97免费在线观看视频,亚洲综合自拍网,黄色毛片免费观看,热久久综合网,免费看日产一区二区三区 狠狠操av,久久久涩涩涩,在线精品免费视频,人人插天天干,久久91精品国产91久久

單項選擇題

Knowing the compass heading that is 90°to the side of a ship will enable the operator of a survival craft to initially steer().

A.into the wind
B.away in fire and smoke
C.directly to the standby boat
D.directly to the nearest land

微信掃碼免費搜題