重点讲解：
1. more than
超过；超出；
eg. We've despair of him; he can't keep a job for more than six months.
我们对他已经绝望了，他做什么工作都不能超过半年。
eg. This city has a population of more than 1,000,000.
这个城市人口超过一百万。
eg. The system has the ability to run more than one program at the same time.
该系统能够同时运行一个以上的程序。
2. a wide range of
许多；广泛的；各式各样的；
eg. This store sells a wide range of TV sets.
这家商店出售各种型号的彩色电视机。
eg. The hotel offers a wide range of facilities.
这家酒店提供各种各样的设施。
eg. A wide range of emotionally stressful events may trigger a relapse.
多种令人情绪紧张的事情都可能引起旧病复发。