【单选题】Q: What happened?
A.
Stand-by generator broke down.
B.
No. 2 generator was out of order.
C.
No. 2 generator is the stand-by generator.
D.
Keep No. 2 generator running.
【单选题】When Mary received the life-changing news, she __.
A.
lost control of herself
C.
Med to get a treatment
D.
behaved in an adult way
【单选题】Q: What happened?
A.
The steering gear is repaired.
B.
A fire occurred in the steering gear room.
C.
The steering gear fails to function.
D.
No fire has been found in the steering gear room.
【单选题】Q: What happened to the main engine?
【单选题】Q: What happened probably?
【单选题】水蒸气分解成同温度的氢气和氧气,内能增加了(百分之几,不计振动自由度)。
【判断题】从严格的意义上讲,不存在绝对安全,它只是安全的一种理想状态。