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Schoolmates:
When you look the lovable animated cartoon, plays is in a stew human's computer games, rides the fast train, is answering transoceanic telephone time, only your might once realize the science the strength, the science changed this world, also changed our life, the science side
Opens for the 20th century the grand chapters, not only we discovered the humanity to experience the blood and the fire baptism in these hundred years, has created the innumerable scientific 19th century France famous science fiction writer of fiction verne fictionalizing, at that time let the human be inconceivable, he fantasized moon landing travel, the airplane, the long-range gun and so on, all 11 became the reality in the 20th In the 21st century today, the high tech is
As cross-century one generation, how posture should we adapt the new century by, the load get up the new century heavy burden? Not only science and technology changing with each new day, causes the science to serve for the most advanced technique, also more and more many seeps to during ours daily life, this needs us who is in the young people time to deeply love the science, the study Participation science and technology “five small” competition, reading science and technology books, caused me to understand many The precise robot, does not use the fuel the automobile, the hypothesized soccer game, high tech information transmission and so on, each one vivid interesting phenomena, aroused me to explore the science the
Our each people all want to study the science, the dissemination civilization, while enjoys the new life, must create the new life, now, the technical product renewal speeds up unceasingly, the visible television, the computer surfer, the pacemaker, already did not calculate was Vacuum cleaner invented which from 1901, to the artificial earth satellite, carried the human spaceship, the science and technology demonstrates the formidable strength in the different Electronic industry, communication technology daily popularization, nanotechnology, superconductivity material widespread application, soon one day, perhaps in yours dinner table, can appear likely bio-engineering foods and so on outer space green pepper, man-made Studies the science and technology, is not merely in order to become the scientist, also is for can adapt the life, more has been able to become the new century the master, the load gets up the new century, is the national construction, makes the contribution for the human
Since new China had been established, our country's technical development progresses by leaps and bounds, the synthesized insulin, finishes a job plants, the hybrid rice again, explodes atomic bomb and hydrogen bomb, launch satellite and airship and so on, these technical achievement which focuses attention on the common people, reduced our country and the advanced countries science and technology disparity greatly, has poured into the vigor for our country's Grandpa Deng Xiaoping said “the science and technology is the first productive forces”, indeed so, the science has inserted the wing for our motherland Chairman Mao Zedong once said to the youth that, the world was you, also is we, but is your in the final This speech, has been full of the elders to our earnest If the elders have constructed the 20th century motherlands with the industrious work, that, we should by the knowledge, get up the new century heavy burden by the scientific
Schoolmates, we are being at the growth developmental stage, the study science, lets us start since We must learn each kind of literacy class diligently, because this is all study foundation; At the same time, to each kind the popular science books, the publication which suits our elementary student to look, should better read some in the after school; Also should begin to do each science small experiment, the small manufacture positively, writes the science small paper and so on, raises to the science Long this gets down, we can certainly deeply love the science, has the rich scientific Humanity's wisdom is infinite, regardless of is US's Challenger number detonation, the whole world computer virus' promotion, always all cannot prevent humanity's advance in “The knowledge is the strength”, Bacon this sentence enjoys great popularity the maxim did not know had driven how many earnestly seeks the knowledge Now, lets us also use it to encourage oneself, makes one to deeply love the science the new generation, the load gets up the new century heavy responsibility, for our motherland tomorrow, will compose a more magnificent poem!
Thanks
同学们：
当你们看着可爱的动画片，玩着迷人的电脑游戏，坐上快速的列车，接听着越洋电话的时候，……你可曾意识到科学的力量，科学不仅改变了这个世界，也改变了我们的生活，科学就在我们身边。
翻开20世纪的壮丽篇章，我们发现人类在这百年中不仅经历了血与火的洗礼，更创造了无数科学奇迹。19世纪法国著名科幻小说家凡尔纳的虚构，当时让人不可思议，他所幻想的登月旅行、飞机、远射程炮等，在20世纪都一一成为现实。在21世纪的今天，高科技更是无处不在。
作为跨世纪的一代，我们又该以怎样的姿态去适应新世纪，担起新世纪的重担呢? 科学技术的日新月异，使得科学不只为尖端技术服务，也越来越多地渗透到我们的日常生活之中，这就需要正处于青少年时代的我们热爱科学，学习科学。参加科技“五小”比赛、阅读科技书籍，使我明白了许多道理。精密的机器人，不用燃料的汽车，虚拟的足球赛，高科技信息的传送等等，一个个生动有趣的现象，激起了我探索科学的愿望。
我们每个人都要学习科学，传播文明，在享受新生活的同时，更要创造新生活，如今，科技产品的更新换代不断加快，可视电视、电脑上网、心脏起搏器，已经不算新鲜了。从1901年发明的真空吸尘器，到人造地球卫星、载人宇宙飞船，科技在不同领域里显示出了强大的力量。电子产业、通讯技术的日益普及，纳米技术、超导材料的广泛应用，不久的一天，也许就在你的餐桌上，会出现像太空青椒、人造牛排等生物工程食品。学习科学技术，不仅仅是为了成为科学家，也是为了能适应生活，更为了能成为新世纪的主人，担起新世纪，为国家建设，为人类文明做出贡献。
新中国成立以来，我国的科技发展突飞猛进，人工合成胰岛素、断手再植、杂交水稻、爆炸原子弹和氢弹、发射人造卫星和飞船等等，这些令世人瞩目的科技成就，大大缩短了我国和先进国家的科学技术的差距，为我国的现代化建设注入了活力。如果说长辈们用辛勤的劳动建设了20世纪的祖国，那么，我们就应该以知识、以科学担起新世纪的重担。
同学们，我们正处于成长发育阶段，学习科学，让我们从小做起。我们要努力学好各种文化课，因为这是一切学习的基础;同时，对各种适合我们小学生看的科普书籍、报刊，最好在课余多阅读一些;还应该积极动手搞各种科学小实验、小制作，写科学小论文等，培养对科学的兴趣。长此下去，我们一定能够热爱科学，拥有丰富的科学知识。 人类的智慧是无限的，无论是美国的挑战者号爆炸，还是全球计算机病毒的升级，从来都不能阻止人类的科技进步。“知识就是力量”，培根这句脍炙人口的格言不知激励了多少渴求知识的人。如今，让我们也用它来勉励自己，做一个热爱科学的新一代，担起新世纪的重任，为我们祖国的明天，谱写出更加辉煌的诗篇!
谢谢大家。
No one，regardless of race, religion or nationality, can deny that the world we live in is becoming increasingly intolerable because of the effects of global warming. According to many experts, even greater impacts are still on the way.There are numerous causes for this problem. On one hand, human-related emissions of carbon into the atmosphere is causing, and will in the future cause, significant global warming according to the theory. On the other hand, the lack of knowledge about the importance of protecting environment hinders the solving of the problem.It is urgent that immediate and effective actions should be taken right away. First, more trees need to be planted to help improve and beautify the environment. Besides, stricter laws concerning global warming and irresponsible use of fuel resources have to be put into effect and achieved good results. In a word, there is a long way to go before we can take a comfortable world for granted again .
it would be fatal for the nation to overlook the urgency of the moment and to underestimate the determination of the negro. this sweltering summer of the negros legitimate discontent will not pass until there is an invigorating autumn of freedom and equality. nineteen sixty-three is not an end, but a beginning.
those who hope that the negro needed to blow off steam and will now be content will have a rude awakening if the nation returns to business as usual. there will be neither rest nor tranquility in america until the negro is granted his citizenship rights. the whirlwinds of revolt will continue to shake the foundations of our nation until the bright day of justice emerges.
but there is something that i must say to my people who stand on the warm threshold which leads into the palace of justice. in the process of gaining our rightful place we must not be guilty of wrongful deeds. let us not seek to satisfy our thirst for freedom by drinking from the cup of bitterness and hatred.
we must forever conduct our struggle on the high plane of dignity and discipline. we must not allow our creative protest to degenerate into physical violence. again and again we must rise to the majestic heights of meeting physical force with soul force.
the marvelous new militancy which has engulfed the negro community must not lead us to distrust of all white people, for many of our white brothers, as evidenced by their presence here today, have come to realize that their destiny is tied up with our destiny and their freedom is inextricably bound to our freedom.
we cannot walk alone.and as we walk, we must make the pledge that we shall march ahead. we cannot turn back. there are those who are asking the devotees of civil rights, "when will you be satisfied?" we can never be satisfied as long as our bodies, heavy with the fatigue of travel, cannot gain lodging in the motels of the highways and the hotels of the cities. we cannot be satisfied as long as the negros basic mobility is from a smaller ghetto to a larger one. we can never be satisfied as long as a negro in mississippi cannot vote and a negro in new york believes he has nothing for which to vote. no, no, we are not satisfied, and we will not be satisfied until justice rolls down like waters and righteousness like a mighty stream.
Distinguished judges, teachers, dear friends:
尊敬的评委，老师，亲爱的朋友们：
Hello, everyone! My name is cheng xiang yan , I am a junior student come from life science institution .Today, I am very glad to stand here and share with you my most sincere speech'Flying youth, master our future!'
你好,每个人!我的名字是程湘燕,我是一个大三学生来自生命科学系。今天,我很高兴站在这里和你们分享我最真诚的演讲'飞扬青春,掌握我们的未来!”
Life is a process of growing Saying goodbye to childhood, we step into another important time of life in the pace of young, facing new situations, dealing with different
人生是一个成长的过程。告别童年,我们步入人生的另一个重要的时间在年轻的步伐,面对新形势,处理不同的问题
However, who can really say what the youth is ? A period of time? A belief?An attitude to life? Or anything else? actually, everyone has his own understanding 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
但是,谁能说青年是什么吗?一段时间吗?一个信念?一个生活态度?还是别的?实际上,每个人都有自己对青春的理解,这是一段时间的美丽和奇迹,只有在你经历了酸、甜、苦、咸，你才能成为一位举足轻重的人物。
Just like A famous poet said "youth is a lovely song ,where nothing is impossible ,youth is a meaningful book, you'll be never bored of it ;youth is a rapid river ,it keeps on flowing day and night ;youth is a cup of tea ,it shows you different kinds of tastes in your "
就像一位著名的诗人说的“青春是一首可爱的歌曲,没有什么是不可能的,青春是一本有意义的书,你将永远不会无聊,青春是一个快速的河,它继续日夜流动;青春是一杯茶,它向您展示了不同的味道在你的生活中。”
As youth is so precious, of course, we must treasure it .Don't let the limited time pass by, grasping the young will means a better time is waiting for you in the near
青春是如此珍贵,当然,我们必须珍惜它。不要让有限的时间经过,抓住年轻将意味着一个更好的时间是在不远的将来等着你。
So,It's necessary for us to prepare ourselves well for the future to having a view on those great men in the history of hunman being, they all made full use of their youth time to do things that are useful to society, to the whole mankind, and as a consequence ,they are remembered by later generations, admired by so do something in the time of young, although you may not get achievements as these greatmen did ,though not for the whole world, just for youeself, for those around!
所以,对我们来说是必要的准备自己的未来。拥有一个对历史上的那些伟人,他们都充分利用他们的青春时间做对社会有用的事情,整个人类,作为一个结果,他们被后人铭记,欣赏每一个人。所以在年轻的时候做点什么,虽然你可能不会得到成就这些伟人一样,虽然不是整个世界,只是为了取个,周围的人!
So, what should we do when we are young? Here,I'll point out some tips to help equip
所以,当我们年轻的时候我们应该做什么?在这里,我将指出一些提示,以帮助装备自己。
First of all,think of what you'd like to be some A teacher ? A doctor ? A writer? Don't afraid of dreaming of big and great .Since you are young , you can dream of doing anything and becoming anyone in the
首先,认为有一天你想要的。一个老师吗?医生吗?一个作家?不要害怕梦想大的和伟大的。因为你还年轻,你可以做任何的梦想,在未来成为任何人。
What's more , never ignore the power of Read more books and travel For one thing, it can increase your knowledge, for another, it'll broaden your
更重要的是,不要忽视知识的力量。读更多的书和旅游。首先,它可以增加你的知识,另一方面,它会拓宽你的视野。
Last but not the least , stick to your It easier said than After all, future is not all young is just like blooming flowers, they are so beautiful when blooming, which make people feel happy, but with time passing by, after they withers ,most people think they are and so it is the same with young, we are enthusiastic when we are young, then we may lose our passion when getting older and So we should have enough courage and determination to overcome all the difficulties in struggling on the
最后,坚持你的梦想。这说起来容易做起来难。毕竟,未来是并不是所有的玫瑰。年轻就像盛开的鲜花,盛开时他们是如此美丽,让人们感到快乐,但是随着时间的流逝,他们枯萎后,大多数人认为他们是丑陋的。所以它是相同的与年轻,我们热情当我们年轻的时候,我们可能会失去当年纪越来越大,我们的激情。所以我们应该有足够的勇气和决心克服所有的困难在路上挣扎。
I firmly believe one sentence that'If you think you can, of course you can!'Just believe we can make it! Keep on walking towards our Flying youth , master our From today, from now on , are you Ready ?
我坚信一句话,坚定地认为你可以,你当然可以!“只是相信我们可以让它!继续走向我们的梦想。飞扬的青春,掌握我们的未来。从今天开始,从现在开始,你准备好了吗?
That's Thank you so much for your attention !
我的演讲结束了。非常感谢大家!
We often hear people say, “Never give up.” These can be encouraging words and words of determination. A person who believes in them will keep trying to reach his goal no matter how many times he fails. In my opinion, the quality of determination to succeed is an important one to have. Therefore, I believe that we should never give up.
One reason is that if we give up too easily, we will rarely achieve anything. It is not unusual for us to fail in our first attempt at something new, so we should not feel discouraged and should try again. Besides, if we always give up when we fail, we will not be able to develop new skills and grow as people. Another reason we should never give up is that we can learn from our mistakes only if we make a new effort. If we do not try again, the lesson we have learned is wasted. Finally, we should never give up because as we work to reach our goals, we develop confidence, and this confidence can help us succeed in other areas of our lives. If we never challenge ourselves, we will begin to doubt our abilities.
In short, it is important that we do not give up when working for our goals. Whether we succeed in the end or not, we will learn something, and what we learn will help us to become better, more confident people. Furthermore, if we give up, we have non chance of attaining our goals, but if we keep trying, there is always a chance that we will succeed one day.
Thank you !
In this day and age, environmental degradation presents great danger to the People in my country, and other places, have to bear polluted water and haze day after As public awareness of the need for environmental protection grows in these countries, it is urgent to learn how to establish a green life
To achieve a green life style, we must adjust our This can be done even with simple For example, we could sort out our trash for better At home, we can use lights and other electricity only when We should properly maintain air conditioners twice a year so they will run efficiently, and, even more importantly, make sure doors and windows fit properly and are sealed so that we can use less energy in heating and Other simple steps that make a big difference include using public transportation instead of driving private
Commuters can choose to take buses, subways or share cars with others, which not only relieves traffic jams but also reduces gas
In my mind, it is high time to establish a general concept of sustainable development and green life style in The Earth has provided humans what they need; it is time to pay Only through a green life, can we ensure that we and our children live in an environment with green water and mountains, without traffic jams, and in an era with better living
在这一天和年龄，环境恶化，对公众的巨大危险。在我国的人，和其他地方，都必须忍受污染的水和烟雾后的天。随着公众对环境保护的认识在这些国家的发展，迫切需要学习如何建立绿色生活方式。
要实现绿色生活方式，就必须调整我们的行为。这可以做，即使简单的事情。例如，我们可以把我们的垃圾分类回收利用。在家里，我们只能在需要的时候用电灯和其他的电。我们应该适当地保持空调一年两次，这样他们就可以有效地运行，甚至更重要的是，确保门窗安装正确，并密封，以便我们可以使用更少的能源，在加热和冷却。其他简单的步骤，使一个很大的区别，包括使用公共交通，而不是驾驶私家车。
通勤者可以选择乘坐公交车、地铁或与他人共用汽车，这不仅能缓解交通拥堵，还能减少废气排放。
在我看来，这是建立可持续发展和绿色生活方式的一般概念在中国的时候了。地球为人类提供了他们所需要的东西，是时候偿还了。只有通过绿色生活，我们才能确保我们和我们的孩子生活在一个环境中，绿色的水和山区，没有交通堵塞，并在一个时代，有更好的生活习惯。
Cherish what we are enjoying
It is a report about the new planet which holds possibility for
这是一篇关于发现了一颗有生命可能性的星球的报告。
It shows that European astronomers have discovered a new planet, they name it Gliese 581
说欧洲天文学家们发现了一颗新的星球，代号为“Gliese 581C”。
It is about light years from our They estimated the planet's average temperature at between 0 and 40 degrees It is orbiting the red dwarf star, Gliese
它距地球约光年。他们估计它的平均温度约在0℃～40℃之间。它围绕着红矮星Gliese 581运行。
Most important of all, it’s an earth-like There might be mountin, sea and liquid
最重要的是，这颗星球和地球非常相似，它可能有山峦，有海洋，还有液态水。
So the astronomers believe that it is potentially
所以科学家们相信它能支持生命的存在。
However, Gliese 581 c might be "tidally locked" to it’s sun-the dwarf star the way our moon is to the
然而，就像月球一样，它只会公转，不会自转。
It means that it must always show its same face to its sun, and that while one side would be too fiercely hot to support life, the other side would be too
这就意味着它面对红矮星的一面会太热不适合生命体而背对红矮星的一面则会很寒冷。
This report makes me to realize that how valuable our earth
这使我认识到我们地球有多么珍贵!
Everyday, we can see sunrise and
我们每天都可以看到日出日落。
The day and night keeps on It’s not too hot in the daytime while not to cold at
一天早晚有变化，昼夜不停地交换使白天不过分热，夜晚不过分冷。
Everyday, I go to school cheerfully in the morning and skip along at the way home as the sun
清爽的早晨，我可以背着小书包高高兴兴地去上学。夕阳西下，我又蹦又跳地回到家。
We could experience changes through the four seasons of one
一年四季有变化。
Spring is the season sowing It is pregnant with life and
春天是播种的季节，充满了生机和绿色。
In the Summer, colorful swimming suits frolick in the water
夏天五颜六色的游泳衣在水里欢快地嬉戏。
Autumn is the harvest season , the paddy fields and trees are covered with golden
秋天是丰收的季节，金黄铺满了稻田洒满了枝头。
In the winter，We can have snow battle, playing to our hearts' content in the world of silvery
冬天我们打着雪仗，尽情地在银白色的世界里玩耍。
How fortunate we are because we can live on the earth!
能生活在地球上,我们是多么地幸运啊。
We should cherish it, instead of polluting it, spoiling it or even destroying
我们要珍惜它，千万别污染它，别糟践它，别破坏它!
If One day, it is really angry and stop rotation, that will have be a disaster for us human
如果有那么一天，它真的生了气停止了自转，那将是我们整个人类的巨大灾难。
So, let us protect our earth with our love, making it better and more
所以，让我们大家用自己的爱来好好保护宇宙中这颗唯一的地球吧，使它更美好更合谐。
环保问题:
As is apparently revealed in the pie charts above, forty-eight percent of people surveyed have never heard of the International No Motor Vehicle Day while fifty-seven percent are willing to give up driving on such a What is betrayed in the pie charts is most
The implied meaning of the pie charts is both disappointing and On the one hand, much necessary work still needs to be done with respect to environmental The public ignorance of relevant environmental protection results from inadequate and limited popularity of environmental protection knowledge by relevant government departments at different Since environmental protection is an international issue, we must constantly introduce the advanced and practical practice in other countries to our general Only in this way can we promote environmental protection in On the other hand, the enhancement of the public awareness of environmental protection is a welcome Over the past years, as people’s living standard improves, people attach more importance to the quality of their They have a better understanding of the relationship between environment and their daily As a result, they are more interested in following positive international In sum, we have got a mixed feeling toward the very fact revealed in the pie
In my view, necessary measures should be immediately taken to ensure a nice First of all, government departments at all levels must play a more active role in popularizing international experience and practice of environmental What’s more, the general public should be encouraged to participate more actively in environmental Only in this way can we live in a healthy and harmonious (278 words)
atever we have undergone in our life, we shouldn't complain about We may get a lot or lose so much in our life journey, but keeping a positive attitude should always be together with Nothing can defeat us if we are confident and Just as saying goes, God is equal to As he closes the door, he will also open a window for
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