2010年考研基础班词汇讲义（墨东博）.doc

2010年考研基础班词汇与作文讲义 词汇 - 综述篇 A完型填空 A1关连词 1 Sleep is divided into periods of so-called REM sleep, characterized by rapid eye movements and dreaming, and longer periods of nonprime sleep. 41 kind of sleep is at all well understood, but REM sleep is 42 to serve some restorative function of the brain. The