單項(xiàng)選擇題The hatch at the after end of the canopy in a lifeboat（）the after lifting hook, painter, and tow line.

A.give access to
B.links up with
C.have contact with
D.is constructed of


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1.單項(xiàng)選擇題How many hours of rest is the minimum required in a normal day?（）

A.14 hours
B.10 hours
C.6 hours
D.It does not matter as long as my overtime is paid for

2.單項(xiàng)選擇題If the electronic chart is part of an ECDIS,it must display the minimum data required by IMO/IHO,to include all of the following EXCEPT（）.

A.hydrography
B.aids to navigation
C.tidal currents
D.regulatory boundaries

3.單項(xiàng)選擇題（）on still water indictes how loading weight distribution affects on longitudinal strength.

A.Bending moment
B.local strength
C.shear force
D.displacement

4.單項(xiàng)選擇題ANCHOR HAS ITS OWN CABLE TWISTED AROUND IT defines（）.

A.foul of anchor
B.dropping anchor
C.weighing anchor
D.walking back anchor

5.單項(xiàng)選擇題（）sends a radio signal from the bottom of the ship to the sea-bed,from which it is reflected.

A.The marine sextant
B.The chronometer
C.The echo sounder
D.The radar