單項(xiàng)選擇題Cargo handlers should take the following precautions with the exception of（）to avoid damage from shifting.

A.Keep the loads as close to the rail or deck as possible
B.If cargo is likely to settle，make provisions to secure it after it has settled
C.Thoroughly secure and shore all cargo so that it cannot move
D.hen stowing cargo，avoid leaving empty paces


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1.單項(xiàng)選擇題Backstays are（）.

A.Running rigging leading aft from the masts
B.Running rigging leading forward from the masts
C.Standing rigging leading aft from the masts
D.Standing rigging from the cross trees to the mast head

2.單項(xiàng)選擇題All the holds to be loaded with grain must be swept（）commencement of loading.

A.Cleanly/during
B.Clear/meanwhile
C.Clean/between
D.Clean/prior to

3.單項(xiàng)選擇題A large basin cut into the shore，closed off by a caisson，and used for drydocking of ships is known as a（）.

A.slipway
B.graving dock
C.ground warp
D.caisson dock

4.單項(xiàng)選擇題（） is not usually used in liquid cargo systems.

A.Hydraulic drive systems
B.Electric drive systems
C.Steam drive systems
D.Man-powered drive systems

5.單項(xiàng)選擇題（） is not one of the winch controls.

A.a master controller or switchbox
B.a group of relays
C.contactors
D.a solenoid brake