下列关于能源消费量统计的说法，错误的是（）。 A．谁消费、谁统计 B．何时投入使用，

Global satellite communications systems will be useful to ______.

A．laptop computer users

B．remote villages

C．disaster-relief teams

D．all above

What can we say about the new global satellite communications systems？

A．They are widely used.

B．They are very helpful.

C．They are costly.

D．Both A and B.

A．复合法

B．词缀法

C．截短法

D．拼缀法

fic, businessmen can contact their offices as if they were next door.

A．gliding

B．cruising

C．piloting

D．patrolling

rom one side of the world and relays it directly to the other.

A．receives

B．accepts

C．admits

D．offers

on networks of high capacity, controlled by computers, inter-connected globally by satellite and submarine cable, providing speedy and reliable communications throughout the world.

We went through a period communications were very difficu1t in the rura1 areas. （）

A.which

B.whose

C.in which

D.with which

cific, businessmen can contact their offices as if they were next door.

A．gliding

B．cruising

C．piloting

D．patrolling

red by one operational satellite and several back-ups.

A．Y

B．N

C．NG