航海英语单项选择题每日一练(2019.04.29)

单项选择题
The safety of the port should（）in respect of a vessel properly manned and equipped，and navigated and handled without negligence and in accordance with good seamanship.
A.be watched
B.be seen
C.be viewed
D.be inspected
单项选择题
The well preparation of stowage plan will（）.
A.increase the ship's officers' knowledge
B.extend the ship's officers' knowledge
C.improve the ship's cargo-handling equipment
D.raise the working efficiency
单项选择题
Every（）shall be fitted with a cargo tank cleaning system using crude oil washing.
A.existing crude oil tanker of 20000 tons deadweight and under
B.new crude oil tanker of 20000 tons deadweight and under
C.existing crude oil tanker of 20000 tons deadweight and above
D.new crude oil tanker of 20000 tons deadweight and above
单项选择题
For a sacrifice or expenditure to be the subject of general average contribution，there must be a danger common to（）.
A.the cargo owners
B.the shipowners
C.the whole adventure
D.the whole voyage
单项选择题
Halon extinguishes a fire by（）.
A.breaking the chain reaction
B.smothering the fire
C.cooling the fire
D.coating the fuel with a nonflammable surface