1. 一词多义练——清除阅读障碍

check out

A. 调查；了解……的情况  B. 检查  C. 结账离开

1. （1） The accountant checked out the bills and found them OK.   
3. （2） According toregulations of this hotel, guests should checkout of their rooms by noon.     
5. （3） We'll have to check him out before we employ him.