单项选择题

A small light tackle with blocks of steel or wood that is used for miscellaneous small jobs is called a（）.

A.snatch block
B.threefold purchase
C.handy-billy
D.chockablock

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单项选择题

A single heavy wire made up for the topping lift is called a（）.

A.bale
B.spanner wire
C.bull line
D.working guy

单项选择题

A serving mallet is used in（）.

A.covering wire or fiber rope
B.forcing fids into a line
C.dogging hatches
D.splicing lines

单项选择题

A sea anchor is（）.

A.a heavy anchor with an extra long line used to anchor in deep water
B.a cone shaped bag used to slow down the wind drift effect
C.a padeye to which the sea painter is made fast
D.made of wood if it is of an approved type