航海英語船舶索具及保養(yǎng)單項(xiàng)選擇題每日一練(2019.01.16)

來源：考試資料網(wǎng)

1 If you were to pass a stopper on a wire rope，what should the stopper be made of（）.

2 A 6x12，two-inch wire rope has（）.

3 The tackle that raises and lowers the boom is（）.

4 The square knot is used for（）.

5 Stuffer-braid rope has（）.