单项选择题
Kapok life jackets should NOT be（）.
A.stowed near open flame or where smoking is permitted
B.used as seats，pillows，or foot rests
C.left on open decks
D.All of the above
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相关考题
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单项选择题
It is permissible to place an eye splice in wire rope used as cargo gear providing the splice is made using（）.
A.two tucks with whole strands and one tuck with one-half strand
B.three tucks with whole strands and two tucks with 1/2 the wire cut from the tucking strand
C.three tucks with whole strands
D.two tucks with whole strands and three tucks with half strands -
单项选择题
Is it safe（）a rocket?
A.to shoot
B.to fire
C.to let go
D.to send to sky -
单项选择题
Instead of whipping an end of a line，a temporary means of preventing the line from unraveling is to tie a（）.
A.becket bend
B.blackwall hitch
C.figure-eight knot
D.square knot
