Http://www.library.thinkquest.org

     Your mother may have told you years ago not to sit to closely to the television set, because it would hurt your eyes. She may have also said that reading in dim light will hurt your eyes. Well as wonderful as your mother is -- she was actually wrong. While sitting too close to a TV or reading in low light can cause 1)eyestrain, neither will actually damage your eyes. Now these are facts we learned on sighting, the first sense, a new web site about vision. From learning about what those tests are at the eye doctor, to tricky 2)illusions, there's a lot to learn here. Another interesting fact, while carrots do contain vitamin A, and vitamin A is important for vision, eating a lot of carrots won't make your vision any better.

Http://everest.simobile.si

And history is happening on the internet, a 38 year old man from 3)Slovenia has become the first person to ski nonstop down 4)Mount Everest. The descent was captured by cameras along the way and on his 5)helmet. This is his second attempt at the world's highest mountain. He lost two fingers to 6)frostbite in his first try in 1996.

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   妈妈可能早在几年前就告诉你不要坐得太近电视机，因为它会伤害你的眼睛。她可能还说过在暗的光线下读书会伤害眼睛。尽管你有个好妈妈，实际上她却错了。虽然坐得太靠近电视机或在暗光下阅读可能会引起眼睛疲劳，但实际上两者都不会伤害你的眼睛。所有这些道理我们都可以从一个有关视力的新网站上直接看到。从在眼科医生那里得到的检查到复杂的辨色，一切你都可以从这里学到。另一个有趣的事实就是：胡萝卜确实含有维生素A,而维生素A 对视力十分重要，但多吃胡萝卜对你的眼睛没有什么帮助。

   历史在互联网上再现，斯洛文尼亚一个38岁的男人成为从珠穆朗玛峰上不间断滑雪滑下的第一人。整个下滑过程有沿路和他头盔上的照相机拍下。这是他在世界最高峰的第二次尝试。他在1996年的第一次尝试中因冻伤失去了两根手指。

1） eyestrain眼睛疲劳

2） illusion错觉

3） Slovenia斯洛文尼亚

4） Mount Everest珠穆郎玛峰

5） helmet头盔

6） frostbite冻伤