Half astern（）
第1题：
The pilot needs the ship to go forward very slowly. The order should be _____.
A.“Slow ahead”
B.“Dead slow ahead”
C.“Astern”
D.“Dead slow astern”
第2题：
紧急后退三。
A.Full astern！
B.Double full astern！
C.Emergency full astern！
D.Emergency three astern！
第3题：
A、an half hour’s
B、half an hour
C、half an hour’s
D、half a hour’s
第4题：
Yesterday we had （） talk.
Aone and a half hour’s
Bone and a half hour
Can hour and a half’s
Dan hour’s and a half
第5题：
On a vessel with a single propeller，transverse force has the most effect on the vessel when the engine is put ______．
A.full ahead
B.full astern
C.half ahead
D.slow astern
第6题：
微速后退。
A.Dead slow astern.
B.Slow astern.
C.Half astern.
D.Slow ahead
第7题：
The order“______” means “Maximum maneuvering engine revolution for ahead propulsion.”
A.Full Ahead
B.Half Ahead
C.Full Astern
D.Half Astern
第8题：
---_______________! ---Engine dead slow astern!
A.Dead slow astern
B.Engine slow astern
C.Engine half astern
D.Ready
第9题：
第10题：
大台后面第一个就是他的房间。（）