单选题The key to the industrialization of space is the US space shuttle with it, astronauts will acquire a workhouse vehicle _____ of flying into space and returning many times.A capableB suitableC efficientD fit
题目
单选题
The key to the industrialization of space is the US space shuttle with it, astronauts will acquire a workhouse vehicle _____ of flying into space and returning many times.
A
capable
B
suitable
C
efficient
D
fit