远程登录是指在专门的网络通信协议的支持下,使用户的计算机暂时成为远程计算机终端的过程,这

A、私有云存储

B、混合云存储

C、公共云存储

D、独立云存储

某单位有4个部门，现在需要将它们分别划分在不同的子网中，已知网络号为198.16.0.0，请问应当如何划分才能使每个子网中的主机数量最多?在该划分下，每个子网最多可以容纳多少台主机?划分后的子网掩码是什么?

A、正

B、负

C、0

D、1

此题为判断题(对，错)。

A、直线制

B、直线职能制

C、事业部制

D、矩阵制

How can a single postage stamp be worth $16 800? Any mistake made in the printing of a stamp raises its value to stamp collectors. A mistake on one inexpensive postage stamp has made the stamp worth a million and a half times its original value. The mistake was made more than a hundred years ago in the British colony Mauritius , a small island in the Indian Ocean. In 1847 an order for stamps was sent to a London printer – Mauritius was to become the fourth country in the world to issue stamps. Before the order was filled and delivered, a ball was planned at Mauritius ’ Government House, and stamps were needed to send out the invitations. A local printer was instructed to copy

1、A postage stamp’s value to collectors is raised if ( ).

A、there are few others like it

B、 there are no errors on the stamps

C、 a mistake is made in the printing

D、 both A and C

2、The mistake in the locally printed postage stamps was in the ( ).

A、price

B、wording

C、color

D、spelling of postage

3、$16 800 is the collector’s value of ( ).

A、the One Penny Orange – Red

B、 a correctly printed 1847 stamp

C、 the Twopenny Blue

D、 both A and C

4、Which one is implied but not stated?

A、All correctly printed stamps are worthless.

B、Mauritians needed the stamps to send out invitations to a ball.

C、The printer was punished for his mistake.

D、Collectors are constantly looking for stamps with mistakes.

5、The best title for this section is ( )

A、The “Post Paid” Error

B、The Twopenny Blue

C、A London Printer’s Error

D、How Mauritius Became Famous

()提出了定义机器智能的图灵测试，奠定了人工智能的理论基础。