單項(xiàng)選擇題When are you allowed to throw plastic garbage overboard?（）

A.Being mroe than 25 miles from shore
B.Only at night when it‟s dark
C.Being more than 6 miles from shore
D.Never


您可能感興趣的試卷

你可能感興趣的試題

1.單項(xiàng)選擇題Which kind of fog is also named as ground fog?（）

A.Advection
B.Radiation fog
C.frontal fog
D.Steam fog

2.單項(xiàng)選擇題Normally the mariners care more about the（）of tide.

A.speed
B.height
C.direction
D.course

3.單項(xiàng)選擇題The International Association of Lighthouse authorities (IALA) buoyage system “A” uses some types of marks to distinguish safe navigation? Which type(s) does(do) not belong to the system?（）

A.lateral marks and cardinal marks
B.safe water marks
C.isolated danger marks and special marks
D.dangerous water marks

4.單項(xiàng)選擇題Which refers to the living space for seafarers?（）

A.Poop
B.Store room
C.Accommodation
D.Saloon

5.單項(xiàng)選擇題（）cargoes in IMSBC code are those that are likely to liquefy.

A.Group A
B.Group B
C.Group C
D.Group D