进曰;‚太后若能释怨,臣乃敢进说。
‛太后曰:‚汝第.言之。
‛太后复谓屋质曰:‚议既定,神器竟谁归?‛屋质曰:‚太后若授永康王,顺天合人,复何疑?万口一辞,愿立永康王,不可夺.也。
‛乃许立永康。
天禄二年,耶律天德、萧翰谋反下狱,刘哥及其弟盆都结天德等为乱。
耶律石刺潜告屋质,屋质遽引入见,白其事。
刘哥等不服,事遂寝.。
未几,刘哥邀驾现樗蒲②,捧觞上寿,袖刃而进。
帝觉,命执之,亲诘其事。
刘哥自誓,帝复不问。
屋质奏曰:‚当使刘哥与石刺对状,不可辄恕。
‛帝曰:‚卿为朕鞫之。
‛屋质率剑士往讯之,天德等伏罪,诛天德,杖翰,迁刘哥。
保宁五年五月薨,年五十七。
帝痛悼,辍朝三日。
(选自《辽史•列传第七》,有删改) 注:①噍类:能吃东西的动物,特指活着的人。
②樗蒲:赌博的一种活动。
5.对下列句子中加点的词的解释,不正确的一项是( )A.始相见,怨言交让.让:责备 B.愿立永康王,不可夺.也夺:强取C.太后曰“汝第.言之。
高三应届全体教师祝愿同学们寒假生活愉快!201 年高三应届寒假生活· 物理 学科 种瓜得瓜,种豆得豆,种上希望,四个月后,收获喜悦考试范围:直线运动与物体平衡 一、选择题1.一个物体做匀加速直线运动,它在第5s 内的位移为9m ,则下列说法正确的是( )A .物体在第4.5秒末的速度一定是9m/sB .物体的加速度一定是2m/s 2C .物体在前9s 内的位移一定是81mD .物体在9s 内的位移一定是17m2.如右图甲所示,一定质量的物体置于固定粗糙斜面上。
t =0时对物体施以平行于斜面向上的拉力F ,t =1s 时撤去拉力,斜面足够长,物体运动的部分v-t 图如右图乙所示,则下列说法中正确的是 ( ) A .t =1s 物体速度反向 B .t =3s 时物体运动到最高点C .1~2秒内物体的加速度为0~1秒内物体的加速度的2倍D .t =3s 内物体的总位移为零3.如右图所示,木块A 、B 并排且固定在水平桌面上,A 的长度是L ,B 的长度是3L ,一颗子弹沿水平方向以速度v 1射入A ,以速度v 2穿出B ,子弹可视为质点,其运动视为匀变速直线运动,则子弹穿出A 时的速度为 ( )A .4212v v +B .432122v v + C .432122v v - D .22v4.a 、b 、c 三个物体在同一条直线上运动,三个物体的位移-时间图象如右图所示,图象c是一条抛物线,坐标原点是抛物线的顶点,下列说法中正确的是 ( )A .a 、b 两物体都做匀速直线运动,两个物体的速度相同B .a 、b 两物体都做匀速直线运动,两个物体的速度大小相同方向相反C .在0~5s 的时间内,t =5s 时,a 、b 两个物体相距最远D .物体c 做匀加速运动,加速度为0.2m/s2 5.甲、乙两车在公路上沿同一方向做直线运动,在t =0时,乙车在甲车前50m 处,它们的v -t 图象如下图所示,下列对汽车运动情况的描述正确的是 ( ) A .甲车先做匀速运动再做反向匀减速运动B .在第20s 末,甲、乙两车的加速度大小相等C .在第30s 末,甲、乙两车相距50mD .在整个运动过程中,甲、乙两车可以相遇两次5.如右图甲所示,一物块置于水平地面上。
高三分册生物寒假作业1日期:2011年1月26日一、选择题1、下列糖类中属于单糖的是()A、蔗糖B、核糖C、糖原D、淀粉2、下列各组物质中,由相同种类元素组成的是()A、胆固醇、脂肪酸、脂肪酶B、淀粉、半乳糖、糖原C、氨基酸、核苷酸、丙酮酸D、性激素、生长激素、胰岛素3、核糖与核酸都不含有的元素是()A、NB、OC、PD、S4、人体内胆固醇可以转化为()A、生长激素B、甲状腺素C、胰岛素D、维生素D5、下列与生物体内核酸分子功能多样性无关的是()A、核苷酸的组成种类B、核苷酸的连接方式C、核苷酸的排列顺序D、核苷酸的数量多少6、核酸是细胞内携带遗传信息的物质,以下DNA与RNA特点的比较,叙述正确的是()A、在细胞内存在的主要部位相同B、构成的五碳糖不同C、核苷酸之间的连接方式不同D、构成的碱基相同7、下列关于蛋白质和氨基酸的叙述正确的是()A、具有生物催化作用的酶都是由氨基酸组成的B、高等动物能合成生命活动所需的20种氨基酸C、细胞中氨基酸种类和数量相同的蛋白质是同一种蛋白质D、在胚胎发育过程中,基因选择性表达,细胞会产生新的蛋白质8、现有氨基酸800个,其中氨基总数为810个,羧基总数为808个,则由这些氨基酸合成的含有2条肽链的蛋白质共有肽键、氨基和羧基的数目依次分别为()A、798、2和2B、798、12和10C、799、1和2D、799、11和199、下列不属于植物体内蛋白质功能的是()A、构成细胞膜的主要成分B、催化细胞内化学反应的酶C、供给细胞代谢的主要能源物质D、根细胞吸收矿质元素的载体10、下列关于RNA的叙述,错误的是()A、RNA催化细胞内某些生化反应B、RNA是一种遗传物质C、RNA参与构成核糖体D、RNA参与构成经细胞膜11、下列物质中,动物细胞内不具有的是()A、葡萄糖B、糖原C、核糖D、纤维素12、下列关于生物大分子的叙述,正确的是()A、DNA是一切生物遗传信息的载体B、酶是生物体产生的具有催化活性的生物大分子C、RNA 通常只有一条链,它的碱基组成与DNA完全不同D、蛋白质是由多个氨基酸分子通过肽键相互连接而成的高分子化合物13、某22肽被水解成1个4肽,2个3肽,2个6肽,则这些短肽的氨基总数的最小值及肽键总数依次是()A、6、18B、5、18C、5、17D、6、1714、下列关于构成生物体的元素和化合物的叙述中,正确的是()A、C、H、O、N、P、S是组成生物体的主要元素。
高三寒假作业(一)物理考生注意:1.答题前,考生务必将自己的姓名、考生号填写在试卷和答题卡上,并将考生号条形码粘贴在答题卡上的指定位置。
2.回答选择题时,选出每小题答案后,用铅笔把答题卡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,将答案写雀答题卡上。
写在本试卷上无效。
3.考试结束后,将本试卷和答题卡一并交回。
一、选择题:本题共10小题。
每小题5分,共50分。
在每小题给出的四个选项中,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。
全部选对的得5分,选对但不全的得3分,有选错的得0分。
1.如图所示,光滑的四分之一圆弧轨道AB固定在竖直平面内,A点与水平面相切。
穿在轨道上的小球在水平拉力F作用下,缓慢地由A点向B点运动。
设轨道对小球的弹力为N,则在运动过程中,下列说法正确的是A.F增大,N增大B.F减小,N减小C.F增大,N减小D.F减小,N增大2.如图所示,在水平面上固定一点光源,在点光源和右侧墙壁的正中间有一小球自水平面以初速度v0竖直上抛。
已知重力加速度为g,不计空气阻力,则在小球竖直向上运动的过程中,关于小球的影子在竖直墙壁上的运动情况,下列说法正确的是A.影子做初速度为v0、加速度为g的匀减速直线运动B.影子做初速度为2v0、加速度为2g的匀减速直线运动C.影子做初速度为2v0、加速度为g的匀减速直线运动D.影子做初速度为v0、加速度为2g的匀减速直线运动3.如图所示,圆O位于光滑绝缘的水平面上,a、b、c、d为圆O的四等分点,在b、d两点固定等量正电荷。
将一个带负电的粒子从a点由静止释放,当粒子从a点运动到c点的过程中,下列说法正确的是A.粒子经过圆心O时的电势能最大B.粒子经过圆心O时的电场力最大C.粒子从a点运动到c点的过程中,动能先增大再减小D.粒子从a点运动到c点的过程中,加速度一定先减小再增大4.如图所示,恒压源连接三个完全相同的定值电阻R1、R2、R3。
开关S接通后,下列说法错误的是A.流过定值电阻R1的电流是流过定值电阻R3电流的2倍B.定值电阻R1两端的电压是定值电阻R2两端电压的2倍C.定值电阻R1的电功率是定值电阻R2电功率的4倍D.R1中电子定向移动的速率是R3中电子定向移动速率的4倍5.如图所示,质量为m的小球套在光滑的轻杆OA上,轻杆OA可绕竖直轴OO'旋转,且OA与OO'的夹角θ保持不变。
小球在杆上某位置处随杆在水平面内做匀速圆周运动,下列说法正确的是A.小球做匀速圆周运动时,到O点距离不同,小球的角速度相同B.小球做匀速圆周运动时,到O点距离不同,小球受到的弹力相同C.小球做匀速圆周运动时,到O点距离不同,小球的加速度不同D.若轻杆OA旋转的转速缓慢变化,杆对小球的弹力对小球不做功6.随着科技进步,无线充电已悄然走入人们的生活。
如图1所示为某兴趣小组制作的无线充电装置中的受电线圈示意图,已知线圈匝数n=100,电阻r=1Ω,横截面积S=1.5×10-3m2,外接电阻R=3 Ω,线圈处在平行于线圈轴线的匀强磁场中,磁场的磁感应强度随时间变化的关系图象如图2所示。
则下列说法正确的是A.t=0.01s时线圈中的感应电动势为零B.0~0.02 s内通过电阻R的电荷量为3×10-5 CC.0~0.03 s内电阻R上产生的热量为4.05×10-3JD.t=0.025 s时线圈的电功率为4.8×10-3W7.如图所示,地球和行星绕太阳做匀速圆周运动,地球和行星做匀速圆周运动的半径r1、r2之比为1 :4,不计地球和行星之间的相互影响。
下列说法正确的是A.行星绕太阳做圆周运动的周期为8年B.地球和行星的线速度大小之比为1 :2C.由图示位置开始计时,至少再经过87年,地球位于太阳和行星连线之间D.经过相同时间,地球、行星半径扫过的面积之比为1 :28.两个氘核聚变的核反应方程为21H+21H→32He+1n,其中氘核的质量为2.013 u,氦核的质量为3.0150 u,中子的质量为1.0087 u,1u相当于931.5 MeV。
在两个氘核以相等的动能0.35 MeV 进行对心碰撞,并且核能全部转化为机械能的情况下,下列说法正确的是A.该核反应吸收的能量为2.14 MeV B.核反应后氦核与中子的动量等大反向C.核反应后氦核的动能为0.7l MeV D.核反应后中子的动能为0.71 MeV9.如图所示,空间有竖直向下的匀强电场和垂直纸面向里的匀强磁场,电场强度大小为E,磁感应强度大小为B。
竖直面内有一固定的光滑绝缘圆环.圆环半径为R,环上套有一带负电的小球。
现给小球一个大小为v的初速度,小球恰好能沿圆环做匀速圆周运动。
已知重力加速度大小为g,小球对圆环的作用力等于小球重力的k倍,则k值为A.vBE-2vRgB.vBE+2vRgC.EvB-2RgvD.EvB+2Rgv10.如图所示,理想变压器原线圈接在交流电源上,其电动势为u=sin100πt,交流电源电阻为r=10Ω。
定值电阻R0=100Ω与原线圈并联,滑动变阻器R与副线圈串联,滑动变阻器的最大值为R m=30Ω。
已知变压器的原、副线圈的匝数之比为2 :1,电流表和电压表均为理想交流电表。
滑动变阻器的滑动触头由最上端向下缓慢移动到某位置时,开关S分别接a、b,电源输出功率相等,下列说法正确的是A.开关接a时,电流表的示数为2 AB.开关接b时,电压表的示数为110 VC.电源的输出功率相等时,滑动变阻器的阻值可能为R=25 ΩD.副线圈消耗的功率最大时,滑动变阻器的阻值为R=10Ω二、非选择题:本题共6小题,共60分。
11.(6分)某同学家中有一捆截取使用部分的导线,该同学拟采用以下方案测定此导线的长度。
(1)将该捆导线与R0=4.0 Ω的定值电阻串联,用欧姆表测其总电阻约为5.0 Ω;(2)选用内阻约为9.0 kΩ的电压表、内阻约为0.2 Ω的电流表,且尽量精确测量,并要求测量范围尽可能大。
请用笔画线代替导线完成如图1所示电路图的连接;(3)调节滑动变阻器,当电流表的读数为0.50 A时,电压表的读数如图2所示,则电压表的读数为________________V;(4)查看导线上标注的横截面积为2.5 mm2,并查明铜的电阻率为1.7×10-8Ω·m,通过计算可知此导线的长度约为___________m。
(结果保留2位有效数字)12.(9分)某物理课外小组利用如图1所示的装置完成探究小车的加速度与其所受合外力之间的关系实验。
(1)请补充完整下列实验步骤的相关内容。
①用天平测量砝码盘的质量m0;用游标卡尺测量遮光片的宽度d,游标卡尺的示数如图2所示,则其读数为_____________cm;按图l所示安装好实验装置,用米尺测量两光电门之间的距离s;②在砝码盘中放入适量砝码;适当调节长木板的倾角,直到轻推小车,遮光片先后经过光电门A和光电门B的时间相等;③取下细绳和砝码盘,记下__________________;(填写相应物理量及其符号)④让小车从靠近滑轮处由静止释放,用数字毫秒计分别测出遮光片经过光电门A和光电门B所用的时间△t A和△t B;⑤步骤④中,小车从光电门A下滑至光电门B过程合外力为_______________,小车的加速度为________________;(用上述步骤中的物理量表示,重力加速度为g)⑥重新挂上细线和砝码盘,改变长木板的倾角和砝码盘中砝码质量,重复②~⑤步骤。
(2)本实验中,以下操作或要求是为了减小实验误差的是____________。
A.尽量减小两光电门间的距离sB.尽量增大遮光片的宽度dC.调整滑轮,使细线与长木板平行D.砝码和砝码盘的总质量远小于小车的质量13.(10分)如图l所示,空中固定一粗糙的水平直杆,质量为m=0.6 kg的小环静止套在杆上。
现对小环施加一与水平方向的夹角为θ=53°的拉力F,拉力F的大小从零开始逐渐增大,小环的加速度a与拉力F的关系如图2所示。
已知重力加速度g=10m/s2,sin53°=0.8,cos53°=0.6,求:(1)小环加速度a0的数值;(2)小环和直杆间的动摩擦因数。
14.(10分)如图1所示,在倾角为θ=30°的光滑斜面上放置着矩形金属线框MNQP,其中MN长为2 m,PM长为1m,金属线框的质量为1kg,其电阻恒为4Ω。
垂直于斜面方向的匀强磁场的磁感应强度B随时间t变化的规律如图2所示(规定垂直斜面向上为正方向)。
t=0时刻MN边距离斜面底端的距离为10 m,此时将线框由静止释放。
已知重力加速度g=10 m/s2,求:(1)t=2s时金属线框在斜面上的加速度;(2)金属线框MN边刚到达斜面底端时,线框产生的热量。
15.(12分)如图所示,在平面直角坐标系xOy的第一、三象限分别存在匀强电场E1、E2,电场E1的场强大小为43×103V/m,方向与x轴负方向成60°斜向下;电场E2的场强大小未知,方向与x轴正方向成30°角斜向上。
比荷为1.0×105C/kg的带正电粒子a从第三象限的P点由静止释放,粒子沿PO做匀加速直线运动,到达O点的速度为104m/s,不计粒子的重力。
(1)求P、O两点间的电势差;(2)粒子a进入电场E1时,在电场E1某位置由静止释放另外一个完全相同的带电粒子b,使两粒子在离开电场前相遇。
若相遇时所需时间最长,求在电场E1中由静止释放的带电粒子b的初始位置坐标。
16.(13分)如图1所示,下表面光滑的长木板B静止放在水平面上,质量为m3=1.0 kg的物块C 放在长木板的最右端,质量为m1=0.5 kg的物块A从距长木板B左侧s0=9.5 m处以某一初速度向长木板运动。
一段时间后物块A与长木板B发生弹性碰撞(碰撞时间极短),以长木板B开始运动作为计时起点,长木板B和物块C运动的v-t图象如图2所示。
已知物块A与地面间的动摩擦因数为μ1=0.1,物块C与长木板B间的动摩擦因数为μ2=0.2,重力加速度g=10 m /s2,求:(1)长木板B的质量m2;(2)物块A的初速度v0;(3)A静止时,系统A、B、C由于摩擦产生的热量Q。
17.(17分)如图所示,在某种介质中、位于原点的波源S,t1=0时刻开始向上做振幅为4cm的简谐振动,形成沿x轴正、负向传播的两列简谐波,t2=11s时,x1=-4m处的质点P刚好完成4全振动,x3=9m处的质点Q刚好完成3全振动。
求:(1)简谐波的速度大小。
(2)x2=3m处的质点M的位移和路程。