单项选择题

When you doubt the existence of risk of collision,（）.……

When you doubt the existence of risk of collision,（）.

A.such risk shall be deemed to exist
B.Such risk shall not be deemed to exist
C.You should keep your course and speed
D.You needn‟t take any action to avoid collision with any vessel

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单项选择题（）may be laid ready for the cargo or may just be put in bundles ready for the stevedores to lay out as the cargo is loaded.

A.Wedge
B.Dunnage
C.Shore
D.Store

单项选择题All the following equipment can be used to identify the position of the vessel in distress except（）.

A.AIS
B.LRIT
C.VDR
D.GPS

单项选择题（）means a structured and documented system enabling company personal to implement effectively the company safety and environmental protection policy.

A.SMS
B.ISM
C.SOLAS
D.SMC

单项选择题The equatorial current flows to the（）

A.east
B.northeast
C.southwest
D.west

单项选择题When action to avoid a close quarter situation is taken,a course change alone may be the most effective action provide that（）.

A.it is done in a succession of small course changes
B.It is not done too early
C.It is a large course change
D.the course change is to starboard