以下关于E-mail服务器安装的描述中，哪个是错误的？——
A. 在安装E—mail邮件服务器软件前，不需要安装IIS
B. 在用户信息界面的文本输入框中输入用户信息
C. 在快速设置向导中输入新建用户的信息，包括用户名、用户密码及域名
D. 在系统设置界面中，可以对邮件服务器的系统参数进行设置，包括SMTP、邮件过滤等项目
What happens when your ticket booking cannot be confirmed？
A. You should make another booking immediately.
B. You can change your booking free of charge.
C. You will be informed by phone and e-mail.
D. You will still enjoy the booking price.
The first games for the disabled were held______after Sir Ludwig Guttmann arrived in England.
A. 9 years
B. 10 years
C. 21 years
D. 40 years
What's the main idea of the first paragraph？
A. Waste is everywhere.
B. Waste is very harmful.
C. Waste should be treated universally.
D. Waste can be an opportunity.
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