●In the following essay, each blank has four choices.Choose the best answer and write down on the answer sheet.

Communicating via Email is by far the most common Internet activity.You can (71) with anyone in the world who has an Internet address or Email (72) with a system connection to the Internet.All you need is (73) the Internet and an Email program.Two of the most widely used Email programs are Microsoft's (74) and Netscape's Navigator.A typical Email message has three basic (75) : header, message, and signature.

(71) A．connect

B．exchange

C．communicate

D．game

(72) A．account

B．No.

C．user

D．administrator

(73) A．attach with

B．grasp

C．possess

D．access to

(74) A．Yahoo

B．Explorer

C．Foxmail

D．Outlook Express

(75) A．packets

B．elements

C．frames

D．cells

C,A,D,D,B【解析】使用E-mail通信是一种最常用的网络行为，你可以与世界上任何人进行通信，只要他拥有IP地址或者E-mail帐号，并且它还必须与Internet连接。而你需要的是有权使用因特网和E-mail。两个最广泛使用E-mail的程序是微软的Outlook Express和Netscape的Navigator。一个E-mail消息有3个基本元素是信头、消息内容和签名。