【简答题】常用的抗惊厥药是( )、( )、( )。
【单选题】常用于镇静催眠、抗惊厥、抗癫痫及麻醉前给药的巴比妥类药物是
【简答题】Can you list several kinds of meals served on an airplane? How does the cabin crew serve food to passengers?
【单选题】The airplane meals should go through many procedures,which need () hours.
【单选题】The airplane will use 20 percent less fuel for comparable missions than today's similarly sized airplane. It is expected that advances in engine technology will contribute as much as 8 percent of the ...
A.
the 787 use more fuel than the similarly sized airplane
B.
the 787 use less fuel than the similarly sized airplane
C.
the 787 use less fuel because it's a new one
D.
the 787 has a nearly two-generation jump in techonogy than Airbus newest airplane