单项选择题

Nylon rope is the strongest and most elastic of all the （）ropes.

A. synthetic fiber
B. natural fiber
C. wire
D. wooden

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单项选择题

A. mooring and lashing ropes
B. seizing and serving ropes
C. cargo-handling and seizing ropes
D. wooden ropes

单项选择题

A. Hemp rope
B. Sisal rope
C. Manila rope
D. wooden rope

单项选择题

A. stronger and more flexible
B. less strong and less flexible
C. less strong and more flexible
D. more strong and less flexible