單項(xiàng)選擇題Cargoes which（）an explosive, inflammable, poisonous and corrosive nature are called dangerous goods.

A.is
B.are of
C.is of
D.are


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1.單項(xiàng)選擇題Collision rules（）apply to all vessels upon the high seas.

A.should
B.must
C.shall
D.have to

2.單項(xiàng)選擇題Compared to manila line,size for size, nylon line（）.

A.has less strength than manila line
B.has more strength than manila line
C.is equivalent to manila line
D.will rot quicker than manila line

3.單項(xiàng)選擇題Dry cargoes are those commodities that（）.

A.never leak but may be spoiled by leakage
B.sometimes leak and damage themselves
C.often leak and damage other cargo
D.neither leak nor will be damaged by leakage

4.單項(xiàng)選擇題Each lifebuoy shall be marked in block capitals of the Roman alphabet with（）of the ship.

A.the call sign and name
B.the official number and name
C.the port of registry and name
D.the port of registry and official number

5.單項(xiàng)選擇題Every state, whether coastal or not,（）to sail ships under its flag on the high seas.

A.has no right
B.has partial right
C.has the right
D.has not any right