更多"A.in the development of air transpo"的相关试题:
[填空题]
- A.in the development of air transportation
- B.the earliest passenger flights were successfully operated
- C.to make travel easy and pleasant for the passengers
- D.to provide different services
- E.the shortage of qualified pilots
- F.travelling by air was very cheap
The United States was the country where ______.
[填空题]
- A. in the development of air transportation
- B. the earliest passenger flights were successfully operated
- C. to make travel easy and pleasant for the passengers
- D. to provide different services
E the shortage of qualified pilotsF. travelling by air was very cheap
Air transport companies use different planes ______.
[单项选择]A. The air pollution is caused by the development of industry.
B. The city was poor because there wasn’t much industry then.
C. The woman’s exaggerating the seriousness of the pollution.
D. He might move to another city very soon.