infinity论文范文

一篇基于混沌特性和分形性质的优化算法原文的译文 ：）Mohammad Saleh Tavazoei & Mohammad Haeri 的？

If the Dream is Big EnoughI used to watch her from mykitchenwindow, she seemed so small as she 1)muscled her way throughthecrowd of boys on the playground. The school was across thestreetfrom our home and I would often watch the kids as theyplayedduring recess. A sea of children, and yet to me, she stoodout fromthem remr the first day I saw her playing in wonder as she ran circles around the other to shoot jump shots just over their heads and into boys always tried to stop her but no one begantonotice her at other times, basketball in hand, playing practice 2)dribbling and shooting over and overagain,sometimes until dark. One day I asked her why she practicedsomuch. She looked directly in my eyes and without a momentofhesitation she said, “I want to go to college. The only way Icango is if I get a scholarship. I like basketball. I decided thatifI were good enough, I would get a scholarship. I am going toplaycollege basketball. I want to be the best. My Daddy told me ifthedream is big enough, the facts don’t count.” Then she smiledandran towards the court to 3)recap the routine I had seen overandover , I had to give it to her—she was her through those junior high years and into week, she led her 4)varsity team to day inhersenior year, I saw her sitting in the grass, head cradled inherarms. I walked across the street and sat down in the coolgrassbeside her. Quietly I asked what was wrong. “Oh, nothing,”came asoft reply. “I am just too short.” The coach told her that at5’5”she would probably never get to play for a top ranked team—muchless offered a scholarship—so she should stop was heartbroken and I felt my own throat tightenas Isensed her disappointment. I asked her if she had talked to herdadabout it lifted her head from her hands and told methather father said those coaches were wrong. They just didnotunderstand the power of a dream. He told her that if shereallywanted to play for a good college, if she truly wantedascholarship, that nothing could stop her except one thing — herownattitude. He told her again, “If the dream is big enough, thefactsdon’t count.”The next year, as she and her team went totheNorthern California Championship game, she was seen by acollege5)recruiter. She was indeed offered a scholarship, a fullride, toa Division I, 6)NCAA women’s basketball team. She was goingto getthe college education that she had dreamed of and workedtoward forall those ’s true: If the dream is big enough,the factsdon’t count. 我以前常常从厨房的窗户看到她穿梭于操场上的一群男孩子中间，她显得那么矮小。 学校在我家的街对面，我可以经常看到孩子们在下课时间打球。尽管有一大群的孩子，但我觉得她跟其他的孩子截然不同。 我记得第一天看到她打篮球的情景。看着她在其他孩子旁边兜来转去，我感到十分惊奇。她总是尽力地跳起投篮，球恰好越过那些孩子的头顶飞入篮筐。那些男孩总是拼命地阻止她，但没有人可以做得到。 我开始注意到她有时候一个人打球。她一遍遍地练习运球和投篮，有时直到天黑。有一天我问她为什么这么刻苦地练习。她直视着我的眼睛，不加思索地说:“我想上大学。只有获得奖学金我才能上大学。我喜欢打篮球，我想只要我打得好，我就能获得奖学金。我要到大学去打篮球。我想成为最棒的球员。我爸爸告诉我说，心中有目标，风雨不折腰。”说完她笑了笑，跑向篮球场，又开始我之前见过的一遍又一遍的练习。 嘿，我服了她了——她是下定了决心了。我看着她这些年从初中升到高中。每个星期，她带领的学校篮球代表队都能够获胜。 高中那会儿的某一天，我看见她坐在草地上，头埋在臂弯里。我穿过街道，坐到她旁边的清凉的草地上。我轻轻地问出什么事了。“哦，没什么，”她轻声回答，“只是我太矮了。”原来篮球教练告诉她，以五英尺五英寸的身材，她几乎是没有机会到一流的球队去打球的——更不用说会获得奖学金了——所以她应该放弃想上大学的梦想。 她很伤心，我也觉得自己的喉咙发紧，因为我感觉到了她的失望。我问她是否与她的爸爸谈过这件事。 她从臂弯里抬起头，告诉我，她爸爸说那些教练错了。他们根本不懂得梦想的力量。他告诉她，如果真的想到一个好的大学去打篮球，如果她真的想获得奖学金，任何东西也不能阻止她，除非她自己不愿意。他又一次跟她说：“心中有目标，风雨不折腰。” 第二年，当她和她的球队去参加北加利福尼亚州冠军赛时，她被一位大学的招生人员看中了。她真的获得了奖学金，一个全面资助的奖学金，并且进入美国全国大学体育协会其中一队女子甲组篮球队。她将接受她曾梦想并为之奋斗多年的大学教育。 是的，心中有目标，风雨不折腰。

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1 Department of Community Medicine, University of Hong Kong, 21 Sassoon Road, Pokfulam, Hong Kong, China,2 Department of Health, Student Health Service, 4/F Lam Tin Polyclinic, Kowloon, Hong Kong, China,3 Nuffield Department of Clinical Medicine, University of Oxford, Oxford OX2 6HE Introduction Passive smoking can cause death from lung cancer and coronary heart disease, but there is little evidence for associations with other causes of death in never smokers. A recent study showed increased all cause mortality with exposure to secondhand smoke at home but did not examine associations with specific causes of death and dose-response We have published estimates of the mortality attributable to active smoking in Hong Kong2 and now present the related findings on passive smoking at home. Participants, methods, and results Details of the sample selection and data collection have been Each person who reported a death in 1998 at four death registries was given a questionnaire which asked about the lifestyle 10 years earlier of the decedent and of a living person about the same age who was well known to the informant. Passive smoking was identified in the interview with the question, "Ten years ago, in about 1988, excluding the decedent/control, how many persons who lived with the decedent/control smoked" Decedents or controls who lived with one or more smokers were classed as exposed. Cause of death was obtained from the death certificate. We selected never smoking decedents and controls aged 60 years or over because there were few younger controls. To avoid selection bias, we included only cases and controls who had a living spouse at the time of reporting. We used logistic regression to derive odds ratios adjusted for age and education, and for sex when men and women were combined. What is known on this topic There is strong evidence that passive smoking is causally associated with death from lung cancer, coronary heart disease, and all causes, and also with acute stroke What this study adds The dose-response relation between passive smoking and mortality from stroke and chronic obstructive pulmonary disease, as well as from lung cancer, ischaemic heart disease, and all causes of death, strengthens the causal link We identified 4838 never smoking cases (55% male) and 763 never smoking controls (55% male). All controls were used in the analysis for each specific cause of death. We found significant dose dependent associations between passive smoking and mortality from lung cancer, chronic obstructive pulmonary disease, stroke, ischaemic heart disease, and from all cancers, all respiratory and circulatory diseases, and all causes (table). The association between mortality and passive smoking did not differ between males and females. Deaths due to injury or poisoning were not associated with passive smoking. Number of subjects who were or were not exposed to secondhand smoke at home and odds ratios (adjusted for age and education, and for sex when men and women were combined) for mortality in people aged 60 or over, Hong Kong. Values are odds ratio (95% confidence interval) unless indicated otherwise Comment Dose dependent associations between passive smoking and causes of death are consistent with previous findings for lung cancer and coronary heart disease and extend the evidence on stroke. Previous studies have shown associations between passive smoking and first acute strokes,3 4 and we have now shown a dose-response relation with mortality from stroke. Previous studies focused on ischaemic strokes but Chinese populations have a greater incidence of haemorrhagic stroke than do white populations,5 implying that many of the strokes in our study may have been non-ischaemic. Passive smoking probably affects all stroke subtypes, as does active smoking. Our finding of a 34% increase in all cause mortality is consistent with but higher than that (15%) in the New Zealand Exposure to secondhand smoke at home is higher in Hong Kong than in New Zealand due to crowded living conditions. Before the 1990s, awareness of the danger of passive smoking was lower and smokers smoked freely at home. We focused on passive smoking at home because the proxy reporter could most reliably supply these data, and we adjusted for education, which was also reliably recorded2 and is a good proxy for social class in Hong Kong. As data on cases and controls were derived from the same proxy, reporting bias should be If our results are not due to residual confounding, they provide further evidence that the dose-response associations between passive smoking and stroke and all cause mortality are likely to be causal. See Editorial by Kawachi This article was posted on on 27 January 2005: We thank W L Cheung for help with analysis; the Immigration Department of the Government of the Hong Kong Special Administrative Region for data and assistance; and, in particular, the relatives who provided information. Contributors: THL, SYH, AJH, KHM, and RP designed and carried out the study on which this analysis was based; SMcG, MS, LMH, and GNT planned and carried out this analysis; and all authors contributed to writing the paper. SMcG and THL are guarantors. Funding: Hong Kong Health Services Research Committee (#631012) and Hong Kong Council on Smoking and Health. Competing interests: THL is vice chairman and AJH a former chairman of the Hong Kong Council on Smoking and Health. Ethical approval: Ethics Committee of the Faculty of Medicine, University of Hong Kong. References Hill SE, Blakely TA, Kawachi I, Woodward A. Mortality among never smokers living with smokers: two cohort studies, 1981-4 and 1996-9. BMJ 2004;328: 988-9. Lam TH, Ho SY, Hedley AJ, Mak KH, Peto R. Mortality and smoking in Hong Kong: case-control study of all adult deaths in 1998. BMJ 2001;323: 361-2. Bonita R, Duncan J, Truelson T, Jackson RT, Beaglehole R. Passive smoking as well as active smoking increases the risk of acute stroke. Tobacco Control 1999;8: 156-60. Iribarren C, Darbinian J, Klatsky AL, Friedman GD. Cohort study of exposure to environmental tobacco smoke and risk of first ischemic stroke and transient ischemic attack. Neuroepidemiology 2004;23: 38-44. Kay R, Woo J, Kreel L, Wong HY, Teoh R, Nicholls MG. Stroke subtypes among Chinese living in Hong Kong: the Shatin stroke registry. Neurology 1992;42: 985-7.

演讲稿 并不能独立地完成演讲任务，它只是演讲的一个文字依据，是整个演讲活动的一个组成部分。演讲主体、听众对象、特定的时空条件，共同构成了演讲活动的整体。一起来看看英语1分钟 即兴演讲 范文 ，欢迎查阅!

英语即兴演讲范文1

Good morning everyone, it's my pleasure to be here and talk about dreams and ambitions with you. When I was a primary school student I wrote in my composition that I want to be a scientist when I grow up. At that age I didn't know what is a scientist, nor did I know what is dream. I wrote it because it's a standard answer for a composition test. And I know if I wrote that I want to be a peasant I would be criticized and laughed at, no matter what reason I gave it. But now in university, one of my classmates changed my idea. At the career planning class when asked about our dreams, one of my classmates stood up and said, " I want to be a peasant because I grow up in a peasant family and I love it." No laughter, no criticism, he was the only who winned a clapping.

It sets me thinking, which should be a man's dream? a scientist, or a peasant? It's not a simple question and my answer is both. This is exactly my understanding of this topic. Dreams are something we really want and are willing to try every effort to achieve, no matter how great or how small, no matter how others think, it depends on you.

Life is long, and we are just on the starting point. Finally we'll understand life is not just about making a living. There're something much more important than money and material enjoyment, that is spiritual wealth, that is dream. It's the process of your pursuit of dream, the process when you are trying, when you are seeking, when you are struggling, when you failed and restarted again and again with your determination, hardwork, and perseverance that make you, build you, and help you to lead a worthy and significative life, whether you'll achieve your dream or not, the result is not that important.

Thanks for listening!

英语即兴演讲范文2

Good morning，ladies and gentlemen. I am Tracy from Guangzhou Huamei International School. I am a shiny girl. My family love me and I love then too. Do you know how help at home? Let me tell you about that.

My mom works very hard every day. She comes home very late in the evening. Usually my dad cooks for us. Sometimes I help my dad to wash the vegetables. Sometimes I set the table. I always wash the dishes when we finish eating. After I finish my homework I often water the flowers. I also look after my pet fish. I feed the fish before I go to bed.

I really enjoy helping my partents at home. Do you think I an a helpful girl? I think so!

Thank you!

英语即兴演讲范文3

As you slowly open your eyes,look around,notice where the light comes into your room;listen carefully,see if there are new sounds you can recognize;feel with your body and spirit,and see if you can sense the freshness in the air.

Yes,yes,yes,it’s a new day,it’s a different day,and it’s a bright day!And most importantly,it is a new beginning for your life,a beginning where you are going to make new desicisions,take new actions,make new friends,and take your life to a totally unprecedented level!

In your mind’s eye,you can see clearly the things you want to have,the paces you intend to go,the relationships you desire to develop,and the positions you aspire to reach.

You can hear your laughters of joy and happiness on the day when everything happens as you dream.

You can see the smiles on the people around you when the magic moment strikes.

You can feel your face is getting red,your heart is beating fast,and your blood is rushing all over your body,to every single corner of your being!

You know all this is real as long as you are confident,passionate and committed!And you are confident,you are confident,passionate and committed!

You will no longer fear making new sounds,showing new facial expressions,using your body in new ways,approaching new people,and asking new questions.

You will live every single day of your life with absolute passion,and you will show your passion through the words you speak and the actions you take.

You will focus all your time and effort on the most important goals of your will never succumb to challenges of hardships.

You will never waver in your pursuit of all,you are the best,and you deserve the best!

As you coach and friend,I can assure you the door to all the best things in the world will open to you,but the key to that door is in your must do your part,you must faithfully follow the plans you make and take the actions you plan,you must never quit,you must never know you must do it,you can do it,you will do it,and you will succeed!Now stand firm and tall,make a fist,get excited,and yell it out:

I must do it!I can do it!I will do it!I will succeed!

I must do it!I can do it!I will do it!I will succeed!

I must do it!I can do it!I will do it!I will succeed!

英语即兴演讲范文4

everyone has his ownunderstanding of young，it is a period of time of beauty and wonders，only after you have experienced the sour ，sweet ，bitter and salty can you really become a person of time of young is limitted，it may pass by without your attention，and when you discover what has happened ，it is always too the young well means a better time is waiting for you in the near future，or the situation may be opposite .

having a view on these great men in the history of hunmanbeing，they all made full use of their youth time ，to do things that are useful to society，to the whole mankind，and as a cosquence ，they are remembered by later generations，admired by do something in the time of young，although you may not get achievements as these greatmen did ，though not for the whole word，just for youeself，for those around!

the young is just like blooming flowers，they are so beautiful when blooming，they make people feel happy，but with time passing by，after they withers ，moet people think they are so it is the same with young，we are enthusiastic when we are young，then we may lose our passion when getting older and we must treasure it ，don't let the limitted time pass by ，leaving nothing of significance.

英语即兴演讲范文5

Someone said “we are reading the first verse of the first chapter of a book, whose pages are infinite”. I don’t know who wrote these words, but I’ve always liked them as a reminder that the future can be anything we want it to be. We are all in the position of the farmers. If we plant a good seed ,we reap a good harvest. If we plant nothing at all, we harvest nothing at all.

We are young. “How to spend the youth?” It is a meaningful question. To answer it, first I have to ask “what do you understand by the word youth?” Youth is not a time of life, it’s a state of mind. It’s not a matter of rosy cheeks, red lips or supple knees. It’s the matter of the will. It’s the freshness of the deep spring of life.

A poet said “To see a world in a grain of sand, and a heaven in a wild flower, hold infinity in the palm of your hand, and eternity in an hour. Several days ago, I had a chance to listen to a lecture. I learnt a lot there. I’d like to share it with all of you. Let’s show our right palms. We can see three lines that show how our and life is. I have a short line of life. What about yours? I wondered whether we could see our future in this way. Well, let’s make a fist. Where is our future? Where is our love, career, and life? Tell , it is in our hands. It is held in ourselves.

We all want the future to be better than the past. But the future can go better itself. Don’t cry because it is over, smile because it happened. From the past, we’ve learnt that the life is tough, but we are tougher. We’ve learnt that we can’t choose how we feel, but we can choose what about it. Failure doesn’t mean you don’t have it, it does mean you should do it in a different way. Failure doesn’t mean you should give up, it does mean you must try harder.

As what I said at the beginning, “we are reading the first verse of the first chapter of a book, whose pages are infinite”. The past has gone. Nothing we do will change it. But the future is in front of us. Believe that what we give to the world, the world will give to us. And from today on, let’s be the owners of ourselves, and speak out “We are the world, we are the future.”

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