单项选择题
The line with the most stretch is（）.
A.manila
B.nylon
C.polypropylene
D.dacron
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相关考题
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单项选择题
The latch of a safety hook（）.
A.increases the strength of the hook
B.prevents the sling ring from coming out of the hook if the strain is abruptly eased
C.prevents the sling ring from coming out of the hook if there is a strain on the sling ring
D.All of the above -
单项选择题
The knot used to join two lines or two large hawsers for towing is called a（）.
A.square knot
B.carrick bend
C.sheet bend
D.bowline -
单项选择题
The knot used to join two lines of different diameter is a（）.
A.square knot
B.carrick bend
C.becket bend
D.sheepshank
