单项选择题
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
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.
单项选择题 All the following equipment can be used to identify the position of the vessel in distress except（）.
单项选择题 （）means a structured and documented system enabling company personal to implement effectively the company safety and environmental protection policy.