船舶航行中发生碰撞后，机舱破损面积较大，危及主、副机安全，应及时报告（）。
A．船长
B．轮机长
C．驾驶员
D．政委
参考答案：A
The new bridge over the Jinsha River last year, which makes it very easy to go to the city center.[ ]
A. built
B. was built
C. has built
D. has been built
