英语四级作文：特殊实验室-A Unique Laboratory

在生活、工作和学习中，大家都尝试过写作文吧，作文是从内部言语向外部言语的过渡，即从经过压缩的'简要的、自己能明白的语言，向开展的、具有规范语法结构的、能为他人所理解的外部语言形式的转化。一篇什么样的作文才能称之为优秀作文呢？下面是小编整理的英语四级作文：特殊实验室-A Unique Laboratory，仅供参考，欢迎大家阅读。

A unique laboratory at the university of chicago is busy only at night. It is a dream laboratory where researchers are at work studying r findings have showed that everyone dreams from three to seven times at night although in ordinary life a person may remember none or only one of his dreams.

While the subjects——usually students——sleep, special machines record their brain waves and eye movements as well as the body movements that signal the end of dream. Surprisingly, all subjects sleep soundly.

Observers report that a person usually figets before a dream. Once the dream has started, his body relaes and his eyes become more active, as if the curtain had gone up on a show. As soon as the machines show that the dream is over, a buzzer wakes the sits up, records his dream and goes back to sleep, perhaps o dream some more.

Researchers have found that if the dreamer is wakened immediately after the dream, he can usually bring back to his mind the entire dream. If he is allowed to sleep even five more minutes, his memory of the dream will have gone.