【天津市2014届高三寒假作业(5)英语 Word版含答案

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天津市2014届高三上学期期末五校联考政治 Word版含答案

2013-2014届学年度第一学期期末五校联考高三政治试卷第I卷（共50分）注意事项：本卷共25题，每题2分，共50分。

在每题列出的四个选项中，只有一项是最符合题目要求的。

1.2013年夏天，我国多地持续高温让人难熬，但火辣辣的太阳却烤出了一个旺销的空调市场。

(S1为高温前曲线,S2为高温后曲线)。

不考虑其它因素,下图能正确反映这一经济现象的是A.①③B.①④C.②③D.②④2.中央出台“八项规定”、“六项禁令”，号召厉行节约、反对浪费。

部分高端餐饮企业营业额大幅下降，与此同时大众化餐饮发展势头强劲。

这表明①靠奢侈浪费形成的畸形消费是不可持续的②紧缩消费符合我同现阶段的经济发展状况③餐饮企业应主动转型，调整经营策略④消费对生产的反作用A.①②④B.①②③C.②③④D.①③④3.2013年高校毕业生达到699万，比去年又有新的增加，就业压力进一步加大。

下列对大学生提出的就业建议，你认为最恰当的是A.转变就业观念，积极适应市场需求B.提高自身职业技能，等待国家安排C.根据个人喜好、特长选择相关职业D.坚持多种方式就业，选择体面职业4.经济生活是复杂的，同一现象或措施，有时会产生截然不同的两种效果。

下列表述中，正确体现经济生活中“双刃剑”现象的是①经济全球化推动社会生产力发展，同时也加剧了世界经济发展不平衡②人民币升值有利于我国吸引外资，同时也导致出口贸易不利③纸币发行过量过多易引起通货膨胀，纸币发行不足会导致通货紧缩④提高最低工资标准有利于增加劳动者收入，同时也会增加企业经营成本A.①②B.①④C.②③D.③④5.初次分配和再分配都要兼顾效率和公平，再分配更加注重公平，从而实现发展成果由人民共享。

下列举措中体现再分配更加注重公平的是①某市企业最低工资标准由每月1260元调整为1400元②某公司建立健全根据经营管理绩效、风险和责任确定薪酬的制度③某地民政局免费为60周岁以上的低保对象购买意外伤害保险④某省给予社会办托老所的床位每张每月300元财政补贴A.①②B.①③C.②④D.③④6.2013年下半年，我国综合运用各种手段对国民经济进行宏观调控，促进国民经济持续健康发展。

天津市2014届高三上学期期末五校联考地理 Word版含答案

2013-2014学年度第一学期期末五校联考高三地理试卷第Ι卷（选择题）本卷共34小题，每小题1.5分，共51分。

在每题给出的四个选项中，只有一项是符合题目要求的。

2009年新疆番茄酱总产达到l01.83万吨，成为继美国、意大利之后的世界第三大番茄酱产区，第一大出口国。

读世界主要番茄酱生产国原料品质情况和2010年价格比较表，1．番茄酱生产国中，番茄生产最主要的共同优势条件是A．劳动力丰富B．光照充足，昼夜温差大C．降水丰沛，雨热同期D．土壤肥沃2．中国新疆番茄酱的竞争能力高，是因为A．科技投入大B．接近中亚市场C．质量好、价格低D．机械化程度高3．图1中123456各点的位置，对应在下面的等高线地形图上正确的是A．①③⑤B．②④⑤C．③④⑥D．①②⑥图2为30°N附近沿海某地等高线地形图和地层示意图，R河流正值汛期。

读图2回答4～6题。

4．Q 地海拔可能为A ．400米B ．600米C ．800米D ．1000米5．此季节，该地区A ．受西风带控制B ．河流自东向西注入海洋C ．水循环较活跃D ．山麓常绿硬叶林枝繁叶茂 6．关于图示地区，叙述正确的是A ．向斜成谷，背斜成山B ．①处比②处更可能找到石油C ．②处比①处建地下隧道更合理D ．图示地貌由内力作用形成图3为2000～2008年我国东部某市人口增长率变动图，读图3回答7～8题。

7．该时段内，该市人口总量最大的年份是A ．2003年B ．2005年C ．2007年D ．2008年 8． 2004年后人口机械增长率开始明显下降的原因是该市:A ．人口自然增长率提高B ．出现逆城市化C ．城市居住用地紧张D ．产业转移和升级网络鲜花速递是指送花人利用网络订购鲜花，连锁店直接把花送到收花人手中，是鲜花销售的新形式。

根据材料完成9～10题。

9．网络鲜花快递，将使鲜花种植业A ．增加生产成本B ．扩大销售市场C ．改变生产方式D ．改变种植制度 10．与传统的鲜花销售方式相比，网络鲜花速递图2图3A．促进了技术革新和产品升级换代B．使生产企业不必致力于市场开拓C．减少了营销环节，销售成本降低D．增加了商业网点布局的空间限制图4中，A为南疆公路旁的草方格沙障，B为行走在沙丘上的驼队，C为兰州郊区种植白兰瓜的砂田（含砂砾层）。

高三英语寒假作业：(四)(Word版含答案)

高三英语寒假作业（四）第一部分阅读理解（共两节，满分40分）第一节(共15小题；每小题2分，满分30分)阅读下列列短文，从每题所给的四个选项(A、B、C和D)中,选出最佳选项。

并在答题卡上将该选项涂黑．AOne of my wonderful memories is about a Christmas gift. Unlike other gifts, it came without wrap(包装).On September 11th, 1958, Mum gave birth to Richard. After she brought him home from hospital, she put him in my lap, saying. "I promised you a gift, and here it is." What an honor! I turned four a month earlier and none of my friends had such a baby doll of their own. I played with it day and night. I sang to it. I told it stories. I told it over and over how much I loved it!One morning, however, I found its bed empty. My doll was gone! I cried for it. Mum wept and told me that the poor little thing had been sent to a hospital. It had a fever. For several days, I heard Mum and Dad whispering such words as "hopeless", "pitiful", and "dying", which sounded ominous.Christmas was ing. "Don’t expect any presents this year." Dad said, pointing at the socks I hung in the living room. "If your baby brother lives, that'll be Christmas enough." As he spoke, his eyes were filled with tears. I'd never seen him cry before.The phone rang early on Christmas morning. Dad jumped out of bed to answer it. From my bedroom I heard him say. "What? He's all right?" He hung up and shouted upstairs. ―The hospital said we can bring Richard home!""Thank God.'" I heard Mum cry.From the upstairs window, I watched my parents rush out to the car. I had never seen them happy. And I was also full of joy. What a wonderful day! My baby doll would be home. I ran downstairs. My sacks still hung there flat. But I knew they were not empty; they were filled with love!1. What happened to the author on September 11 1958?A. He got a baby brotherB. He got a Christmas giftC. He became four years oldD. He received a doll2.What does the underlined word ―ominous‖ in Paragraph 3 probably mean？A. Impossible.B. BoringC. DifficultD. Fearful3. Which word can best describe the feeling of the father when Christmas was ing?A. Excitement.B. Happiness.C. Sadness.D. Disappointment.BAmerican researchers found females are the more talkative sex because of a special ―language protein‖ in the brain.The study, conducted by neuroscientists(神经学家) and psychologist from the University of Maryland, concluded that women talked more because they had more of the Foxp2 protein. The research, published in the Journal of Neuroscience, found that higher levels were found among humans that were women but in rats that were males. Their findings came after it was previously claimed that ladies speak about 20,000 words a day –over 13,000 more than men. ―This study is one of the first to report a sex difference in the expression of a language-associated protein in humans or animals,‖ said Prof Margaret McCarthy, who led the study. In their study, the researchers attempted to determine what might make male rats more vocal than their female friends.They separated four-day-old rats from their mothers and then counted the number of times they cried out in the ―ultrasonic（超声波的）range‖, the frequencies higher than humans can hear, over five minutes. While both sexes called out hundreds of cries, the males called out twice as often, they found. But when the pups were returned to their mother’s cage, she fussed over her sonsfirst. Tests conducted on the parts of the brain known to be associated with vocal calls showed the male pups have up to twice as much Foxp2 protein as the females. The researchers then increased the production in the brains of female pups and reduced it in males. This led to the female rats crying out more often and their mothers showing more interest to them. In contrast, males became less ―talkative‖.The researchers then tested samples from ten children, aged between three and five, which showed that females had up to 30 per cent more of the Foxp2 protein than males, in a brain area key to language in humans.―Based on our observations, we assume higher levels of Foxp2 in girls and higher levels of Foxp2 in male rats is an indication that Foxp2 protein levels are associated with the more communicative sex,‖ said Prof McCarthy.―Our results imply Foxp2 as a component (成分)of the neurobiological basis of sex differences in vocal communication in mammals.‖1. From the second paragraph, we can learn that ________.A. women always speak more words than menB. men and male rats have low levels of language proteinC. women and male rats have similar levels of Foxp2D. McCarthy isn’t the first to find females more talkative2. The underlined phrase ―fussed over‖ in the third paragraph probably means______.A. paid attention toB. related toC. put pressureon D. counted on3. The researchers carried out the experiments on rats in order to _______.A. test which part of the brain is key to language in rats and humansB. prove the levels of Foxp2 protein in humans and rats are differentC. determine the reason why female rats are more talkative than male ratsD. discover the association between Foxp2 protein and vocal communication4. Which of the following can be the best title for the passage?A. Tests on humans and ratsB. Why women are the talkative sexC. Sex differences in Foxp2 proteinD. Foxp2 proteinCDear Reader,I receive many letters from children and can’t answer them all—there wouldn’t be time enough in a day. That is why I am sending you this printed reply to your letter. I’ll try to answer some of the questions that are commonly asked.Where did I get the idea for Stuart Little and for Charlotte’s Web? Well, many years ago I went to bed one night in a railway sleeping car, and during the night I dreamed about a tiny boy who acted rather like a mouse. That’s how the story of Stuart Little got started.As for C harlotte’s Web, I like animals and my barn（谷仓）is a very pleasant place to be, at all hours. One day when I was on my way to feed the pig, I began feeling sorry for the pig because, like most pigs, he was doomed to die. This made me sad. So I started thinki ng of ways to save a pig’s life. I had been watching a big grey spider at her work and was impressed by how clever she was at weaving. Gradually I worked the spider into the story that you know, a story of friendship and salvation（拯救）on a farm. Three years after I started writing it, it was published. (I am not a fast worker, as you can see.)Sometimes I’m asked how old I was when I started to write, and what made me want to write. I started early—as soon as I could spell. In fact, I can’t remember any time in my life when I wasn’t busy writing. I don’t know what caused me to do it, or why I enjoyed it, but I think children often find pleasure and satisfaction in trying to set their thoughts down on paper, either in words or in pictures. I was no good at drawing, so I used words instead. As I grew older, I found that writing can be a way of earning a living.Some of my readers want me to visit their school. Some want me to send a picture, or an autograph, or a book. And some ask questions about my family and my animals and my pets. Much as I’d like to, I can’t go visiting. I can’t send books, either—you can find them in a bookstore or a library. Many children assume that a writer owns (or even makes) his own books. This is not true—books are made by the publis her. If a writer wants a copy, he must buy it. That’s why I can’t send books. And I do not send signatures—I leave that to the movie stars. I live most of the year in the country, in New England. From our windows we can look out at the sea and the mountains. I live near my married son and three grandchildren.Are my stories true, you ask? No, they are imaginary tales, containing fantastic characters and events. In real life, a family doesn’t have a child who looks like amouse; in real life, a spider doesn’t spin words in her web. In real life, a swan doesn’t blow a trumpet. But real life is only one kind of life—there is also the life of the imagination. And although my stories are imaginary, I like to think that there is some truth in them, too—truth about the way people and animals feel and think and act.Yours sincerely：E.B. White 1．The author wrote the letter because _________.A．he is not a fast workerB．he was invited to answer the questionsC．he didn’t have enough time to answer all the lettersD．he felt sorry for not being able to send books to his readers2．What pr obably caused the writer to get interested in writing children’s book?A．Writing can be a way to earn his living. B．The fact that he was not good at drawing.C．His mother influence on his childhood. D．The instinct of children. 3．From Para.5, we can learn that ＿＿＿＿.A．many famous people like to visit schoolsB．movie stars will send autographs to readersC．many people think authors have copies of their own booksD．the author lives with his married son and three grandchildren4．In the last paragraph, the author is trying to tell us ____ .A．we only have one kind of lifeB．there is no truth in imaginary talesC．imaginary tales are based on our true lifeD．fantastic characters and events only exist in imaginary talesDA fellow speaker from California named Geri flew to Japan, in her favorite jeans and a casual jacket, to give her first speech. Fourteen hours later, four perfectly dressed Japanese gentlemen greeted her at Narita Airport. Smiling and bowing low, they handed her their business cards. With her bag in one hand, Geri took their cards with the other. She thanked them, glanced briefly at the cards, and put them into her jeans pocket quickly.When the five of them arrived at the hotel, they invited Geri to tea in the lobby (大厅). While sipping tea, the gentlemen presented her with a small gift which she eagerly opened. She was thrilled with the gift and shouted excitedly, ―Oh, it’s beautiful!‖At this point, the four Japanese gentlemen stood up and, bowing only very slightly, said ―Sayonara‖ and left immediately. Poor Geri was left astonished. What did she do wrong?Everything! Her jeans were the first gaffe. Even if you’re coming off a bicycle in Japan, you do not meet clients (客人) casually dressed. The second mistake was Geri’s handling of their business cards rudely. In Japan, the business card is one of the most important communicative tools. It is always presented and accepted respectfully with both hands. However, Geri put their cards away much too quickly. In Japan, people use business cards as a conversation starter. You chat about each other’s cards and work and do not put theirs away until they gently and respectfully place yours in safekeeping. Putting it carelessly into her jeans pocket was the ultimate disrespect.Then, the fourth horror of horrors was that Geri should not have opened the gift in front of her clients. In a land where saving face is critical, it would be embarrassing to discover the gift they gave was not as nice as the one they received. What is worse, Geri hadn’t even given them a gift!1. In the four Japanese gentlemen’s eyes, Geri took their cards _____________.A. excitedlyB. embarrassinglyC. politelyD. disrespectfully2. Why did the four Japanese gentlemen leave Geri suddenly?A. Because they couldn’t bear Geri’s behavior any longer.B. Because they had finished the task.C. Because Geri had something more important to do.D. Because Geri felt embarrassed.3. What does the underlined word ―gaffe‖ in Paragraph 3 probably mean?A. ignoranceB. sadnessC. mistakeD. carelessness4. The third mistake Geri made was that she _____________.A. used her own card as a conversation starterB. kept her clients’ cards in a wrong placeC. took her clients’ cards with one handD. met her clients in jeans第二节（共5小题：每小题2分，满分10分）【题文】根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。

高三英语寒假作业阅读理解

为⼤家整理的⾼三英语寒假作业阅读理解⽂章,供⼤家学习参考！更多最新信息请点击ACompassion is a desire within us to help others. With effort, we can translate compassion into actions. An experience last weekend showed me this is true. I work part-time in a supermarket across from a building for the elderly. These old people are out main customers, and it’s not hard to lose patience over their slowness. But last Sunday, one aged gentleman appeared to teach me a valuable lesson. This untidy man walked up to my register(收款机)with a box of biscuits. He said he was out of cash (现⾦), had just moved into his room, and had nothing in his cupboards. He asked if we could let him have the food on trust. He promised to repay me the next day.I couldn’t help staring at him. I wondered what kind of person he had been ten or twenty years before, and what he would be like if luck had gone his way. I had a hurt in my heart for this kind of human soul, all alone in the world. I told him that I was sorry, but store rules didn’t allow me to do so. I felt stupid and unkind saying this, but I valued my job.Just then, another man, standing behind the first, spoke up. If anything, he looked more pitiable. “Change it to me, ” was all he said.What I had been feeling was pity. Pity is soft and safe and easy. Compassion, on the other hand, is caring in action. I thanked the second man but told him that was not allowed either. Then I reached into my pocket and paid for the biscuits myself. I reached into my pocket because these two men had reached into my heart and taught me compassion.56. The aged gentleman who wanted to buy the biscuits_________ .A.hoped to have the food first and pay laterB.promised to obey the store rulesC.forgot to take any money with himD.could not afford anything more expensive57. Which of the following best describes the old gentleman?A.kind and luckyB.friendly and helpfulC.poor and lonelyD.hurt and disappointed58. The writer acted upon the store rules because_________ .A.he felt no pity for the old gentlemanB.he considered the old man dishonestC.he expected someone else to pay for the old manD.he wanted to keep his present job59. What does the writer learn from his experience?A.Wealth is more important than anything elseB.Experience is better gained through practiceC.Obeying the rules means more than compassion.D.Helping others is easier said than doneBBlamelessI was a freshman in college when I met the Whites. They were completely different from my own family, yet I felt at home with them immediately. Jane White and I became friends at school, and her family welcomed me like a long-lost cousin.In my family, it was always important to place blame when anything bad happened.“Who did this? ”my mother would scream about a dirty kitchen.“This is all your fault, Katharine, ”my father would insist when the cat got out or the dishwasher broke.From the time we were little, my sister, brothers and I told on each other. We set a place for blame at the dinner table.But the Whites didn’t worry about who had done what. They picked up the pieces and moved on with their lives. The beauty of this was driven home to me the summer Jane died.In July, the White sisters and I decided to take a car trip from their home in Florida to New York. The two older sisters, Sarah and Jane, were college students, and the youngest, Amy, had recently turned sixteen. Proud of having a new driver’s license(驾照)，Amy was excited about practicing her driving on the trip. She showed off her license to everyone she met. The big sisters shared the driving of Sarah’s new car during the first part of the trip, but when they reached less crowded areas, they let Amy take over. Somewhere in South Carolina, we pulled off the highway to eat. After lunch, Amy got behind the wheel. She came to a crossroads with a stop sign. Whether she was nervous or just didn’t see the sign no one would ever know, but Amy continued into the crossroads without stopping. The driver of a large truck, unable to stop in time, ran into our car.Jane was killed immediately.I was slightly injured. The most difficult thing that I’ve ever done was to call the Whites to tell them about the accident and that Jane had died. Painful as it was for me to lose a good friend, I knew that it was far worse for them to lose a child.When Mr. and Mrs. White arrived at the hospital, they found their two daughters sharing a room. Sarah had a few cuts on the head; Amy’s leg was broken. They hugged(拥抱)us all and cried tears of sadness and of joy at seeing their daughters. They wiped away the girls’ tears and made a few jokes at Amy as she learned to use her crutches(拐杖).To both of their daughters, and especially to Amy, over and over they simply said, “We’re so glad that you’re alive. ”I was astonished. No blame. No accusations.Later, I asked the Whites why they never talked about the fact that Amy was driving and had run a stop sign.Mrs. White said, “Jane’s gone, and we miss her terribly. Nothing we say or do will ever bring her back. But Amy has her whole life ahead of her. How can she lead a full and happy life if she feels we blame her for her sister’s death? ”They were right. Amy graduated from the University of California and got married several years ago. She works as a teacher of learning-disabled students. She’s also a mother of two little girls of her own, the oldest named Jane.60. How did the accident occur?A. Amy didn’t know what to do when she saw the stop sign.B. Amy didn’t slow down so their car ran into a truck.C. Amy didn’t stop at a crossroads and a truck hit their car.D. Amy didn’t get off the highway at a crossroads.61. The Whites did not blame Amy for Jane’s death because _____.A. Amy was badly injured herself and they didn’t want to add to her painB. they didn’t want to blame their children in front of othersC. they didn’t want Amy to feel ashamed and sorry for the rest of her lifeD. Amy was their youngest daughter and they loved her best62. From the passage we can learn that _____.A. Amy has lived quite a normal lifeB. Amy has never recovered from the shockC. Amy changed her job after the accidentD. Amy lost her memory after the accidentCA rainforest is an area covered by tall trees with the total high rainfall spreading quite equally through the year and the temperature rarely dipping below 16℃.Rainforests have a great effect on the world environment because they can take in heat from the sun and adjust the climate.Without the forest cover，these areas would reflect more heat into the atmosphere，warming the rest of the world.Losing the rainforests may also influence wind and rainfall patterns，potentially causing certain natural disasters all over the world.In the past hundred years，humans have begun destroying rainforests in search of three major resources(资源)：land for crops，wood for paper and other products，land for raising farm animals.This action affects the environment as a whole.For example，a lot of carbon dioxide(⼆氧化碳)in the air comes from burning the rainforests.People obviously have a need for the resources we gain from cutting trees but we will suffer much more than we will benefit.There are two main reasons for this.Firstly，when people cut down trees，generally they can only use the land for a year or two.Secondly，cutting large sections of rainforests may provide a good supply of wood right now，but in the long run it actually reduces the world's wood supply.Rainforests are often called the world's drug store.More than 25% of the medicines we use today come from plants in rainforests.However，fewer than 1%of rainforest plants have been examined for their medical value.It is extremely likely that our best chance to cure diseases lies somewhere in the world's shrinking rainforests.63.Rainforests can help to adjust the climate because they ______.A.reflect more heat into the atmosphereB.reduce the effect of heat from the sun on the earthC.bring about high rainfall throughout the worldD.rarely cause the temperature to drop lower than 16℃64.What does the word“this”underlined in the third paragraph refer to?A.Humans have begun destroying rainforests.B.People have a strong desire for resources.C.We will lose much more than we can gain.D.Much carbon dioxide comes from burning rainforests.65.It can be inferred from the text that ______.A.we can get enough resources without rainforestsB.we will grow fewer kinds of crops in the gained landC.the level of annual rainfall affects wind patternsD.there is great medicine potential in rainforests66.What might be the best title for the text?A.Rainforests and the EnvironmentB.How to Save RainforestsC.How to Protect NatureD.Rainforests and Medical DevelopmentDThe Diet Zone: A Dangerous PlaceDiet Coke, diet Pepsi, diet pills, no-fat diet, vegetable diet… We are surrounded by the word “diet” everywhere we look and listen. We have so easily been attracted by the promise and potential of diet products that we have stopped thinking about what diet products are doing to us. We are paying for products that harm us psychologically and physically(⾝体上).Diet products significantly weaken us psychologically. On one level, we are not allowing our brain to admit that our weight problems lie not in actually losing the weight, but in controlling the consumption of fatty, high-calorie, unhealthy foods. Diet products allow us to jump over the thinking stage and go straight for the scale(秤)instead. All we have to do is to swallow or recognize the word “diet” in food labels.On another level, diet products have greater psychological effects. Every time we have a zero-calorie drink, we are telling ourselves without our awareness that we don’t have to work to get results. Diet products make people believe that gain comes without pain, and that life can be without resistance and struggle.The danger of diet products lies not only in the psychological effects they have on us, but also in the physical harm that they cause. Diet foods can indirectly harm our bodies because consuming them instead of healthy foods means we are preventing our bodies from having basic nutrients(营养成分). Diet foods and diet pills c o n t a i n z e r o c a l o r i e o n l y b ec a u s e t h ed ie t i n d u s t r y h a s c r e a t e d c h e m i c a l s t o p r o d u c e t h e s e w o n d e r p r o d u c t s . D i e t p r od u c t s m a y n o t be n u t r i t i o n a l , a n d t h e c h e m i c a l t h a t g o i n t o d i e t p r o d u c t s a r e p o t e n t i a l l y d a n g e r o u s . / p > p b d sf i d = " 1 4 1 " > N o w t h a t w e a r e a w a r e o f t h e e f f e c t s t h a t d i e t p r o d u c t s h a v e o n u s , i t i s t i m e t o s e r i o u s l y t h i n k a b o u t b u y i ng th e m . L o si n g w e i g h t l i e s i n t h e p o w e r o f m i n d s , n o t i n t h e p o w e r o f c h e m i c a l s . O n c e w e r e a l i z e t h i s , w e w i l l b e m u c h b e t t e r a b l e t o r e s i s t d i e t p r o d u c t s , a n d t h e r e f o r e p r e v e n t t h e p s y c h o l o g i c a l h a r m t h a t c o m e s f r o m u s i n g t h e m . / p > p b d s f i d = " 1 4 2 " > 6 7 . F r o m P a r a g r a p h 1 , w e l e a r n t h a t _ _ _ _ _ _ _ _ . / p > p b d s f i d = " 1 4 3 " > A . d i e t p r o d u c t s f a i l t o b r i n g o u t p e o p l e s p o t e n t i a l / p > p b d s f i d = " 1 4 4 " > B . p e o p l e a r e f e d u p w i t h d i e t p r o d u c t s / p > p b d s f i d = " 1 4 5 " > C . p e o p l e h a v e d i f f i c u l t y i n c h o o s i n g d i e t p r o d u c t s / p > p b d s f i d = " 1 4 6 " > D . d i e t p r o d u c t s a r e m i s l e a d i n g p e o p l e / p > p b d s f i d = " 1 4 7 " > 6 8 . O n e p s y c h o l o g i c a l e f f e c t o f d i e t p r o d u c t s i s t h a t p e o p l e t e n d t o _ _ _ _ _ . / p > p b d s f i d = " 1 4 8 " > A . h e s i t a t e b e f o r e t h e y e nj o y d i e t f o o d s / p > p b d s f i d = " 1 4 9 " > B . p a y a t t e n t i o n t o t h e i r o w n e a t i n g h a b i t s / p > p b d s f i d = " 1 5 0 " > C . w a t c h t h e i r w e i g h t r a t h e r t h a n t h e i r d i e t / p > p b d s f i d = " 1 5 1 " > D . t r y o u t a v a r i e t y o f d i e t f o o d s / p > p b d s f i d = " 1 5 2 " > 6 9 . I n P a r a g r a p h 3 , g a i n c o m e s w i t h o u t p a i n p r o b a b l y m e a n s _ _ _ _ _ _ . / p > p b d s f i d = " 1 5 3 " > A . l o s i n g w e i g h t i s e f f o r t l e s s / p > p b d s f i d = " 1 5 4 " > B . d i e t p r o d u c t s b r i n g n o p a i n / p > p b d s f i d = " 1 5 5 " > C . i t c o s t s a l o t t o l o s e w e i g h t / p > p b d s f i d = " 1 5 6 " > D . d i e t p r o d u c t s a r e f r e e f r o m c a l o r i e s / p > p b d s f i d = " 1 5 7 " > 7 0 . D i e t p r o d u c t s i n d i r e c t l y h a r m p e o p l e p h y s i c a l l y b e c a u s e s u c h p r o d u c t s _ _ _ _ _ _ . / p > p b d s f i d = " 1 5 8 " > A . l a ck b a s i c n u t r i e n t s B . a r e o v e r - c o n s u m e d / p > p b d s f i d = " 1 5 9 " > C . a r e s h o r t o f c h e m i c al s D . p r o v i d e t o om u c h en e r g y / p > / d i v > d i v i d = " f lo a t _ b t n " c l a s s = " " b d s f i d = " 1 6 0 " > b u t t o n c l a s s = " f l o a t _ b t n l e f t _ b t n " i d = " c op y _ b u t t o n " d a t a - c l i p b o a r d - a c t i o n = " c o p y " d a t a - c l i p b o a r d - t a r g e t = " # c o n t e n t - t x t " o n c l i c k = " d o _ c o p y ( ) ; " b d s f i d = " 1 6 1 " > e m c l a s s = " i c o n " b d s f i d = " 1 6 2 " >。

高三英语寒假作业：(九)(Word版含答案)

高三英语寒假作业（九）第一部分阅读理解（共两节，满分40分）第一节(共15小题；每小题2分，满分30分)阅读下列列短文，从每题所给的四个选项(A、B、C和D)中,选出最佳选项。

并在答题卡上将该选项涂黑．AA newly-published study has shown that loneliness can spread from one person to another, like a disease. Researchers used information from the Framingham Study, which began in 1948. The Framingham Study gathers information about physical and mental health, personal behavior and diet. At first, the study involved about 5,000 people in the American state of Massachusetts. Now, more than 12,000 individuals are taking part.Information from the Framingham Study showed earlier that happiness can spread from person to person. So can behaviors like littering and the ability to stop smoking.University of Chicago psychologist John Cacioppo led the recent study. He and other researchers attempted to show how often people felt lonely. They found that the feeling of loneliness spread through social groups.Having a social connection with a lonely person increased the chances that another individual would feel lonely. In fact, a friend of a lonely person was 52% more likely to develop feelings of loneliness. A friend of that person was 25% more likely. The researchers say this shows that a person could indir ectly be affected by someone’s loneliness.The effect was strongest among friends. Neighbors were the second most affected group. The effect was weaker on husbands and wives, and brothers and sisters. The researchers also found that loneliness spread more easily among women than men.The New York Times newspaper reports that, on average, people experience feelings of loneliness about 48 days a year. It also found that every additional friend can decrease loneliness by about five percent, or two and a half fewer lonely days.Loneliness has been linked to health problems like depression and sleeping difficulties. The researchers believe that knowing the causes of loneliness could help in reducing it.The study suggests that people can take steps to stop the spread of loneliness. They can do this by helping individuals they know who may be experiencing loneliness. The result can be helpful to the whole social group.1. What is TRUE about the Framingham Study?A. It was only conducted in 1948.B. It involves more than 12,000 participants.C. It was led by John Cacioppo.D. It showed that any behavior could spread.2. Which statement about the spread of loneliness is true?A. The spreading effect was the second strongest among friends.B. No spreading effect was found on husbands and wives.C. Women are more likely to be affected than men.D. Brothers are more easily affected than neighbors.3. What is the main idea of the passage?A. Actions should be taken to help lonely people.B. People feel lonely for many reasons.C. Ways to fight against loneliness.D. Lonely people can affect others.BEveryone would like to be a millionaire , a person with a lot of money, but can you imagine having over $30 million and only being 20 years old? Britney Spears from Kentwood, a small town in Louisiana, is only 20 years old. She is a world famous film star with not only $30 million but also a $2 million house in LA. At her young age, she can look after her family financially (经济上) all her life. This year is a big year for Britney. She is now on a 31-day tour of the US and every concert is a sell-out. That means she plays in front of a crowd of around 18,000 people every time. It’s a tiring schedule but brings her a lot. When touring, she goes to bed around 1 a.m. and then has a lie-in until 1 p.m. the next day. Her philosophy (人生观) is to take care of the body and relax but always make sure you work hard and have fun.Spears is not pleased with only touring and selling nearly 40 million records so she decided to step into the movie business and try a bit of acting. She made an appearance in “Austin Power 3”this year and she is filming a teenage light play that will come out in March 2003. In this movie, she has a starring role.For Britney, acting is another way to express herself and she is enthusiastic (热心的) about it all. If her movies are successful, her money in the bank is sure to grow by another few million dollars but she does it for the love, not the money, as she herselftells the reporters .1. We can infer (推断) from the text that most millionaires are __________.A. older than 20B. around 20C. in their 30sD. in their 40s2. The underlined word “you”in the first paragraph refers to __________.A. a person in generalB. a special personC. Britney SpearsD. a person interested in money3. Which of the following is not true according to the text?A. Though young, Britney can support her family now.B. While touring, Britney sleeps about 12 hours a day.C. The teenage comedy movie was based on Britney’s own story.D. Britney will be even richer with her movies successful.4. According to Britney Spears, she works __________.A. to be a great actressB. for the enjoymentC. for moneyD. to be more famousCBecause I am extremely vulnerable to both slick advertising and peer pressure, I’ve been thinking about getting an iPad. But here’s the problem: I’m cheap, and the iPad’s not. If I’m going to fork over at least $499 for a new device, I want to try it out and make sure it’s not just a larger, shinier version of my iPhone. But if I went to my local Apple Store, I’d get to spend only a few minutes testin g out the machine. I wanted more time than that, so I rented one for $15 a day from a guy on SnapGoods.The Internet start-up in Brooklyn runs on simple reasoning: there are people who want to borrow stuff –camping equipment, food processors, robot vacuums, etc. –and there are people who have stuff they want to lend. SnapGoods helps these two groups connect over the Web. SnapGoods is one of many sites that have sprung up to facilitate offline sharing. Some sites have a narrow, obvious focus (like ) while others are more obscure (Neighborhood Fruit helpspeople share what’s growing in their yards or find fruit trees on public land). But regardless of whether the sharing is free or involves a fee, these transactions often come with a stick-it-to-the-man attitude. ―Borrow these things from your neighbors,‖ reads one earnest request on , ―The owner-ship has SAILED!‖All of these sites are encouraging something academics call collaborative consumption – in other words, peer-to-peer sharing or renting. Renting something you don’t need to use very often makes a lot more sense than buying it and letting it collect dust in your garage. There’s a green aspect as well, since sharing helps cut down on overall use of resources. But one of collaborative consumption’s most surprising benefits turns out to be social. In an era when families are scattered around the country and we may not know the people down the street from us, sharing things –even with strangers we’ve just met online –allows us to make meaningful connections.―This isn’t just about saving the environment or saving a dollar,‖ says SnapGoods CEO Ron Williams, who came up with the idea after renting a stranger’s motorcycle via Craigslist. ―This is about saving yourself by makin g informed consumer decisions.‖I’m not sure if I got a thrill when I borrowed Goodwin’s iPad, but it did feel good to make a connection. In the end, though, I decided not to purchase an iPad. Sorry, Steve Jobs. I’m just not that into owning things anymore.1. Which of the following is NOT a reason for the author’s renting an iPad instead of buying one?A. The iPad is expensive and the author wants to make sure an iPad is worthy.B. He has already got an iPhone and expects to test the better quality of iPad.C. The local Apple Store only offters limited time to test out the machine.D. The iPad is so expensive that he cannot afford it.2. SnapGoods is a website which________.A. facilitates online sharingB. helps people borrow things from their neighborsC. connects borrowers and lenders for stuff sharingD. sells iPad online3. What is Ron Williams’ attitude towards collaborative consumption?A. FavorableB. CriticalC. IndifferentD. Not known4. Which of the following can best serve as the title of the passage?A. SnapGoods: a Good Place For ShoppingB. Borrow, Don’t Buy: Websites That Let Strangers ShareC. Why Do I RentD. Tips For Selling Things On the InternetDHigh school dropouts earn an average of $9,000 less per year than graduates. Now a new study denies a common belief why they quit. It’s much more basic than flunking out(不及格).Society tends to think of high school dropouts as kids who just can’t make it. They are lazy, and perhaps not too bright. So researchers were surprised when they asked more than 450 kids who quit school about why they left.―The vast majority actually had passing grades and they were confident that they could have graduated from high school.‖John Bridgeland, the executive researcher said. About 1 million teens leave school each year. Only about half of African-American and Hispanic(美籍西班牙的)students will receive a diploma, and actually all dropouts come to regret their decision. So, if failing grades don’t explain why these kids quit, what does? Again, John Bridgeland: ―The most dependable finding was that they were bored.‖―They found classes uninteresting；they weren’t inspired or motivated. They didn’t see any direct connection between what they were learning in the classroom to their own lives, or to their career aspirations.‖The study found that most teens who do drop out wait until they turn sixteen, which happens to be the age at which most states allow students to quit. In the US, only one state, New Mexico, has a law requiring teenagers to stay in high school until they graduate. Only four states: California, Tennessee, Texas and Utah, plus theDistrict of Columbia, require school attendance until age 18, no exceptions. Jeffrey Garin, another researcher, says raising the compulsory attendance age may be one way to keep more kids in school.―As these dropouts look back, they realize they’ve made a mistake. And anything that sort of gives these people an extra push to stick it out and see it through to the end, is probably help ful measure.‖New Hampshire may be the next state to raise its school attendance age to 18.But critics say that forcing the students unwilling to continue their studies to stay in school misses the point—the need for reform. It’s been called for to reinven t high school education to make it more challenging and relevant, and to ensure that kids who do stick it out receive a diploma that actually means something.【小题1】Most high school students drop out of school because_______.A.they have failing gradesB.B. they take no interest in classesC. they are mistreatedD. they are lazy and not intelligent【小题2】According to the passage, which state has a law requiring school attendance until they graduate?A.New HampshireB. UtahC. New MexicoD. The District of Columbia【小题3】The underlined words ―stick it out‖probably means―________‖.A. complete schoolingB. solve the problemC. love having classesD. believe in themselves【小题4】In the last paragraph, the writer is trying to________.A. analyze the reason why students quit schoolB. suggest raising the compulsory attendance ageC. raise awareness of reforming high school educationD. wish to make laws to guarantee no dropout第二节（共5小题：每小题2分，满分10分）【题文】根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。

寒假作业05 动词的时态和语态-【寒假分层作业】2024年九年级英语寒假培优练(人教版)

限时练习：40min完成时间：月日天气：寒假作业05 动词的时态和语态一、时态考查热点1.八大时态结构一般现在时主语+be(am,is,are)+其它主语+动词原形(+其它) 主语+(+其它) 现在进行时主语+ be（am，is，are）+ 现在分词(+其它)一般过去时主语+be(was,were)+其它主语+ 动词的过去式(+其它)一般将来时主语+be going to+动词原形主语+shall/will+动词原形过去进行时主语++ 动词的现在分词过去将来时主语+ was/were/going to + 动词原形主语+would/should + 动词原形现在完成时主语++过去完成时主语++ 动词的过去分词2.时态与常用时间状语一般现在时every day, sometimes,at 7 every morning, on Sunday, often ,usually, always一般过去时yesterday, last week, an hour ago, the other day, in 1982, just now一般将来时next…, tomorrow, soon, his evening, in two days现在进行时look, listen , now, at the moment现在完成时for, since, so far, ever, never, just, yet, till/until, up to now, in the past few years, recently过去将来时the next day(morning, year…),the following month(week…)过去完成时before, by, until, when, after, once, as soon as过去进行时this morning, the whole morning, all day, this time yesterday, from nine to ten last evening 3.区别：have/has gone to，have/has been to 和have/has been inhave/ has gone to 去了（在去某地的路上或在某地，人还未回来）have/ has been to 曾经去过（人已经回来了）have/ has been in （常与一段时间连用）注意：have/ has been to常和once, twice, never, ever连用; have/ has gone to则不可。

01-高一英语寒假作业

高一寒假作业1一、词法突破A.单词拼写1.1 was（焦虑的）about the children when they didn't come back home from school.2.What（使T齿怒）me is that he won't even listen to other people's suggestions.3.She is not an（夕卜向的）person and she doesn't let anyone know what she truly feels.4.We felt at home with her and were（给留下E［］象）with the depth of her knowledge.5.The appearance of a spaceship makes it possible for us to（探索）the moon.6.Tom arrived at school late again,which made him feel（令人尴尬的）.7.How to do the（实验）has not been discussed yet.8.句式语境仿写.What if no one talks to me?要是没有人和我说话会怎么办呢？［仿写］要是他不同意我会怎么办呢？he doesn't agree with me?1.1found most of mv classmates and teachers friendlv and helpful.我发现我的大部分同学和老师都很友好，乐于助人。

［仿写］我发现绘画或素描很令人放松。

I find.3.1 feel much more confident than I felt this morning.我感觉比今天早晨更加自信。

［仿写］这次实验的结果比上次的好。

天津市2014届高三上学期期末五校联考数学(文) Word版含答案

2013—2014学年度第一学期期末五校联考高三数学（文）试卷命题人：杨村一中：王玲宝坻一中：张建芝一、选择题（共8个小题，每小题5分，共401.集合}{,,,,,U =123456，}{,,S =145,}{,,T =234,则)(T C S U 等于( ）A.}{,,,1456B.}{4C. }{,15D.}{,,,,123452.“22a b>”是 “22log log a b >”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3.执行如图的程序框图，则输出的T 值等于( )A ．91B ． 55C ．54D ．30 4.直线l 与圆22240,(3)x y x y a a ++-+=<相交于,A B 两点，若弦AB 的中点为(2,3)-，则直线l 的方程为( )A ．30x y +-=B ．10x y +-=C ．50x y -+=D ．50x y --= 5.设123log 2,ln 2,2a b c ===，则( )A ．a b c <<B ．b c a <<C ．b a c <<D ． c b a <<6.函数()sin()(0)6f x A x πωω=+>的图像与x 轴的交点的横坐标构成一个公差为2π的等差数列，要得到函数()sin g x A x ω=的图像，只需将()f x 的图像（） A.向左平移6π个单位 B.向右平移6π个单位C.向左平移12π个单位D.向右平移12π个单位7.点P 是双曲线22221(0,0)x y a b a b -=>>左支上的点，右焦点为(,0)F c ，若M 为线段FP 的中点, 且M 到原点的距离为8c，则双曲线的离心率e 的取值范围是（）A.41,3⎛⎤⎥⎝⎦ B.(]1,8 C.45(,)33 D.(]2,38．若1()1(1)f xf x+=+，当[0x∈，1]时，()f x x=，若在区间(1-，1]内()()g x f x mx m=--有两个零点，则实数m的取值范围是（）二、填空题（共6个小题，每小题5分,共30分）9.复数4312ii++的实部是 .10.若变量yx,满足约束条件340x yx yx y+≥⎧⎪-≥⎨⎪+-≤⎩，则yxz+=4的最大值是 .11.一个几何体的三视图如图所示(单位：cm)，那么此几何体的侧面积为 cm2.12.设)(xf是定义在R上的奇函数，当0x<时，'()0f x>，且1()02f-=，则不等式()0f x<的解集为____．13. 如图所示，点P是⊙O外一点，PD为⊙O的一条切线,D是切点，割线经过圆心O，若030=∠EFD，32=PD，则=PE .14.在ABC∆中,20,||5,||10,,3AD BC AB BC BD DC⋅====点P满足AP mAB=+(1)m AC-，则AP AD⋅的值是 .三、解答题（共6个小题，共80分）15、（本小题满分13分）为了更好地开展社团活动，丰富同学们的课余生活，现用分层抽样的方法从“模拟联合国”，“街舞”，“动漫”，“话剧”四个社团中抽取P（Ⅰ）求c b a ,,的值；（Ⅱ）若从“模拟联合国”与“话剧”社团已抽取的人中选2人担任指导小组组长，求这2人分别来自这两个社团的概率． 16．（本小题满分13分）已知函数1()cos )cos 2f x x x x ωωω=+-，其中0ω>，()f x 的最小正周期为4π.（Ⅰ）求函数()f x 的单调递增区间；（Ⅱ）在ABC ∆中，角A B 、、C 的对边分别是a 、b 、c ，且满足(2)cos cos a c B b C -=，求函数()f A 的取值范围.17.（本小题满分13分）已知在四棱锥ABCD P -中，底面ABCD 是矩形，ABCD PA 平面⊥，，1==AD PA的中点、分别是、，PD AB F E AB 2=（Ⅰ）求证：AF ∥PEC 平面;（Ⅱ）求PC 与平面ABCD 所成角的正切值大小; （Ⅲ）求二面角D EC P --的正切值大小. 18．（本小题满分13分）椭圆22221(0)x y a b a b +=>>，右焦点到直线0x y ++=的距离为CAP（I ）求椭圆的方程；（Ⅱ）过点()1,0-M 作直线l 交椭圆于B A ,两点，交x 轴于N 点,满足75NA NB =-,求直线l 的方程．19．（本小题满分14分）已知数列{}n a 的前n 项的和为n S ，点()n S n P ,()*∈N n 在函数()2x x f -= x 7+的图象上．(Ⅰ)求数列{}n a 的通项公式及n S 的最大值；(Ⅱ)令()*2N n b n a n ∈=，求数列{}n nb 的前n 项的和n T ； (Ⅲ)设()()n n n a a c --=971，数列{}n c 的前n 项的和为n R ，求使不等式57kR n >对一切*N n ∈都成立的最大正整数k 的值．20．（本小题满分14分）已知函数xax x f -=ln )( ，x ax x f x g ln 6)()(-+= ，其中R a ∈ （Ⅰ）讨论)(x f 的单调性；（Ⅱ）若)(x g 在其定义域内为增函数，求正实数a 的取值范围;（Ⅲ）设函数4)(2+-=mx x x h ，当2=a 时,若)1,0(1∈∃x ，对[]2,12∈∀x ，总有)()(21x h x g ≥成立，求实数m 的取值范围.2013—2014学年度第一学期期末五校联考高三数学（文）答题纸一、选择题（每小题5分）二、填空题（每小题5分）9. 10. 11.12. 13. 14.三、解答题15.（本小题满分13分）16.（本小题满分13分）17.（本小题满分13分）18．（本小题满分13分）D CBAPEF19.（本小题满分14分）20.（本小题满分14分）2013—2014学年度第一学期期末五校联考高三数学（文）答案三、解答题15.解：（Ⅰ）由表可知抽取比例为16，故4=a，6=b，2=c………3分（Ⅱ）设“模拟联合国”4人分别为A1，A2，A3，A4；“话剧”2人分别为B1，B2.则从中任选2人的所有基本事件为(A1，A2)，(A1，A3)，(A1，A4)，(A2，A3)，(A2，A4)，(A3，A4)，(A1，B1)，(A1，B2)，(A2，B1)，(A2，B2)，(A3，B1)，(A3，B2)，(A4，B1)，(A4，B2)，(B1，B2)，共15个．…………9分其中2人分别来自这两个社团的基本事件为(A 1，B 1)，(A 1，B 2)，(A 2，B 1)，(A 2，B 2)，(A 3，B 1)，(A 3，B 2)，(A 4，B 1)，(A 4，B 2)，共8个．………12分所以这2人分别来自这两个社团的概率P ＝815. ………13分16.解：21()cos cos 2f x x x x ωωω=⋅+-12cos 22x x ωω=+sin(2)6x πω=+ ………………3分（Ⅰ） 21424ππωω=∴=， ()sin()26x f x π=+. 由22()2262x k k k Z πππππ-≤+≤+∈ 得： 424433k x k ππππ-≤≤+.()f x ∴的单调递增区间是42[4,4]()33k k k Z ππππ-+∈ ……………7分（Ⅱ）由正弦定理：(2sin sin )cos sin cos A C B B C -=⋅2sin cos sin()A B B C =+sin()sin()sin 0B C A A π+=-=>1cos 2B ∴= ，3B π= ， ……………11分)62sin()(π+=A A f203A π<<，6262A πππ<+< ， 1()(,1)2f A ∴∈. …………… 13分 17.解：（Ⅰ）取PC 的中点O ，连结OE OF 、 FO ∥DC DC FO 21=且 ∴FO ∥AE ……………………2分又E 是AB 的中点．且AE FO DC AB =∴=,∴四边形AEOF 是平行四边形．AF ∴∥OE ,又PEC OE 平面⊂，PEC AF 平面⊄AF ∴∥PEC 平面．．．4分（Ⅱ）连结AC∵PA ⊥平面ABCD ,∴PCA∠是直线PC 与平面ABCD 所成的角……………………6分在PAC R ∆t 中，tan PA PCA AC ∠===即直线PC 与平面ABCD 所成的角的正切值为55…………8分（Ⅲ）作CE AM ⊥，交CE 的延长线于点M ,连结PM ，AC PA 平面⊥ ,AC CE 平面⊂，则PA CE ⊥,A PA AM AM CE =⋂⊥,,即,PAM CE 平面⊥PM CE PAM PM ⊥⊂则平面,∴PMA ∠是二面角D ECP --的平面角． ………11分由AME ∆∽CBE ∆，可得AM =，∴tan PA PMA AM∠== ∴二面角D EC P --的正切值为2 …………13分18.解：（I ）设右焦点为(,0)c，则=，c +=±， c =或c =-舍去) (2)分又离心率c a ==，a =，b ==故椭圆方程为22182x y +=. ……5分（Ⅱ）设),(11y x A ，22(,)B x y ，0(,0)N x ，因为75NA NB =-，所以1012027(,)=(,)5x x y x x y --- ，1275y y =- ① ……7分易知当直线l 的斜率不存在或斜率为0时，①不成立，于是设l 的方程为10y kx k ()=-≠，联立22148y kx x y =-⎧⎨+=⎩消x 得222(41)2180k y y k +++-= ②因为0∆>，所以直线与椭圆相交，于是122241y y k +=-+ ③，21221841k y y k -=+ ④，……10分由①③得，22541y k =+，12741y k =-+代入④整理得42890k k +-=，21k =，k 1=±所以直线l 的方程是1y x =-或1y x =--.………13分 19.解：（I ）因为点()n S n P ,()N n ∈在函数()2x x f -= x 7+的图象上．所以n n S n 72+-=，当2≥n 时，821+-=-=-n S S a n n n 当1=n 时，611==S a 满足上式，所以82+-=n a n． ……2分又n n S n 72+-=449272+⎪⎭⎫ ⎝⎛--=n ，且*N n ∈ 所以当3=n 或4时，nS 取得最大值12． ……4分（Ⅱ）由题意知n n n b -+-==48222 ……5分所以数列{}n nb 的前n 项的和为()45232212221+-+-⨯+⨯-++⨯+⨯=n n n n n T 所以()342221222121+-+-⨯+⨯-++⨯+⨯=n n n n n T ，相减得3423222221+-+-⨯-+++=n n n n T ， ……8分所以()()*442232*********N n n n T n n n n ∈⨯+-=⨯--⎥⎥⎦⎤⎢⎢⎣⎡⎪⎭⎫ ⎝⎛-=--……9分 (Ⅲ)由(Ⅰ)得()()n n n a a c --=971()()⎪⎭⎫ ⎝⎛+--=+-=1211212112121n n n n ……10分所以⎥⎦⎤⎢⎣⎡⎪⎭⎫ ⎝⎛+--++⎪⎭⎫ ⎝⎛-+⎪⎭⎫ ⎝⎛-=121121513131121n n R n ⎪⎭⎫ ⎝⎛+-=121121n …12分 0)32)(12(1)12113211(211>++=++-+-=-+n n n n R R n n 知n R 在*N n ∈上单调递增，所以n R 的最小值为311=R 不等式57k R n >对一切*N n ∈都成立，则5731k >，即19<k ． 18,max =∈*k N k ………14分20.解：（Ⅰ）)(x f 的定义域为),0(+∞，且2)(xa x x f +='， ①当0≥a 时，0)(>'x f ，在（0，+∞）上单调递增； ②当0<a 时，由0)(>'x f ，得a x ->;由0)(<'x f ，得a x -< 故在)(x f 在),0(a -上单调递减，在),(+∞-a 上单调递增．……4分（Ⅱ）x xa ax x g ln 5)(--=，)(x g 的定义域为),0(+∞ ， 22255)(x a x ax x x a a x g +-=-+=' 因为)(x g 在其定义域内为增函数，所以),0(+∞∈∀x ，0)(≥'x g 052≥+-∴a x axx x a 5)1(2≥+∴ ，即 152+≥x x a ……………6分 max 2)1(5(+≥x x a ∴2515152≤+=+x x x x ，当且仅当1=x 时取等号，所以25≥a ………9分（Ⅲ）当2=a 时，x x g 2)(=﹣，，由0)(='x g ，得2=x 或21x =当时，0)(>'x g ；当x 时，0)(<'x g所以在（0，1）上，，……………10分 “)1,0(1∈∃x ，[]2,12∈∀x ，总有)()(21x h x g ≥成立” 等价于 “)(x g 在（0，1）上的最大值不小于)(x h 在[]2,1上的最大值” ……………11分而)(x h 在[]2,1上的最大值为{})2(),1(max h h ，所以有 ⎪⎪⎩⎪⎪⎨⎧≥≥)2()21())1()21(h g h g ∴⎩⎨⎧-≥+--≥+-mm 282ln 5352ln 53 ， ∴⎪⎩⎪⎨⎧-≥-≥)2ln 511(212ln 58m m ……………13分解得2ln 58-≥m所以实数m 的取值范围是[)+∞-,2ln 58 ……14分。

2014-2015学年高二数学寒假作业(5)(Word版,含答案)

高二数学寒假作业（五）一、选择题，每小题只有一项是正确的。

1.等差数列{}n a 的前n 项和为n S ，且336,0S a ==，则公差d 等于（A ）1- （B ）1 （C ）2- （D ）22.已知数列{}n a ，13a =，26a =，且21n n n a a a ++=-，则数列的第五项为（）A ．6B ．3-C ．12-D ．6-3.（5分）用数学归纳法证明1+a+a 2+…+a n+1=（a≠1，n ∈N *），在验证当n=1时，等式左边应为（） A ． 1B ． 1+aC ． 1+a+a 2D ． 1+a+a 2+a 34.三角形ABC 周长等于20，面积等于 60,310=∠A ，则a 为（） A ． 5 B ．7 C ． 6 D ．85.在ABC ∆中，“A B <”是“22cos cos A B >”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6.在平面直角坐标系中，二元一次不等式组200y x x y y ≤⎧⎪+-≤⎨⎪≥⎩所表示的平面区域的面积为A ．1B ．．12 D ．27.过点(0,1)作直线，使它与抛物线24y x =仅有一个公共点，这样的直线共有 ( ) A.1条 B.2条 C.3条 D.4条8.已知点M(-3,0)，N(3,0)，B(1,0)，动圆C 与直线MN 切于点B ，过M 、N 与圆C 相切的两直线相交于点P ，则P 点的轨迹方程是（）A.)1(1822>=-x y x B.)1(1822-<=-x y x C.)0(1822>=+x y x D. )1(11022>=-x y x 9.观察下列数的特点：1，2，2，3，3，3，4，4，4，4，… 中,第100项是 A ．10 B. 13 C. 14 D.100 二、填空题10.下列命题中，真命题的有________.（只填写真命题的序号）①若,,a b c R ∈则“22ac bc >”是“b a >”成立的充分不必要条件；②若椭圆2211625x y +=的两个焦点为12,F F ，且弦AB 过点1F ，则2ABF ∆的周长为16; ③若命题“p ⌝”与命题“p 或q ”都是真命题，则命题q 一定是真命题； ④若命题p ：R x ∈∃，012<++x x ，则p ⌝：2,10x R x x ∀∈++≥． 11.等比数列{}n a 的前n 和为n S ，当公比3133,3q S ==时，数列{}n a 的通项公式是 . 12.已知空间三点(0,2,3)A ，(2,1,6)B -，(1,1,5)C -，(,,1)a x y =，若向量a 分别与AB ，AC 垂直，则向量a 的坐标为_ .13.如图，在平面直角坐标系xoy 中，1212,,,A A B B 为椭圆22221(0)x y a b a b+=>>的四个顶点，F 为其右焦点，直线12A B 与直线1B F 相交于点T ，线段OT 与椭圆的交点M 恰为线段OT 的中点，则该椭圆的离心率为 .三、计算题14.（本题12分）设,A B 分别是直线y x =和y x =上的两个动点，并且||AB =u u u rP 满足OP OA OB =+u u u r u u r u u u r，记动点P 的轨迹为C 。

天津市渤海石油第一中学2014届高三上学期第一次月考英语试题 Word版含答案

说明：1.本试卷分为第I卷（选择题）和第II卷（非选择题）两个部分，2.第I卷（选择题）部分写在答题卡; 第II卷（非选择题）写在答题纸上; 如果写在试卷上,视为无效答案.3.本试卷满分150分，考试用时120分钟。

第I卷一、听力部分（共15小题，每题1分，满分20分）第一节（共5小题，每小题1分，满分5分）听下面5段对话。

每段对话后有一个小题，从中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。

听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。

每段对话仅读一遍。

1. What’s the relationship between the speakers?A. Father and daughter.B. Teacher and student.C. Brother and sister.2. What does the woman mean?A. They won’t go out.B. It will stop snowing soon.C. She likes snow.3. How many children does Mr. Smith have?A. 3.B. 5.C. 6.4. How did Jim feel a moment ago?A. Sad.B. Angry.C. Happy.5. What does the man think of the movie?A. Wonderful.B. Just so-so.C. Boring.第二节（共10小题，每小题1.5分，满分15分）听下面3段对话或独白。

每段对话或对白后有几个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。

听每段对话或独白前，你将有时间阅读各个小题，每小题5秒钟；听完后，每小题给出5秒钟的作答时间。

每段对话或独白读两遍。

听第6段材料，回答第6至8小题。

6. What does the man think of the first pair of shoes?A. They are too large for him.B. They don’t look good.C. They are a little small for his father.7. Why is the man buying shoes for his father?A. For his father’s birthday.B. For a party.C. For a meeting.8. How much will the man pay?A. 160 dollars.B. 200 dollars.C. 320 dollars.听第七段材料，回答第9至11题。

高三语文寒假作业：(五)(Word版含答案)

高三语文寒假作业（五）一、基础知识1.下列词语中加点的字，读音全都正确的一组是（）A．籼米（xiān）隶属（lì）横亘（gèn）悄然无声（qiǎo）B．蕾丝（léi）钦慕（qīn）憎恨（zēng）鸡毛掸子（dǎn）C．叨扰（tāo）璎珞（lào）桌帏（wéi）大有裨益（bì）D．挣脱（zhèng）估量（liáng）夹缝（jiá）骁勇善战（xiāo）2.在下面一段文字的横线处填入语句，衔接最恰当的一项是（）由于只有一个人生，颓废者因此把它看作零，堕入悲观的深渊。

事实上，在一个热爱人生而又洞察人生真相的人心中，悲观、执著、超脱三种因素始终都存在着，没有一种会完全消失，智慧就存在于它们此消彼长的动态平衡之中。

①两者均未得智慧的真髓。

②人生既是零，又是全，是零和全的统一。

③不过，这只是一种简化的描述。

④执迷者又因此把它看作全，激起占有的热望。

⑤智慧是在两者之间，确切地说，是包容了两者又超乎两者之上。

⑥用全否定零，以反抗虚无，又用零否定全，以约束贪欲，智慧仿佛走着这螺旋形的路。

A.④⑤③①②⑥B.②⑥①④⑤③C.④①⑤②⑥③D.②④①③⑥⑤3.下列各句中，加点的词语运用正确的一项是（）A．他填报高考志愿时，又想报清华，又想报北大，总是见异思迁。

B．人们在解决问题时一般有两种方法：一种是将问题变小，小意味着成本低，好办事；另一种是把问题变大，大而化之，放大了才能解决。

C．从先秦散文风格来看，《庄子》奇幻，《孟子》雄辩，《荀子》浑厚，《韩非子》峻峭，应该说各有千秋。

D．这次中俄朱日和军事演习，蓝军一度处于劣势，他们在关键时刻反戈一击，才夺回了战场上的主动权。

4.下列有关《红楼梦》内容的说法中不正确的一项是（）A．凤姐患病，一时难以痊愈。

王夫人便让尤氏、探春一同照管园中事物，又请来宝钗帮忙，托她各处小心。

B．宝玉不愿会客，湘云劝他谈讲仕途经济，宝玉马上放下脸，叫湘云到别处呆去，还说“林姑娘”从不说这些混帐话。

天津市2014届高三上学期期末五校联考英语 Word版含答案

2013—2014学年度第一学期高三期末五校联考英语试题试卷说明：本试卷由第Ⅰ卷（选择题）和第Ⅱ卷（非选择题）两部分组成，共150分；考试时间120分钟。

祝各位同学考试顺利！第I卷(选择题共115分)第一部分：听力(共15小题，满分20分)第一节（共5小题；每小题1分，共5分）1. What’s the man doing?A. Seeing a doctor.B. Applying for a job.C. Buying some materials in a shop.2. How does the man advise the woman to go to the city?A. By bus.B. By train.C. By taxi.3. From where did the woman learn about the job opening?A. A friend of hers.B. An ad from the newspaper.C. A television interview.4. Why does the woman want to go to America?A. To attend a conference.B. To take an English program.C. To visit some friends.5. What can we know about the woman?A. She earns a high salary.B. She saves a lot each month.C. She spends more than she earns.第二节（共10小题，每小题1.5分，共15分）听第6段材料，回答第6至8题。

6. Where did the woman go last summer?A. To Cyprus.B. To Switzerland.C. To England.7.What does the man think of traveling by plane?A. It’s too expensive.B. It’s very dangerous.C. It’ s better for long journeys.8. What’s the weather in Cyprus like in summer?A. It’s cool up in the hills.B. It’s cool on the coast.C. It is warm on the coast .请听第7段材料，回答第9至11题。

天津市和平区2024届高三下学期一模试题英语 Word版含答案

A．Male students were more willing to take it
B．Male students were more anxious about it.
C．Female students scored higher in the final.
14．Why could Frances Anderson understand the statistics class better?
祝各位考生考试顺利!
第Ⅰ卷
注意事项：
1．每小题选出答案后，用铅笔将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。
2．本卷共55小题，共95分
第一部分：英语知识运用(共两节，满分45分)
第一节：单项填空(共15小题，每小题1分，满分15分)
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
C．He is Ben Cloud’s head of sales
本试卷分第Ⅰ卷(选择题)和第Ⅱ卷(非选择题)两部分，共130分，考试用时100分钟，第Ⅰ卷1页至10页，第Ⅱ卷11页至12页。
答卷前，考生务必将自己的姓名、准考号填写在答题卡上，并在规定位置粘贴考试用条形码。答卷时，考生务必将答案涂写在答题卡上，答在试卷上的无效。考试结束后，将本试卷和答题卡一并收回。
C．His sister gave it to him.
11．Where does the conversation probably take place?
A．In the classroom. B．On the phone. C．In the study.
听下面一段独白，回答第12至第15小题。
听下面一段对话，回答第6至第8小题。

天津市高三英语寒假作业（2）

天津市⾼三英语寒假作业（2）天津市2013-2014学年⾼三寒假作业（2）英语 Word版含答案⼀、单项选择（共15⼩题，每⼩题1分，满分15分）从A、B、C、D四个选项中，选出可以填⼊空⽩处的最佳选项。

1.What the little boy got from his father was __________magazine.A. a large interesting FrenchB. an interesting large FrenchC. a French large interestingD. an interesting French large2.The new stadium being built for the next Asian Games will be _______ the present one.A three times as big asB as three times big asC. as big as three timesD. as big three times as3.______ great fun it is to have a swim in such a hot day!A. HowB. How aC. WhatD. What a4.---Did he tell you the bad news?---Yes, but I’d rather he ____.A. didn’tB. haven’tC. hadn’tD. wouldn’t5.Two-thirds of his time ____ on chatting online, and one-third of his subjects ____ below the passing line.A. is spent; areB. spends; areC. are spent; isD. spend; are6.They are all interested in the newly-built apartments along the river,really want to buy them yet.A. none of themB. neither of themC. none of whomD. neither of whom7.______ this winding path, and you’ll come to a lovely cottage by a lake i n thewoods.A. To followB. FollowingC. FollowedD. Follow8.Since Jack was laid off from his job three months ago, he a new one, but without luck.A、looked forB、bad looked forC、is looking forD、has been looking for9.When I went in, they were ____ in a heated discussion.A. absorbB. absorbedC. absorbingD. being absorbed10.The girl is clever and she always ______ good ideas whenever she is in trouble.A. comes aboutB. comes up withC. comes outD. comes up11.A team, _____ two doctors and three policemen, ____ sent to search for the missing explorers.A. consists of; wasB.consisting of; wasC. consisted of; wasD. to be consisted of; were12.— What do you think we should do after dinner?— Why don't we get _______ beer at the Karaoke bar down the street? It is kind of _______fun to hear all the band singing．A．a; / B．a; a C．the; a D．a; the13.T hose who don’t ________study and life ________ will regret for what he has done sooner or later.A. take… strictlyB. look… carefullyC. take… seriouslyD. look… truly14.The audience fixed their eyes on the magician, _______ about how he performed the magic trick.A. curiousB. anxiousC. astonishedD. upset15.A completely new situation is likely to when the new law comes into effect.A. ariseB. riseC. raiseD. rose⼆、完型填空（共20⼩题；每⼩题1分，满分20分）阅读下⾯短⽂，掌握其⼤意，然后从16～35各题所给的四个选项（A、B、C和D）中选出最佳选项，并在答题卡上将该项涂⿊。

天津市2014届高三上学期期末五校联考物理 Word版含答案

2013-2014学年第一学期期末五校联考高三物理试卷一、单选题（每题3分，共30分）1.机车以额定功率启动,假设所受的阻力始终不变,在此过程中,下列说法正确的是（）A ．机车加速度逐渐减小后增大B ．机车速度逐渐减小后增大C ．机车位移一直增大D ．在任意两相等的时间内机车速度变化相等 2.下列关于摩擦力说法中正确的是（）A. 在同一接触面上有弹力必定有摩擦力，有摩擦力必定有弹力B. 两个相对运动的物体之间，不一定有动摩擦力存在C. 摩擦力的大小一定与物体间的正压力大小成正比D. 摩擦力的方向总是与运动方向共线3．如图所示，固定的光滑竖直杆上套一个滑块，用轻绳系着滑块绕过光滑的定滑轮，用力F 拉绳，使滑块从A 点沿杆缓慢上滑至B 点，在此过程中拉力F 和杆对滑块的弹力N 的变化情况是( )A.F 恒定不变，N 逐渐增大B. F 逐渐减小，N 保持不变C.F 逐渐增大，N 逐渐增大D. F 先增大后减小，N 逐渐增大 4．一物体在外力的作用下从静止开始做直线运动，合外力方向不变，大小随时间的变化如图所示。

设该物体在0t 和02t 时刻相对于出发点的位移分别是1x 和2x ，速度分别是1v 和2v ，合外力从开始至o t 时刻做的功是1W ，从0t 至02t 时刻做的功是2W ,则（）A ．215x x = 213v v =B ．12219 5x x v v ==C ．D ．2 1 2139v v W W ==5．如图所示，两个质量相等的物体从同一高度沿倾角不同的两个光滑斜面由静止自由滑下，到达斜面底端，则两物体具有相同的物理量是（）A ．下滑过程中重力的冲量B ．下滑过程中合力的冲量C ．下滑过程中动量变化量的大小D ．刚到达底端时的动量6．如图所示的电路中，电池的电动势为E ，内阻为r ，电路中的电阻R 1、R 2和R 3的阻值都相同．在电键S 处于闭合状态下，若将电键S 1由位置1切换到位置2，则（）A ．电压表的示数变大B ．电阻R 2两端的电压变大A B3 1C ．电池内阻消耗的功率变大D ．电源的总功率变小。

天津市第一百中学2014届高三上学期第一次月考英语试题 Word版含答案

高三英语命题人：涂德龙说明：本试卷分第Ⅰ卷（选择题）、第Ⅱ卷两部分，第Ⅰ卷与第Ⅱ卷共计150分，考试用时120分钟第Ι卷（共105分）第一部分：听力（共两节，满分20分）第一节：（共5小题，每小题1分，满分5分，）听下面五段对话。

每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。

听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一个问题。

每段对话仅读一遍。

1. How many letters does the woman write to her mother?A. 8.B. 4 .C. 2.2. Who might break the school rules?A. Tom.B. Jim .C. Jack.3. What time is it now?A. 9:30 .B. 9:15.C. 8:40.4. What would the man like to do?A. Go out to work.B. Go out for a walkC. Play outside.5. How did the man know the temperature?A. The weatherman said.B. He himself is a weatherman .C. The woman told him.第二节（共10小题；每小题1.5分，满分15分）听下面一段对话，回答第6至第8小题。

6. What are the speakers talking about?A. The man speaker’s new story.B. English learningC. A coming examination.7. What is the probable relationship between the speakers?A. Interviewer and interviewee.B. Boss and secretary .C. Doctor and patient.8. What is the advice for those poor at listening?A. To memorize more words.B. To watch some VCDs.C. To practice some listening exercises. 听下面一段对话，回答第9至第11小题。

天津市2014届高三上学期期末五校联考历史 Word版含答案

2013-2014学年第一学期期末五校联考高三历史试卷一．单项选择题（每小题1.5分，共48分）1．《春秋左传》中有一段关于宗法制的记载：“王后无适，则择立长。

年钧以德，德钧以卜。

”（【注】无适：没有嫡子。

钧：均等。

）这段记载说明A．宗法制下都是按年龄大小来确定继承人B．春秋时期只能靠占卜来解决继承问题C．古代宗法制有一套相对完整的实施办法D．贤德是宗法制确立继承人的首要依据2.“随着商业和（罗马）帝国的发展，生活日益复杂，原先的法律不能再满足需要……”为了能够适应新的社会发展要求，万民法逐步取代了公民法。

因为万民法A．能在一定程度上限制贵族的专横和特权B．内容侧重于急需的国家事务和法律程序C．体现了法律面前人人平等的自然法原则D．能较好地理顺各种错综复杂的利益关系3．1880年，薛福成写道：“中国立约之初，有视若寻常而贻害于无穷者，大要有二：一则曰，一国获利各国均沾也。

……一则曰，洋人居中国不归中国官管理也。

”在他看来，对近代中国“贻害于无穷”的是①开设工厂②协定关税③片面最惠国待遇④领事裁判权A．①② B．③④ C．①③ D．②④4．如果要进行新民主主义革命时期的革命传统教育，你可以选择的实地考察路线是A．虎门销烟遗迹——天津义和团遗址——北京故宫B．中共“一大”会址——淮海战役纪念馆——威海甲午海战纪念馆C．孙中山故居纪念馆——武昌起义纪念馆——圆明园遗址D．井冈山革命博物馆——遵义会议会址——革命圣地延安5．就当时布尔什维克党内部的分歧，莫洛托夫说道：“无论是我，还是始终同列宁在一起的那些人中的任何一位，都没有立刻清楚地理解他的话。

……当他们所说的社会主义革命是将来的事情时，列宁回答说：‘不，现在就应当准备社会主义革命。

’”当时“分歧”主要是围绕A. “四月提纲”中的主张 B．《和平法令》中的规定C．建立苏维埃政权的决定 D．《土地法令》中的规定6.渡江战役期间，毛泽东发表声明：“外国政府如果愿意考虑同我们建立外交关系，它就必须断绝同国民党残余力量的关系”。

高三英语寒假作业：(七)(Word版含答案)

高三英语寒假作业（七）第一部分阅读理解（共两节，满分40分）第一节(共15小题；每小题2分，满分30分)阅读下列列短文，从每题所给的四个选项(A、B、C和D)中,选出最佳选项。

并在答题卡上将该选项涂黑．ASome people think that as more and more people have televisions in their homes, fewer and fewer people will buy books and newspapers. Why read an article in the newspaper, when the TV news can bring you the information in a few minutes and with pictures? Why read the life story of a famous man, when a short television program can tell you all that you want to know?Television has not killed reading, however. Today, newspapers sell in very large numbers. And books of every kind are sold more than ever before. Books are still a cheap way to get information and enjoyment. Although some books with hard covers are expensive, many books are printed today as paperbooks (平装本), which are quite cheap. A paperback collection of short stories, for example, is always cheaper than an evening at the cinema or the theater, and you can keep a book for ever and read it many times.Books are a wonderful provider of knowledge and pleasure and some types of books should be in every home. Every home should have a good dictionary. A good encyclopedia (百科全书), though expensive, is useful, too, because you can find information on any subject. Besides, you can have such books as history books., science textbook, cookbooks, and collections of stories and poems. Then from time to time you can take a book of poems off your shelves and read the thoughts and feelings of your favorite poets.1. It can be inferred from the passage that ________.A. TV programs are a chief provider of knowledgeB. cinemas are the best choice in getting informationC. reading is a cheap way of learning and having funD. newspapers are an expensive way to enjoy oneself2. What does the sentences “Television has not killed reading, however ” underlined in the second paragraph suggest?A. People only need reading, though.B. Reading is still necessary today.C. Reading is more fun than television.D. Watching television doesn‟t help reading.4. What can we learn from the passage?A. Fewer and fewer people will buy books.B. A good dictionary should be kept in every home.C. Books with hard covers sell better than paperbooks.D. More people like TV programs about famous men.BDomestic (驯养的) horses now pull ploughs, race in the Kentucky Derby, and carry police. But early horses weren‟t tame (驯服的) enough to perform these kinds of tasks. Scientists think the first interactions humans had with horses were far different from those today.Thousands of years ago, people killed the wild horses that lived around them for food. Over time, people began to catch the animals and raise them. This was the first step in domestication.As people began to tame and ride horses, they chose to keep those animals that had more desirable characteristics. For example, people may have chosen to keep horses that had a gentle personality so they could be ridden more easily. People who used horses to pull heavy loads would have chosen to keep stronger animals. Characteristics like strength are partly controlled by the animals‟ genes. So as the domesticated horses reproduced, they passed the characteristics on to their young. Each new generation of houses would show more of these chosen characteristics.Modern day horse breeds come in a wide variety of shapes and sizes. This variety didn‟t exist in the horse population before domestication. The Shetland horse is one of the smallest breeds—typically reaching only one meter tall. With short, strong legs, the animals were bred to pull coal out of mine shafts (矿井) with low ceilings. Huge horses like the Clydesdale came on the scene around 1700. People bred these heavy, tall horses to pull large vehicles used for carrying heavy loads.The domestication of horses has had great effects on societies. For example, horse were important tools in the advancement of modern agriculture. Using them to pull ploughs and carry heavy loads allowed people to farm more efficiently. Before they were able to ride horses, humans had to cross land on foot. Riding horses allowed people to travel far greater distance in much less time. That encouraged populations living in different areas to interact with one another. The new from of rapid transportation helped cultures spread around the world1. Before domestication horses were ______.A. caught for sportsB. hunted for foodC. made to pull ploughsD. used to carry people2. The author uses the Shetland horse as an example to show ______.A. it is smaller than the Clydesdale horseB. horse used to have gentle personalitiesC. some horses have better shaped than othersD. horses were of less variety before domestication3. Horses contributed to the spread of culture by ______.A. carrying heavy loadsB. changing farming methodsC. serving as a means of transportD. advancing agriculture in different areas4. The passage is mainly about _______.A. why humans domesticated horsesB. how humans and horses needed each otherC. why horses came in different shapes and sizesD. how human societies and horses influenced each otherCA new study has found no evidence that sunscreen, commonly used to reduce the risk of skin caner, actually increases the risk.Researchers from the University of lows based their firdings on a review of 18 earlier studies that looked at the associstion between sunscreen use and melanoms(黑素瘤). They said that they found flaws in studies that had reported associations between sunscreen use and higher risk of melanoma.Most health experts believe that by protecting the skin from the harmful effects of the sun, sunscreen helpsprevent skin cancer, which is increasing in incidence (发生率) faster than any other cancer in the United States.But questions have been raised about sunscreen and whether it may have the opposite effect, perhaps by allowing people to remain exposed to the sun longer without burning.The researchers said that among the problems with some earlier studies is that they often failed to take into account that those people most at risk for skin concer—people with fair skin and freckles （雀斑）,for example—are more likely to use sunscreen. As a result, it may appear that sunscreen users get cancer more often.The studies, which generally relied on volunteers to recall their sunscreen use, were also unable to prove how well the products had been applied, said the new study.1. The underlined word “flaws” in the 2nd paragraph most probably means .A.evidencesB.factsC.faultsD.failures2. People with fair skin and freckles .A.seldom use sunscreenB. are more in danger of skin concerC. can be free from the harm of the sunD. often expose themselves to the sun3. We can learn from the passage that .A. sunscreen users get skin cancer more oftenB. the volunteers have proved the effect of sunscreenC. the new study was based on the experiences of volunteersD. the number of skin cancer patients is increasing in America4. Which of the following can be the beat title for this passage?A. Sunscreen to Prevent Skin CancerB. Sunscreen to Increase Skin CancerC. Skin Cancer Caused by SunscreenD. Skin Cancer Caused by FrecklesDDespite the fact that it has never been seen almost everyone is familiar with the legendary unicorn(独角兽). Descriptions of unicorns have been found dating from ancient times. The great philosopher Aristotle theorized that there were two types of unicorn--- the so-called Indian Ass and the Oryx, a kind of antelope.Unicorns are often used in the logo of a noble family, town council or university as their special sign. EvenScotland is represented by a unicorn.According to the legend, anyone attempting to catch a unicorn had to be extremely cautious as it has a reputation for being very fierce. A clever trick suggested by unicorn-trappers, in order to catch this magnificent beast without being hurt by its horn, was for the hunter to stand in front of a tree and then to move quickly behind it as the unicorn charged. Hopefully, the creature could then be captured when its horn was stuck in the tree.When hollowed out and used as a drinking-cup, the unicorn‟s horn was said to have the power to offer protection against person. It was believed that nobody could be harmed-by drinking the contents of a uni corn‟s horn. Right up until the French Revolution in 1789, the French court was said to have used cups made of “unicorn” horn in order to protect the king. In addition, the horn was said to have medicinal value, so much so that it could be sold for more than ten times the price of the same weight of gold. What, then, was “unicorn” horn? We know at times the rhino(犀牛) was confused with this legendary creature. A drinking-cup supposedly made of “unicorn” horn was discovered to be made of the horn of a rhino.1. Which of the following is TRUE of the unicorn?A. It was not historically recordedB. Its horn was first used in FranceC. It was similar to the Indian Ass and the OryxD. It could be the symbol of a university2. To catch a unicorn, the unicorn-trappers had to try all of the following EXCEPT ____.A. tempting the unicorn to attackB. making use of the tree as a protectionC. hiding quickly behind the unicornD. having the unicorn horn stuck in the tree3. The last paragraph is mainly about ____.A. the properties of the unicorn hornB. the users of the unicorn hornC. the price of the unicorn hornD. the comparison between the unicorn horn and the rhino horn4. In the last paragrap h, the word “unicorn ” is in quotation marks (引号)because _____.A. the cup is designed only for a royal familyB. the unicorn does not exist in realityC. the unicorn is the rarest animal in the worldD. the medicinal value of the horn is appreciated第二节（共5小题：每小题2分，满分10分）【题文】根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。

高二英语寒假作业：(五)(Word版含答案)

高二英语寒假作业（五）第一部分阅读理解（共两节，满分40分）第一节(共15小题；每小题2分，满分30分)阅读下列列短文，从每题所给的四个选项(A、B、C和D)中,选出最佳选项。

并在答题卡上将该选项涂黑．AHere is your best chance to travel around the UK in 2012: More than 200 B&Bs（bed & breakfast）across England, Scotland, Wales and Northern Ireland are selected to offer you amazing services for your stay at their lowest prices! Don’t miss it. Just collect the vouchers (活动券) in our B&B Daily printed from 01/04/2012 to 07/04/2012 and book the stays for your travel following the terms and conditions below:●The offer includes a room for the night and a breakfast the next morning.●The offer is of two kinds: ￡20 per room, per night, valid (有效的) during stay period of 02/04/2012—31/05/2012 and then again 01/09/2012—31/10/2012；￡35 per room, per night, valid during stay period of 01/06/2012—31/08/2012.●The offer is valid for a basic twin or double room only.●The stay must be booked directly with the chosen B&Bs before 28/04/2012.●Each voucher can only be used by the holder to book one room for one night.●If voucher holders book either the￡20 or￡35 per room per night, any additional services such as lunch, evening meal or activities may require an extra charge. Please check directly with your chosen B&Bs to see what extra services are available.●Vouchers must be presented on arrival. If no vouchers are presented, the B&Bs may reserve the right to charge at full price for every night of stay.●Vouchers may not be used together with any other offer.●The voucher holders must pay for the stay in full at the time of booking. Additional￡10 may be paid to confirm the booking and will be returned on arrival.●The B&Bs reserve the right to refuse voucher holders’ bookings for people under the age of 18.1. How much should be paid for a two-night stay in October 2012 at a chosen B&B?A.￡70.B.￡40.C.￡35.D.￡30.2. What right do the B&Bs reserve?A. To charge extra￡10 for bookings with no vouchers.B. To refuse bookings for guests under the age of 18.C. To charge at full price for stays not confirmed.D. To request extra charges as tips.3. By taking up the offer, the voucher holders can choose to ______.A. book either a basic twin or double room at the chosen B&BsB. have lunch or evening meal without paying extra moneyC. use the B&B offer together with other offersD. book the stays through B&B DailyBVitamins are stored in foods we eat. The kids are udner great need of vitamins for growth. As they use their energy in playing, they need lots of vitamins.Children usually choose certain foods above the others and often do not eat those with important nutrients(营养). Sothough the food they are eating is nutritious, it may not always provide all the nutrients the child needs.One nutrient can not balance the shortage(缺乏) of another. Foods like grains, vegetables, fruits and meats should be eaten daily, because different foods in the child’s diet can balance against taking too much or too little of any nutrient.Kids grow slower in their childhood than when they were babies or when they develop into adults. Energy output is high, with hard paly perids that include plenty of running, jumping, and testing of new physical skills. So they need a lot of vitamins.Here are some important vitamins and their functionsVitamin D in milk helps your bones.Vitamin A in carrots helps you see at night.Vitamin C in oranges helps your body heal if you get a cut.B vitamins in leafy vegetables helps your body make protein(蛋白质).The children, who are suffering from a sickness called cystic fibrosis, lose vitamin A, D and E. These are main body-building vitamins. Therefore, vitamin supplements(添补剂) may be necessary. Blood tests will telll you whether a child needs vitamin supplements.If babies over nine months of age are receiving whole cow’s milk, they’ll need a daily vitamin C supplement till their diet provide enough vitamin C.Vitamin D is added to all milks so babies drinking them need no extra vitamin D.Children are greatly in need of vitamin C. If you are 18 years of age or younger, you should get 115 millgrams of vitamin C per day. Those over 19 should get 120 milligrams per day.1. We can learn from the passage that _______.A. it is necessary for kids to eat different foods for all nutrientsB. it is necessary for one to exercise if he needs more vitaminsC. is it unnecesssay for babies to take a vitamin D supplementD. it is unnecessary for elderly people to take in any vitamins.2. When do kids have to take a vitamin supplement?A. When they are not full of energy.B. When they eat only some foods.C. When they suffer from various illnessesD. When they don’t have normal food.3. What is it expecially necessary for high school students to have daily?A. . MilkB. Orange.C. Carrots.D. Vegetables.4. The proper title for the passage is _______.A. Diets of all nutrientsB. Vitamins for childrenC. Balance of daily dietsD. Functions of vitaminsCThe Taxi & Limousine Committee agreed Wednesday to carry out a 30-cent extra charge on every city taxi fare —part of a historic plan to make half the city’s yellow cabs wheelchair-accessible.The 30-cent extra charge will be assessed starting next January on all metered(用仪表计量的)yellow and green cab fares. The money will be put in a fund to help yellow cab owners make their vehicles wheelchair-accessible.Only about 400 of the more than 13,000 yellow cabs now on city streets can accommodate wheelchairs. Hopefully, that number will rise to more than 7,500 by 2020.Mayor de Blasio in the city Washington proposed the 30-cent charge to support the upgrades.Consequently, disabled New Yorkers said the addition of more accessible cabs would be life-changing.“We can’t go anywhere more conveniently,” said Jean Ryan of Brooklyn, who uses a wheelchair.For the birth of her grandson, she had to wheel a mile and a half in a snowstorm to get to the hospital, she said.Ronnie Raymond of Manhattan wept as she described spen ding “hours trying to get somewhere that takes everybody else 20 minutes.”Some supporters for the disabled said more was needed to be done.“I dream of a world where it’s 100% accessible and we have cabs just like anyone else,” said Jason DaSilva, a Brook lyn filmmaker who suffers from multiple sclerosis and uses a wheelchair.It’s particularly important because the city’s subway system is absolutely inaccessible to wheelchair riders.Some other cities, including London, with its famous black cabs, require that all its taxis be fully accessible.Some citizens expressed sympathy for the wheelchair-using riders, many of whom carried neon signs(霓虹灯招牌) that read “Taxi” next to a wheelchair symbol.“The goal of this committee should be 100% accessibility — and I hope sooner rather than later,” said Frank Carone from the Taxi & Limousine Committee.1. For what purpose will a 30-cent extra charge be applied on every city taxi fare?A. To found a Taxi & Limousine Committee on Wednesday.B. To encourage the locals to use wheelchairs properly.C. To help the disabled with wheelchairs take a taxi conveniently.D. To attract more tourists to use wheelchairs to get around.2. Who was Jean Ryan in the passage?A. Mayor of Washington.B. A wheelchair user.C. A cab driver.D. A taxi owner3. What is “sclerosis” in Paragraph 10 according to the passage?A. The name of a vehicle.B. The name of a filmmaker.C. The name of a sort of wheelchairsD. The name of a disease.4. It can be safely inferred from the passage that ________.A. The 30-cent extra charge on every city taxi fare is already quite popular.B. About 1300 yellow cabs now on city streets are accommodating wheelchairs.C. Wheelchair riders are absolutely content with the city’s subw ay system.D. There is a long way to go before the plan can be applied successfully.DOffering a powerful new tool against terrorism, researchers have found a way to detect lies in the liar’s blushing(脸红) face. The technique, described in the journal (期刊) Nature, uses a thermal camera (热感照相机) to detect the sudden shift of blood flow in the face. The system performed as a traditional polygraph (测谎仪), the scientists report.Pushed by technological advances and with fresh interest since Sept.11, the discovery is part of the development in the scientific study of detection. Although the lie remains a mysterious phenomenon, researchers in recent years have found a number of new methods that might take the place of the polygraph, from brain scans, to slight changes in eye movement, to sparks of electrical activity that signal a person has seen a victim or a crime scene before. The new finding says, when a person tells a lie, there is a sudden change of blood to the area around the eyes. Although the change is not ordinary visible, the blood warms the skin, causing bands of color to appear through a camera sensitive to heat.One advantage of the camera can provide answers quickly, and doesn’t require a highly trained expert to operate it or explain its results. In theory, this new technology could be used anywhere large numbers of people need to be quickly screened.But some scientists say the technology would need to be improved before it is ready for use, for it is possible that there are other reactions that cause a sudden change in blood flow in the face and there is also the danger that people will learn to fool the machine, the same way they try to fool polygraph examiners by controlling their breathing or taking drugs to relax themselves.1. Compared with a traditional polygraph, the new tool’s progress lies in the fact that_______.A. it is moveableB. it is easier to operateC. it gives correct conclusionD. it can only be used in public places.2. Different from the other tried ways, this new technology studies ______ to detectlies.A. brain wavesB. eye movementsC. electrical sparksD. change in facial blood flow3. We can infer that _________ inspires the finding of the new way of detection.A. the need of personal securityB. the data collected in the tried waysC. the threaten from terrorismD. the desire for public use4. It is NOT true that this new technology _________.A. is incomparable as a result of perfect development and necessary restsB. is likely to be used widely to screen large number of peopleC. faces the danger of being fooled by experienced and drug-taking liarsD. needs to be improved before being put into use第二节（共5小题：每小题2分，满分10分）【题文】根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。