一.自我介绍：
honorable judges, ladies and gentlemen, fellow students, good morning/afternoon:
尊敬的评委，先生们，女士们，各位同学们，早上/下午好!
i’m very glad to be here. my name is wangqihang.
非常高兴能参加比赛。我的名字叫王启珩。
i’m ten years old. i come from huanxi primary school. i’m in cla3, grade 5.
我今年10岁。我来自环西小学，现在五年级三班。
as a happy boy，i have many hobbies, such as sports, playing piano, singing, and drawing.
我是一个快乐男孩。我有许多爱好，比如体育运动，弹钢琴，唱歌，画画等。
among them, travel is my favorist one. i have visited some other cities, like beijing, hainan, chongqing, guangxi, qindao, dalian and so on.
旅游是我的`最爱。我去过不少地方，如北京，海南，重庆，广西，青岛，大连等。
everywhere i went, i enjoyed the natural scenery and appreciated the human landscape very much.
每到一处都尽情享受那的自然风光与人文风情。
not only that, i want to go abroad to take in the beauty of the custom of other countries in the future.
不仅如此，我还希望能出国领略各国的民俗风情。
and i even dream about what the life will be when we are on planets other than our earth.
甚至我还梦想着在地球外的其它星球上生活将会是怎样的。
that is why i’m so interested in the following scientific report recently.
所以最近我对下面这篇科学报道非常感兴趣。
二. 演讲部分：
在我们享受的时候懂得珍惜
cherish what we are enjoying
it is a report about the new planet which holds possibility for life.
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 c.
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 20.5 light years from our earth. they estimated the planet's average temperature at between 0 and 40 degrees centigrade. it is orbiting the red dwarf star, gliese 581.
它距地球约20.5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 planet. there might be mountin, sea and liquid water.
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 habitable.
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 earth.
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 cold.
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。
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