航海英语航海英文函电单项选择题每日一练(2018.11.04)

单项选择题
A fixed carbon dioxide extinguishing system for a machinery space，designed WITHOUT a stop valve in the line leading to the protected space，is actuated by（）.
A.one control
B.two controls
C.three controls
D.none of the above
单项选择题
The anchors on the bow are known as（）.
A.bower anchors
B.kedge anchors
C.spare anchors
D.stream anchors
单项选择题
I look forward to（）for this at your earliest convenience.
A.having your approval
B.approved by you
C.get your answer
D.know your opinion
单项选择题
A seaman is entitled by law to a release from Foreign Articles when（）.
A.intoxicated
B.deductions are made from wages
C.injured
D.the vessel is overloaded
单项选择题
A frame with two，or sometimes four，arms through which are threaded the guidelines and which is used to keep the drill stem and bit in line with the center opening in the temporary guide base is the（）.
A.drill stem guide
B.guide frame
C.drill string frame
D.casing guide