●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通信是一種最常用的網絡行為，你可以與世界上任何人進行通信，只要他擁有IP地址或者E-mail帳號，并且它還必須與Internet連接。而你需要的是有權使用因特網和E-mail。兩個最廣泛使用E-mail的程序是微軟的Outlook Express和Netscape的Navigator。一個E-mail消息有3個基本元素是信頭、消息內容和簽名。