航海英语航行值班与海上避碰单项选择题每日一练(2018.04.20)

单项选择题
A vessel（）a crossing vessel，shall not normally enter a separation zone or cross a separation line.
A.including
B.inclusive of
C.except that
D.other than
单项选择题
You are approaching another vessel and are not sure whether danger of collision exists. You must assume（）.
A.there is a risk of collision
B.you are the give-way vessel
C.the other vessel is the give-way vessel
D.there is no risk of collision
单项选择题
When your vessel enters thick fog，she should sound（）every two minutes in accordance with these Rules.
A.one short blast
B.one prolonged blast
C.two short blasts
D.three short blasts
单项选择题
When a vessel sees the other ahead or nearly ahead，by night she could see the masthead lights of the other in a line or nearly in a line or both side lights，（）shall be deemed to exist.
A.head-on situation
B.end-situation
C.crossing situation
D.close-quaters situation
单项选择题
Vessels，（）support vessels，should not enter the safety zone of a deepwater port unless clearance has been obtained from the Vessel Traffic Supervisor.
A.besides
B.excepted
C.otherwise
D.other than