A．Email address and IP addressB．MAC address and port addressC．MAC address and IP addre

文中（3 ）处正确的答案是（）。

A．Email address and IP address

B．MAC address and port address

C．MAC address and IP address

D．port number and IP address

A．Email address and IP address

B．MAC address and port address

C．MAC address and IP address

D．port number and IP address

A.email

B.url

C.number

D.radio

下列应用哪些属于网络应用(多选)

A.email电子邮件

B.Web浏览

C.即时通讯

D.电子商务

E.FTP文件传输

F.网上银行

Which one is not true according to the article？

A.Email is the primary means of internal and external communication at most companies.

B.The subject line should clearly identify the project (including the customer, depending on the organization) and the subject matter.

C.Not every company employs a workflow that makes sense for its business.

D.Before sending your email, read over it for any irrelevant information.

A．Email客户端软件

B．Internet浏览器软件

C．IP电视组播

D．日历软件

A.EMAIL

B.电子单证

C.JAVA语言

D.E_TRADE

A．email

B．instant-messaging capability

C．a full-featured web browser

D．make video

A．Email

B．DNS

C．Web

D．News

(20)A.Email

B.FTP

C. Web Browser

D. SSH