○  英语演讲稿：英语演讲比赛演讲稿范文  ○

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。

this report makes me to realize that how valuable our earth is.

这使我认识到我们地球有多么珍贵！

everyday, we can see sunrise and sunset.

我们每天都可以看到日出日落。

the day and night keeps on exchanging. it’s not too hot in the daytime while not to cold at night.

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 set.

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 year.

一年四季有变化。

spring is the season sowing seeds. it is pregnant with life

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 happily.

夏天五顔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 color.

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 white.

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 it.

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 being.

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 harmonious.

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。

三．才艺表演

ladies and gentlemen, now let me show you a story abou

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