Communicating via e—mail is by far the most common Internet activity.You can (1)with anyone in the world who has an Internet address or e—mail(2)with a system connection to the Internet. All you need is(3)the Internet and an e-mail program.Two of the most widely used e-mail programs are Microsoft’s (4)and Netscape’s Navigator.A typical e—mail message has three basic(5):header，message，and signature.
(1)A.connect
B.exchange
C.communicate
D.game
(2)A.account
B.N0.
C.user
D.administrator
(3)A.attach with
B.grasp
C.Possess
D.access to
(4)A.Yahoo
B.Explorer
C.Foxmail
D.Outlook Express
(5)A.packets
B.elements
C.frames
D.cells
答案：(1)C (2)A (3)D (4)D (5)B
解析：到目前為止，使用E—mail通信是一種最常用的網(wǎng)絡(luò)行為，你可以與世界上任何人進(jìn)行通信，只要他擁有IP地址或者E—mail帳號(hào)，并且他還必須與Internet連接。而你需要的是有權(quán)使用因特網(wǎng)和E—mail。兩個(gè)最廣泛使用E—mail的程序是微軟的和。一個(gè)E-mail消息有三個(gè)基本元素：信頭、消息內(nèi)容和簽名。