航海英語(yǔ)船舶結(jié)構(gòu)基本知識(shí)單項(xiàng)選擇題每日一練(2019.01.16)

來(lái)源：考試資料網(wǎng)

1 The strake on each side of the keel is called a（）.

2 When lowering manropes alongside a stage rigged over the side of a vessel，they should be allowed to trail in the water（）.

3 A band or collar on the top end of a boom to which the topping lift，midships guy，and outboard guys are secured，is called the（）.

4 A virtual rise in the center of gravity may be caused by（）.

5 The words PIPE，BUTT，TUN AND PUNCHEON all refer to（）.