Strong smelling cargo should be stowed（）the cargo absorbing foreign smell.

Stress on the topping lift of a swinging boom can be reduced by（）.

A.rigging a back stay
B.raising the boom
C.increasing the mechanical advantage of the cargo purchase
D.taking all slack out of the preventer

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Sometimes the contract（）that the lump sum freight must be paid in advance and will not be returnable even if the vessel and／or her cargo are lost.

A.provide
B.provides
C.providing
D.be provided

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