草原日出阅读题答案
2015年12月英语六级考试仔细阅读题62答案
What do we learn about the space-tourism firm Virgin Galactic?
A.It has just built a craft for commercial flights.
B.It has sent half a dozen passengers into space.
C.It was about ready to start regular business.
D.It is the first to launch "suborbital” flights.