航海英語(yǔ)船舶救生設(shè)備名稱單項(xiàng)選擇題每日一練(2019.01.23)

來(lái)源：考試資料網(wǎng)

1 Instead of whipping an end of a line，a temporary means of preventing the line from unraveling is to tie a（）.

2 Is it safe（）a rocket?

3 A hook that will release quickly is a（）.

4 A hydrostatic release mechanism for a liferaft（）.

5 A stopper is（）.