航海英語船舶索具及保養(yǎng)單項(xiàng)選擇題每日一練(2019.01.22)

來源：考試資料網(wǎng)

1 Which knot reduces the strength of a line by the LEAST amount（）.

2 The strongest of the natural fiber ropes is（）.

3 Two mooring lines may be placed on the same bollard and either one cast off first if（）.

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

5 What is normally used to pass a mooring line to a dock（）.