英语专四能考几次

According to Charles, people send messages via facsimile because ______.

A．it is cheaper and faster than ordinary mail

B．it can send things that could not be expressed by telex

C．it is faster and not much more expensive than mail

D．the Royal Mail could not reach places abroad

【7】

What does the cancellation of the 16-day flight mean?

A．The scientists on the ground are pursuing only their most important experiments.

B．The shuttle team will be disappointed at the curtailment of the science mission.

C．The science will complete the experiments on a later shuttle flight.

D．The remaining generators are sufficient.