【单选题】airport fire service
【简答题】决策过程有几个方面? A两个 B三个 C四个 D五个
【单选题】汽车上采用直流( )励式电动机带动发动机启动。
【单选题】How does the fire affect the local airport?
A.
The thick smoke of the fire affects the vision.
B.
The airport is forced to close temporarily.
C.
The helicopters are refueled at the airport.
D.
Airlines have to decide whether to land or not.
【单选题】Why was an airport forced to close down?
A.
Because the blazes from the fire were too hot.
B.
Because the smoke from the fires was too thick.
C.
Because it was too droughty at the airport.
D.
Because it rained heavily there.
【单选题】一个三因素设计可以得到几个交互作用?( )