单项选择题
A fire is discovered in the bow of your vessel while making way. The wind is from ahead at 35 knots. You should（）.
A.remain on course and hold speed B.remain on course but slack the speed C.change course to put the wind on either beam and increase speed D.change course and put the stern to the wind
单项选择题 A fire has broken out on the stern of your vessel. You should maneuver your vessel so the wind （）.
单项选择题 A fiber towing hawser is readied for service by（）.
单项选择题 A drilling bit which is doughnut shaped to permit recovery of the center portion of the hole drilled is called a（）.
