Computers are not the only capital _____ that have a payoff.A、goodsB、 goodC、 merchandis

A．Teachers will never be instead of computers in the class．

B．Teachers will never be replaced by computers in the class．

C．Teachers will never be placed by computers in the class．

D．Teachers will never be changed by computers in the class．

The(72)is a collection of computers connected together by phone lines that allows for the global sharing of information.

A．interface

B．Internet

C．LAN

D．WWW

A.urgent

B.characteristic

C.remarkable

D.feature

The repairman____the computers every week. He_____them now in the computer centre. （chec

k)

XP Professional. You enable the Network Discovery feature on the Windows 7 computers. You discover that the Windows XP computers do not appear on the network map. You need to ensure that all client computers appear on the network map. What should you do？（）

A.Configure the IPv6 protocol on the Windows 7 computers.

B.Configure the network shares on the Windows 7 computers to include the user names of all employees.

C.Configure the network shares on the Windows XP computers to include the user names of all employees.

D.Install the Link Layer Topology Discovery (LLTD) Responder on the Windows XP computers.

Since tablet computers and smart phones have（）interface, many people believe that all home and business computers will eventually have this kind of interface too.

A.CRTB.LEDC.Touch-screenD.Large screen

A.turn over

B.turn out

C.turn on

D.turnup