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第一篇：英语口语比赛演讲稿
Good afternoon, ladies and gentlemen:
When I was in the primary school, I have a dream. I want to invent a device which could bring you from one place to another in no time at all. When I was in the secondary school, my dream was to study in my ideal university. And when eventually I got into the university, my dream was to graduate.
How pathetic! When we grow up, we dream less and become more realistic. Why? Why do we have to change our dreams, so, so in order to let it be "fulfilled"? Why do we have to surrender to the so-called "reality"? What IS the reality actually?
Ladies and gentlemen, the reality is not real. It is a barrier keeping us from all the possible fantasies. Flying, for example, had been a dream to mankind for thousands of years. A hundred years ago, "man could not fly" was still regarded as the "reality". Now if that was really the reality, what did the Wright brothers do? How did some of you get to Macau? Only when we believe that the reality is not real can we soar with our dreams.
People say that our future is a battle between the reality and our dreams. And if, unfortunately, Mr. Reality wins this war, then I see no future of mankind at all. AIDS will never be curable as this IS the reality; People living in the undeveloped countries will suffer from starvation forever as this IS the reality; 4)Disputes among different countries would never be settled as this misunderstandings and intolerance IS the reality.
Ladies and gentlemen, how many of you have a dream of being able to make a lot of money? Please raise your hands. Oh, quite a number of you! Actually, ladies and gentlemen, this is not a dream, but a task. Every one of us has to make a living, right? Anyway I hope your task will be accomplished. How many of you think that you have already fulfilled your dream and that you don't dream anymore? Dear 5)adjudicators, what do you think? C.S. Lewis once said, "You are never too old to dream a new dream." So for our future, please dream and be unrealistic.
Now that I am a university student, my goal is to graduate with excellences. But at the same time, I have a dream deeply rooted in our future. One day, people living in the areas now 6)sweltering with the horror of wars will be able to sit with their families and enjoy their every moment. One day, people from the rich countries are willing to share what they have with those from the poor countries and those from the poor countries will eventually be able to make their own happy living themselves. One day, different cultures in this age of globalization will coexist with tolerance and the unfriendly confrontations among them will be 7)eliminated. One day, the globe will share the dream with me and we will all contribute to making our dream come true. One day, our dream will defeat the reality! Thank you very much.
第二篇：英语比赛演讲稿
i have the answer to a question that we've all asked. the question is, why is it that the letter x represents the unknown? now i know we learned that in math class, but now it's everywhere in the culture -- the x prize, the x-files, project x, tedx. where'd that come from?
about six years ago i decided that i would learn arabic, which turns out to be a supremely logical language. to write a word or a phrase or a sentence in arabic is like crafting an equation, because every part is extremely precise and carries a lot of information. that's one of the reasons so much of what we've come to think of as western science and mathematics and engineering was really worked out in the first few centuries of the common era by the persians and the arabs and the turks.
this includes the little system in arabic called al-jebra. and al-jebr roughly translates to “the system for reconciling disparate parts.“ al-jebr finally came into english as algebra. one example among many.
the arabic texts containing this mathematical wisdom finally made their way to europe -- which is to say spain -- in the 11th and 12th centuries. and when they arrived there was tremendous interest in translating this wisdom into a european language.
but there were problems. one problem is there are some sounds in arabic that just don't make it through a european voice box without lots of practice. trust me on that one. also, those very sounds tend not to be represented by the characters that are available in european languages.
here's one of the culprits. this is the letter sheen, and it makes the sound we think of as sh -- “sh.“ it's also the very first letter of the word shalan, which means “something“ just like the the english word “something“ -- some undefined, unknown thing.
now in arabic, we can make this definite by adding the definite article “al.“ so this is al-shalan -- the unknown thing. and this is a word that appears throughout early mathematics, such as this 10th century derivation of proofs.
the problem for the medieval spanish scholars who were tasked with translating this material is that the letter sheen and the word shalan can't be rendered into spanish because spanish doesn't have that sh, that “sh“ sound. so by convention, they created a rule in which they borrowed the ck sound, “ck“ sound, from the classical greek in the form of the letter kai.
later when this material was translated into a common european language, which is to say latin, they simply replaced the greek kai with the latin x. and once that happened, once this material was in latin, it formed the basis for mathematics textbooks for almost 600 years.
but now we have the answer to our question. why is it that x is the unknown? x is the unknown because you can't say “sh“ in spanish. (laughter) and i thought that was worth sharing.
(applause)