你可能感興趣的試題

Ropes can be divided into three types: （）.

A. natural fiber rope, manila rope and synthetic rope
B. natural fiber rope, synthetic rope and wire rope
C. synthetic rope, manila rope and wire rope
D. synthetic rope, manila rope and wooden rope

單項(xiàng)選擇題

Ropes can be divided into （）basic types.

A.3
B.4
C.5
D.6