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單項選擇題

An example of a messenger is a（）.

A.fairlead
B.heaving line
C.stay
D.warp

單項選擇題

An inflatable life raft can be launched by（）.

A.the floating-free method only
B.breaking the weak link on the painter
C.throwing the entire container overboard and then pulling an the operating
D.removing the securing straps