试题详情

The key to the industrialization of space is the U.S.space shuttle.With it,t astronauts will acquire a workhouse vehicle( )of flying into space and returning many times.Powered by reusable rockets that can lift a load of 65,000 pounds,the shuttle will carry devices for scientific inquiry,as well as a variety of military hardware.

Acapable

Bsuitable

Cefficient

Dfit