精选优质文档-倾情为你奉上1、在电子邮件中普遍使用的发信协议是(1分)A.smtpB.pop3C.popD.smtp32、在Windows环境下电子邮件有哪两种使用方式？(1分)A.客户端方式和服务器方式B.www方式和客户端方式C.www方式和http方式D.http方式和客户端方式3、 ( )controls and manages the systems hardware and software resources, thus enabling a user to use his computer conveniently and efficiently. (1分) A Translator softwareB A text editing or word processing programC Operating system softwareD Application software 4、“电子商务”英文正确写法是：(1分)A.Electron CommerceB.Electro
