写一篇有关于健康的英语演讲稿
A healthy body is necessary for a healthy mind. As is known, to have a sound mind, we must first have a sound body. This is of vital importance. Only by keeping ourselves healthy and strong can we feel energetic and vigorous in studying and working and live a happy life. To keep ourselves fit, physical exercise is the best way. In taking part in out-door sports, we are closer to nature and can take in fresh air. The beauty of nature will keep us clear-headed, which is essential to our health. Besides, sports stimulate the circulation of blood and help to excrete the wastes in the body. Sports can also work up our appetite and activate our digestion. As a result, we can become strong-bodied. I always take an active part in physical exercise and enjoy good health. I seldom get sick but feel vigorous even if I work a whole day Dong. I shall keep up doing physical exercise so as to live longer and do more for the country. A healthy body is the prerequisite for a healthy mind. As we know, the physical health is of great importance to our sound mind. Without it, the health of our minds is just like castle in the air. Only with a healthy and strong body can we live energetic and vigorous life. The most efficient way to keep ourselves fit is exercise. In taking part in out-door activities we can breathe the fresh air in nature. In addition, it can stimulate the circulation fo blood and sped up the excretion of the wastes in our bodies. Sports will work up appetite and d o good to our digestion. In the same time, we become closer to nature which will help us keep a clear mind in thinking. So naturally we will have a strong and healthy body. As far as I am concerned, I am always very active in taking part in various physical exercise and I enjoy good health. Most of the time I feel energetic and vigorous even after I work for a whole day. I will keep up taking exercise to have a longer and better life
求英语演讲比赛的演讲稿，中学组的 三篇最好是范文
48.英语演讲稿：创新思维 Honorable teachers, ladies and gentlemen, and my fellow sutdents: Good morning! It’s my pleasure to stand here to make a speech. First of all , let me introduce myself. My name is TongYao. I am from Class 2 Grade 7 in ChengGong middle school ! Today , my topic is : “Innovative Thinking” Have you ever thought that what is Innovative Thinking ? Somebody will said ,“thinking something different !” In fact, it’s not so simple. Have you ever thought how to think something different ? Now , let me explain it to you in detail ! First , we should admit that Innovative ideas do start in one mind before taking on the world. Only in this way ,we have the power of Innovation . For example , the radio, television, telephone and so on, all were developed by scientists . And these scientists all had the ability and courage to think something different . It is a well know fact that Albert Einstein was the mastermind of the nuclear bombs . Second , we should be good at discovering , and be able to break the conventions. Sometimes, there are a lot of subjects of Innovation around us . But more often we lack the ability of discovering So, only if we be good at discovering and summing up ,we can innovate . Finally, I want to say , as a middle school student in the new century, we must have the courage and confidence to make innovations.)And we should study hard for development of our country ! Because we are the builders of our motherland !Honorable teachers, ladies and gentlemen, and my fellow sutdents， according to what I have said above , have you learnt more about the “Innovative Thinking” ? Of course ,you have ! I believe my speech is perfect ! And I also believe that as long as we expand our thinking , we will find something different . That’ s all ! Thank you for your listening!尊敬的老师，先生们女士们，以及我的各位同学们：大家早上好!很高兴我能站在这里为大家演讲.首先，请允许我进行一下自我介绍，我的名字叫童尧。
我来自成功中学的七年级2班! 今天，我演讲的题目是：创新思维)。
请问你们曾经想过什么是创新思维吗?也许有人会直接说，“就是想一些不一样的东西!”事实上没这么简单。
那么你有没有想过如何去想一些不一样的东西呢?那么现在，就让我为你仔细的解释一下吧! 首先，我们应该承认：创新思维的确是先在人的思想中产生，然后再发生在这个世界中。
只有这样，我们才有创新的动力。
举个例子，收音机、电视机、电话等都是由科学家发明的并且，这些科学家都有能力和勇气去想一些不一样的东西。
譬如说众所周知的爱因斯坦就是原子弹的发明人。
其次，我们应该善于发现，并且能够打破常规。
有时候，我们身边就有很多创新的素材，但更多的时候我们却缺乏发现的能力。
所以，只有我们善于发现，善于总结，我们才会发明创新。
最后，我想说，作为新世纪的中学生，我们应该有勇气和信心去开拓创新!(并且，我们应该为了我们祖国的发展而努力学习!因为，我们是祖国的建设者尊敬的老师，先生们女士们，以及我的同学们, 通过我以上的陈述你们对创新思维有了更多了解了吗? (当然，我认为这是肯定的! 因为我相信我的演讲是很成功的并且我相信只要我们拓展我们的思想，我们就能发现一些不一样的事物。
我的演讲完毕，谢谢你们的聆听!49.英语演讲稿：health健康We care about ourselves more and more. We eat what's right and we exercise. We absolutely embrace health. However, it is not only our health that we should embrace, though many of us do not realize that. Many of us do not realize that the earth we live on is a fragile being that needs to be protected like a new born child. We probably haven't even noticed, that with each stride the civilization takes toward the ultimate development, more burdens are added to the earth that provides us with essentials to live. The decrease in air quality, the climate change, medical waste, noise and water pollution, and even food poisoning has added to the list of growing concerns to our living environment. Human are not supernatural beings, thus these problems have affected pretty much every matter. We upgrade gadgets and make full use of newer technologies, but we pay for the consequences in turn. For instance, the advent of batteries and machinery has caused million tons of water become toxic and undrinkable, further aggravating the already serious condition of water shortage and poisoning in several countries. The over-production and over-use of transportation vehicles and electricity has contributed to the Global Warming and caused myriads of species to disappear from the face of the earth due to home-loss and temperature change. We have brought wonders to the world, but have also destroyed miracles of nature. We are concerned about our nutritional intake and exercise all the time, so why shouldn't we care about the conditions of our living planet as well? Time is ticking on. We shouldn't put off the whole save the environment affair any longer. Please, do what feels right in our hearts, even though it is only a tiny matter. Save up resources, promote the recycling and reusing of products, and always remember to take some time off going into the woods and breathe in the sweetness in the air. We have come from the woods, thus we would all have a secret desire in our hearts to harmonize with nature again. Remember, every little thing matters. 我们关心自己越来越多。
我们吃什么的权利和我们的工作。
我们绝对拥抱健康。
然而，它不仅是我们的健康，我们应该接受，但我们中许多人没有意识到这一点。
我们中的许多人没有意识到，我们生活在地球上是一个脆弱的，需要加以保护，就像一个新出生的孩子。
我们可能还没有注意到，这与每个大步走向文明需要的最终发展，更多的负担增加的地球为我们提供了必备的生活。
减少了空气质量，气候变化，医疗废物，噪音和水污染，甚至增加了食物中毒的名单越来越关注我们的生活环境。
人权不是神仙，从而造成这些问题的影响非常每此事。
我们升级产品，并充分利用新技术，但我们付出的后果反过来。
举例来说，电池的到来和机械已造成万吨的水变成有毒和报废，这进一步加剧本已严重的水资源短缺和中毒的几个国家。
过度生产和过度使用的运输车辆和电力促成了全球变暖，并造成无数物种消失从地球的表面上，由于房屋损失和温度变化。
我们带来了奇妙的世界，而且还摧毁了大自然的奇迹。
我们关心的是我们的营养摄入量和锻炼的时间，为什么不应该我们关心我们的生活条件的星球呢? 时间在流逝的。
我们不应该推迟整个“保存环境”的事了。
请给我什么感觉权在我们的心中，尽管它只是一个小问题。
节省资源，促进了回收和重复使用的产品，并永远记住采取一些休息时间进入伍兹和呼吸在空气中的甜味。
我们有来自树林，因此，我们都将有一个秘密的愿望在我们的心中，协调人与自然的。
请记住，每一个小东西事项。
50.关于如何学习英语的演讲稿We have been learning English for over 6years and really love it. English is one of the most important langnages in the world. It’s necessary for us to learn it well .How do you study? Everyone learns English in different ways. I think the best way to improve your English is to improve your English skills. They are listening reading and writing. We should practice them every day. we should remember more words and grammar. Reading more English story books or novels Watching more English cartoon TVs or movies.Listening English tapes and repeating after the speaker. Second you are not afraid to make any mistakes you speak English as much as possible.Third you ask the teachers when you don’t understand any knowledge .It’s very good for you if you are interested in Egnlish . You will find studying Egnlish is interesting and helpful. One more thing remember “Practice makes perfect”! I hope everyone makes progress. Thanks! 我们一直在学习英语的超过六年，真正喜欢它。
英语是最重要的一个语言世界。
这是我们必须学习好。
你怎么学习?每个人学习英语的方式不同。
我认为最好的方式提高您的英语是提高您的英语技能。
他们是听读，写。
我们应该实践他们每天。
我们应当记住更多的单词和语法。
读更多的英文故事书或小说看更多英语卡通电视或电影.听英语磁带和重复后发言。
第二你不害怕任何失误你讲英语尽可能多的。
第三你问老师时，你不理解的任何知识。
这是非常好的为您如果您有兴趣英语。
你会发现学习英语是有趣和有益的。
还有一件事记得“熟能生巧” !我希望每个人都取得进展。
谢谢!中学生英语三分钟演讲稿Good morning,dear teacher and my friends. it’s a very intresting topic today. I think my Dad was a hero for me when I was a young child. We'd go fishing, walks, and other fun things for a kid. Every child has a good and great father, and so do I. My dad played a very important role in my daily life`````exactly speaking, in my past 16 years. My father always stands in the center of my life， from past till now and possibly in the future. My family was rather poor when I was in my childhood. We didn't have our own house and had to live in a shabby， small room rented from my father's factory. The room was so small that there was little space for people to walk. I didn't have my own bed and had to sleep with my parents. This is terrible both for my parents and me. But father made this all different!he works very hard on his own business, now we have our own 2 housese,surly,I have my own room.and he take our family so much happiness, richer and richer. When I was little, I did everything with my dad. You could always find me sitting on his knee or walking and doing everything with him. Every night he would read me a bed time story and make the voices of each character. I learnt a lot from my daddy. I learnt to never take things to seriously and to always smile. Like many other fathers, my dad and I also has generation gap. He is not good at or even can’t work the computer. So when I sitting at the computer desk,he will say something like ‘you should pay more attention to your study’, ‘don’t waste time on the computer games’ , ‘it will be bad for your eyes’ and so on. How can I- a computer fan – reduce time on computer? So I continue studying and playing on it Years pasted, my father is over 45 now. It is time for me to look after him and I am sure I will do and we will live an even better life. and i will say,i really love you dad,cause you are the hero in my mind. Thank you so much! 早上好，亲爱的老师和我的朋友。
这是一个非常有兴趣话题今天。
我想我的爸爸是英雄，我当我还是一个年轻的孩子。
我们希望在这里钓鱼，散步，和其他有趣的事情的一个孩子。
每个孩子都有一个良好的和伟大的父亲，所以我爸爸一发挥了十分重要的作用在我的日常生活`````确切地讲，我在过去16年。
我父亲总是对我站的中心，我的生活，从过去到现在，并可能在将来。
我的家庭是穷人，而当我在我的童年。
我们没有我们自己的房子，并生活在一个简陋的小房间租给从我父亲的工厂。
房间如此之小，几乎没有空间，人走。
我没有我自己的床上睡觉了我的父母。
这是可怕的都是我的父母和我。
但是，父亲这一切不同的!他的作品很难对自己的业务，现在我们有自己的2 housese ，阴沉的，我有自己的房间.和他把我们的家庭如此大的快乐，丰富。
小时候，我做的一切都是我的爸爸。
你总是可以找到我坐在他的膝盖，或步行，并尽一切与他。
每天晚上，他将宣读我的床上时间的故事，使声音的每个字符。
我学到了很多我的爸爸。
我学到的东西来从未采取严肃，始终微笑。
如同许多其他的父亲，我父亲和我也有代沟。
他并不擅长，甚至不能工作计算机。
因此，当我坐在电脑桌，他会说像'你应该更加注意你的研究' ， '不要浪费时间在电脑上的游戏' ， '这将是坏的你的眼睛' ，等等。
我怎么给电脑风扇-减少时间上的电脑吗?所以，我继续研究和发挥它 几年粘贴，我的父亲现在是超过45人。
现在是时候了，我要照顾他，我相信我会做，我们将生活更美好的生活。
我会说，我真的爱你爸爸，你是事业的英雄在我的脑海。
太感谢你了!
英语演讲比赛稿(带中文翻译)
第一篇：（简单的）Ladies and Gentlemen , Good afternoon! I’m very glad to stand here and give you a short speech. today my topic is “Life”. I hope you will like it , Man’s life is a process of growing up, actually I’m standing here is a growth. If a person’s life must constituted by various choices, then I grow up along with these choices. Once I hope I can study in a college in future, however that’s passed, as you know I come here, now I wonder what the future holds for (= what will happen to) me. When I come to this school, I told to myself: this my near future, all starts here. Following I will learn to become a man, a integrated man, who has a fine body, can take on important task, has independent thought, an open mind, intensive thought, has the ability to judge right and wrong, has a perfect job. ?? Once my teacher said :” you are not sewing, you are stylist; never forget which you should lay out to people is your thought, not craft.” I will put my personality with my interest and ability into my study, during these process I will combine learning with doing. If I can achieve this “future”, I think that I really grow up. And I deeply believe kindred, good-fellowship and love will perfection and happy in the future. How to say future? Maybe it’s a nice wish. Lets make up our minds, stick to it and surely well enjoy our life. 先生们小姐们，大家下午好
我非常荣幸站在这里为你们带来一段小小的演讲，我今天所要讲的主题是“生命”，我希望你们喜欢。
人们的生活正在逐步的改善着。
实际上，我站在这里就正在成长。
如果一个人的生命必须面对许多各种各样的选择，那么，我会一边选择，一边成长。
曾经我希望我能在将来在大学里学习，不管怎么样，我考过了，如你所见到的，我现在正站在这梦寐以求的大学里，可是现在，我更渴望知道我的未来会有什么等着我。
当我来到这所学校的时候，我告诉我自己。
我的将来就从这里开始，接下来，我要学着去成为一个男人，一个
的男人，并有一个健康的身体。
能够胜任重任，能有独到的见解，能见识广泛，能思想深邃，能判断出对的和错的，能工作的非常出色。
我的老师曾经说过：“你不闭塞，你可以自成流派。
永远不要忘记你所能展示给人们是你的思想，不是你的技术。
”我将把我的人格和我的兴趣以及我的能力带到我的学习中去，在这个过程中，我将注重实践和理论的结合。
如果我能实现我的这个梦想，我想，我那时就真正的长大了，那时我相信我的亲情，友情，爱情将会变的十分完美，十分幸福。
你对你的将来怎么看呢
可能那会是一个很美好的愿望。
让我们坚定我们的目标，为之努力，并真正的享受我们的生命第二篇：稍难,而且比较长，你可以根据中文掐掉一些修饰的段落，精简一下。
是篇好文章。
Objectively SpeakingPeople in this world can be divided into two categories: those always working and those always making comments. The working ones never have time to idle away. Some may run a hotel, or do some business; some may open a factory or set up a school; others may be absorbed in scientific research, or devoted to military affairs or political issues. Right or wrong, successful or failed, they are always fully committed to their careers. Facing all kinds of risks(not because they neglect them, but mainly because they have the courage), and shouldering the responsibilities, they march forward, bravely and cautiously. They are risking their luck and their lives as well. They have neither time nor energy to comment on others. While attentively planning the future, they devote themselves wholly in hard work, leaving the embroidered stories and malicious gossips flying in the air. The commenting ones, however, usually work less, and even if they want to work sometimes, they simply are not capable enough. They are no better than anyone, but show admiration to nobody either. They blame either the heaven, or the earth, but never themselves. They dare not to take any risks, but they are also afraid of any hard work. They are gossip-mongers, making stories and spreading rumors, making you feel annoyed and upset. It’s not because that you have hurt them, or disturbed them, or hindered them, but because you are working. If only you are working, he is there commenting. Everything is hard at the beginning. You have just started a new cause, needing encouragement and support, yet he is there pouring a jar of cold water or blowing a gust of chilly wind, making you worried or perplexed. But once you have succeeded, he is there again sharing your success without feeling a little ashamed of the discouragement he had given you.Many people don’t like using their mind but enjoy echoing the views of others. They often take it for granted that the working ones are wrong while the commenting ones are definitely right. However in all fairness, how can it be true? Not working itself is already wrong, and it is a blunder to hurt the hard working people.From ancient time to the present, many great men have been commented on endlessly. Take the cases of Confucius, Emperor Qinshihuang, Empress Wu Zetian, Gengis Khan, Dr. Sun Yet-sun, Chairman Mao, Deng Xiaoping, etc.. Both positive and negative criticism have been made about them. They not only enjoyed compliments but also suffered slanders from all over the world.When commenting on what’s right and what’s wrong, the commenting ones themselves don’t really know what is wrong and what is right. They are simply demanding perfection. When criticizing the others’ inability, they themselves are actually unable to do anything, but simply pretending that they know better. This can well be compared with the actors and spectators. A new program is always followed by large amounts of criticism from the spectators. But if a spectator is given a chance to perform, a disaster will surely happen. Diners are always commenting on the skills of the chefs while readers are always criticizing the writers. Another case in point is the forty-chapter sequel of A Dream of the Red Mansions, which were written by Gao E who did a nearly perfect job. Nevertheless there are always such people who claim to be the experts on the novel, criticizing the latter forty chapters as a wretched sequel to a fine work. What if we ask them to write the sequel? I’m afraid they can only make it worse. It’s easier said than done.Capable and wealthy people are always the focus of the society. Capable people are usually marching ahead of others and may not be properly understood, hence causing various kinds of comments, more criticism but less support; Capable people can easily succeed, thus causing both admiration and comments, more jealousy but less appreciation (only their good luck is recognized); Capable people can be sought for help and attract the attention of the society, thus causing a lot of comments, more complaints but less gratitude (even though they didn’t ask anyone for help, if only they were not able to help others in a satisfactory way, it’s already their fault);Capable people can also suffer setbacks (some even experience ups and downs many times), experiencing fully the warmth and coldness of the human world, more hurts but less helps.Wealthy people are non the easier. No doubt there are cruel-hearted rich men, but it is also wrong to think that no wealthy people are kind-hearted. They are capable of devising and managing and they often need to take risks to get the chance. But who care about these?Whenever a group are dining or entertaining, everyone will take it for granted that the rich should pay the bill instead of going Dutch. If the rich doesn’t pay, then he’ll definitely be regarded as a miser;Among good friends and relatives, the rich should often help the poor, otherwise he will surely be blamed for his cruel-heartedness;From the ancient times, people have been used to killing the rich to save the poor, without thinking about how the rich became rich and the poor stayed poor. The policy of “allowing some people to get rich” has balanced people’s mind to some extent, but there is still a long way to go before we can get rid of “the hatred toward the wealthy”.Capable people or rich people are just human, neither sages nor perfect men. They have their own faults, and they may also commit mistakes. But objectively speaking, some mistakes are forced on them, which are the expectations of the public. They are expected to do this or that, but when expectations become disappointments, they have to take the blaming. In fact, it’s the public’s fault to demand for perfection or counting on unrealistic expectations of the rich.I encourage people to work, even though they may commit mistakes.I advise those enjoying commenting to make some effort to do something for the others. I hope people can make comments objectively instead of subjectively, without going to extremes, and not out of preference. I also hope that the hard-working people do not care too much about what the others say, even what the others criticize. You should believe that public opinions will finally decide what’s right and what’s wrong. What we need is just time. 平心而论 （中文翻译）世界上总有一些人在做事，总有一些人在说事。
做事的人不闲着，或者包个饭店，或者搞个买卖，或者办个工厂，或者建个学校，或者专心科研，或者从军从政。
也许对，也许错；也许成功，也许失败，但很投入。
他们担着天下的风险（并非都是忽略，大多还是敢于面对），扛着双肩的责任，奋然前行，又战战兢兢，常常是在赌运、也赌命。
他们没有时间去说别人的事，也没有精力去理会别人的事。
他们抬头看路，埋头做事，任由别人的飞短流长。
说事的人，常常是不大做事。
或者也曾经想做事，但做不来。
他们可能谁都不如，但又谁都不服。
怨天怨地，不怨自己。
他们不敢担任何的风险，又不肯出少许的力气。
一件事，他们能从头说到尾。
先是乌鸦叫，后来喜鹊噪，一会一变脸，令你心烦闹。
并不是你伤害了他，并不是你干扰了他，并不是你阻碍了他。
但只要你在做事，他就会来说事。
万事开头难。
当你刚刚起步，正需要鼓励与支持的时候，他会一盆凉水，一股阴风，让你浑身不舒服。
而一旦你业有所成，他又会满面春风地来分一瓢羹，好象不曾给过你那片下雨的乌云。
世上有许多人不喜欢动脑，却习惯于人云亦云。
他们常以为错在做事的人，理在说事的人。
但平心而论，怎么会这样呢
不做事，本身就是错。
再打击做事的人，不是错上加错嘛
从古至今，许多能人，伟人，都被无休无止地评论着。
如、、、、、、等，说是的有，说非的也有。
也堪称誉满天下，谤满天下。
说人是非，并非明白是非，不过是求全责备而已。
说人不行，未必自己真行，不过装腔作势而已。
就如演员与观众，每个节目出来，都会有一大堆褒贬。
但真让观众上台，可能又演不成了。
食客总是在评论厨师的手艺，读者总是在评论作者的长短。
再如的后四十回，乃所续写。
公平地说，几近天衣无缝。
但就有那么些人，甚至打着红学家的招牌，一定要说后四十回怎么不行，怎么狗尾续貂。
真不行吗
就让这几位“红学家”写写看，他们恐怕连鼠尾都拿不出来。
侃山容易，搬山难啊。
能人、富人，永远都是社会的焦点。
能人可能超前，为世人所不理解，会引起议论纷纷，支持的少，攻击的多。
能人可能成功，引起世人的羡慕，也会引起众多评论，佩服的少，嫉妒的多。
（只承认你的运气和侥幸）能人可能被求助，受到世人的关注，从而导致事后的品评，感谢的少，抱怨的多。
（你没有求人，但别人求你的事没办或没办好，都是你的错。
）能人也会遭遇挫折，（有人甚至三起三落）感受人心的冷暖，洞知世态的炎凉，帮扶的少，推墙的多。
富人也不轻松。
固然也有为富不仁者，但也不能说所有的富者都不仁。
他们还有经营能力和运作手段，并且常常要充满冒险地去把握先机。
但谁管这些
一群人吃饭或游乐，大家一定会认为要富者买单，而不是AA制。
如果你不买，那就是吝啬。
在亲朋好友的圈子里如果有富者，那就必须经常周济他人，否则就会被指责无情无义。
自古就有“杀富济贫”，不管富是怎么富，贫是怎么贫。
允许一部分人先富起来的政策，让人们的心态好多了。
但仇富观念的消除，还要漫长的历程。
能人、富人都是人，既不神圣，也非完人。
他们都有自身的毛病，也会犯各种错误。
但平心而论，还有一种错误是别人强加的，那就是众人的期望。
期望他们这样，期望他们那样，期望变成了失望，就成了他们的错。
对他们求全责备也好，对他们非份希求也好，其实都不应算作他们的错。
我主张鼓励做事的人，哪怕他们真的有错。
我奉劝说事的人，自己也努力去做些可做的事。
我希望人们能平心而论天下事，不要偏激，不要掺杂个人的恩怨，不要取舍于个人的得失。
我更希望做事的人，不要太在意别人一时怎么说、甚至怎么骂。
要相信，是非自有公论，只是个时间问题。
帮我找一篇关于健康的英语演讲稿，三分钟左右，大学四级水平
Soy food good for womenWomen who ate soy regularly as children have a lower risk of breast cancer, American researchers report. And men who eat fish several times a week have a lower risk of colon cancer, a second team of researchers have told the American Association for Cancer Research. The studies add to a growing body of evidence about the role of diet in cancer. Cancer experts now believe that up to two-thirds of all cancers come from lifestyle factors such as smoking, diet and lack of exercise. The US National Cancer Institute and researchers at the University of Hawaii found that women who ate the most soy-based foods, such as tofu and miso, when aged 5 to 11, reduced their risk of developing breast cancer by 58 per cent. It was not clear how soy might prevent cancer, though compounds in soy called isoflavones have estrogen-like effects. A second study showed that men who ate fish at least five times a week had a 40 per cent lower risk of developing colorectal cancer compared with men who ate fish less than once a week. Many kinds of fish are rich in omega-3 fatty acids, which interfere with the cyclooxygenase-2 or COX-2 enzyme. COX-2 affects inflammation, which may play a role in tumour growth.据美国研究人员报告，儿童时期经常吃豆类食品的女性患乳腺癌的风险较小。
另一组研究人员则向美国癌症研究协会提出，一周吃几次鱼的男性患结肠癌的几率较小。
这两项研究进一步证明了饮食对于防癌的作用。
癌症防治专家认为，在所有种类的癌症中，多达三分之二都是由吸烟、节食及缺乏锻炼等不健康的生活方式造成的。
美国全国癌症研究所和夏威夷大学的研究人员发现，在5岁至11岁时经常吃豆腐、味噌等豆类食品的女性患乳腺癌的几率要低58%。
至于豆类食品为什么可以防癌还不清楚，不过大豆中所含的名叫异黄酮的化合物具有雌性激素的作用。
另一项研究表明，一周吃鱼至少五次的男性患结肠癌的风险要比那些一周都吃不到一次鱼的男性低40%。
很多鱼类中所富含的Omega-3脂肪酸能够抑制环氧化酶2的活性。
环氧化酶2会引起发炎，这可能会刺激肿瘤的生长。
If you're middle-aged and your memory's not what it used to be, check the bathroom scale, researchers warned, suggesting overweight people tend to score more poorly on tests of memory than their thinner peers do. The findings suggest that a heavier weight in middle age may mean a higher risk of dementia later in life. Reporting in the journal Neurology, the researchers speculated that higher rates of cardiovascular disease or diabetes might help explain the link. But it's also possible that substances produced by fat cells, such as the hormone leptin, have direct effects on the brain. The study compared mental abilities to body mass index (BMI), a measurement of weight in relation to height used to define overweight and obesity. A BMI of 25 or more indicates overweight, and 30 or more is obese. The study also investigated the relationships between BMI and cognitive function in 2,223 healthy men and women between the ages of 32 and 62 in France through the use of four cognitive tests. The study found a higher BMI was associated with lower cognitive test scores. Results from a test involving word memory recall show people with a BMI of 20 remembered an average of nine out of 16 words, while people with a BMI of 30 remembered an average of seven out of 16 words. 研究人员提醒，如果你已步入中年，发现自己的记忆力不如从前，那么你得小心体重了。
研究表明，超重的人记忆测试的得分要比较瘦的人低。
研究发现，体重偏大的中年人今后患老年痴呆症的可能性较大。
研究报告在《神经学》期刊上发表，研究人员推断，心血管疾病及糖尿病的高发现象可以解释其中的原因。
此外，脂肪细胞所产生的物质，如瘦体激素，对大脑有直接影响。
此项研究将调查对象的智力与体重指数进行了对比。
体重指数指的是身高和体重之间的比例，主要用来衡量一个人是否偏胖或肥胖。
体重指数为25或25以上的人偏胖，达到30或30以上的人则为肥胖。
研究人员还对体重指数和认知功能间的关系进行了研究，他们在法国对2223位年龄在32岁至62岁间的健康男女进行了认知测试。
研究发现，体重指数越大，认知测试的得分越低。
其中一项单词记忆的测试结果表明，在16个单词中，体重指数为20的人平均能记住9个，而体重指数为30的人平均只能记住7个。
People who do not get enough sleep are more than twice as likely to die of heart disease, according to a large British study released Monday.Although the reasons are unclear, researchers said lack of sleep appeared to be linked to increased blood pressure, which is known to raise the risk of heart attacks and stroke.A 17-year analysis of 10,000 government workers showed those who cut their sleep from seven hours a night to five or less faced a 1.7-fold increased risk of death from all causes and more than double the risk of cardiovascular death.The findings highlight a danger in busy modern lifestyles, Francesco Cappuccio, professor of cardiovascular medicine at the University of Warwick's medical school, told the annual conference of the British Sleep Society in Cambridge.A third of the population of the UK and over 40 percent in the US regularly sleep less than five hours a night, so it is not a trivial problem, he told reporters.Previous research has highlighted the potential health risks of shift work and disrupted sleep. But the study by Cappuccio and colleagues, which was supported by British government and US funding, is the first to link duration of sleep and mortality rates.The study looked at sleep patterns of participants aged 35-55 at two points in their lives - 1985-88 and 1992-93 - and then tracked their mortality rates until 2004.The results were adjusted to take account of other possible risk factors such as initial age, sex, smoking and alcohol consumption, body mass index, blood pressure and cholesterol.Cappuccio said it was possible that longer sleeping could be related to other health problems such as depression or cancer-related fatigue.In terms of prevention, our findings indicate that consistently sleeping around seven hours per night is optimal for health, he said.(Agencies) 本周一公布的一项大规模英国调查表明，睡眠不足的人死于心脏病的几率是睡眠充足者的两倍多。
目前其中的原因尚不清楚，但研究人员称，睡眠不足会导致血压升高，从而增大患心脏病和中风的风险。
一项针对1万名政府职员、长达17年的跟踪调查表明，每晚睡眠时间从七个小时减少到五个小时或更少的人因各种原因而死亡的几率是睡眠正常者的1.7倍，而且死于心血管疾病的风险也增加了1倍多。
沃里克大学医学院的心血管药物学教授弗朗西斯哥•卡普西奥在英国睡眠学会在剑桥召开的一年一度的研讨会上说，这一研究成果揭示了忙碌的现代生活中潜在的危险。
他在接受记者采访时说：“三分之一的英国人以及超过40%的美国人每晚的睡眠时间常常达不到五个小时，所以这个问题不可小视。
”此前有调查发现轮班及睡眠中断会对健康产生潜在威胁。
但卡普西奥及其同事的这项调查则首次揭示了睡眠时间长短与死亡率之间的关系。
该调查由英国政府和美国基金提供资助。
该调查对年龄在35岁至55岁之间的人在1985年至1988年以及1992年至1993年两个阶段的睡眠模式进行了探究，并对这一人群截至2004年的死亡率进行了追踪。
调查还考虑到了调查对象的初始年龄、性别、是否吸烟喝酒、体重指数、血压及胆固醇指标等其它可能的风险因素。
卡普西奥说，睡眠时间过长也可能导致如抑郁症及癌因性疲乏等其它健康问题。
他说：“就预防而言，我们的研究结果表明，每晚睡眠时间持续保持在七小时左右最益于身体健康。
”
我想要一段英语口语比赛演讲稿!!速求速求!!
Awards Michael Schumacher won the coveted Laureus World Sportsman of the Year award in 2002 and 2004 for his outstanding performance in the 2001 and 2003 seasons respectively. In its 7-year history, noone has been nominated more times than Schumacher, who also received nominations for the 2001, 2003 and 2005 awards.
英语演讲比赛5分钟范文
自己删减一下吧I LOVE ENGLISHDear teacher and classmates:I am very glad to make a speech here in this class again! This time, I\\\\‘d like to talk something about English. I love English. English language is now used everywhere in the world. It has become the most common language on Internet and for international trade. Learning English makes me confident and brings me great pleasure.When I was seven, my mother sent me to an English school. At there, I played games and sang English songs with other children 。
Then I discovered the beauty of the language, and began my colorful dream in the English world.Everyday, I read English following the tapes. Sometimes, I watch English cartoons. On the weekend, I often go to the English corner. By talking with different people there, I have made more and more friends as well as improved my oral English. I hope I can travel around the world someday. I want to go to America to visit Washington Monument, be cause the president Washington is my idol. Of course, I want to go to London too, because England is where English language developed. If I can ride my bike in Cambridge university, I will be very happy.I hope I can speak English with everyone in the world. I\\\\‘ll introduce China to them, such as the Great Wall, the Forbidden City and Anshan. I know, Rome was not built in a day. I believe that after continuous hard study, one day I can speak English very well. If you want to be loved, you should learn to love and be lovable. So I believe as I love English everyday , it will love me too.
