单项选择题
A.the Canadian Coast Guard B.Ice Sarnia C.the Ice Navigation Center D.the icebreaker assigned to the area
Coiling new rope against the lay，bringing the lower end...
单项选择题Coiling new rope against the lay，bringing the lower end up through the center of the coil，then coiling with the lay，in order to remove the kinks，is known as（）.
A.coiling B.faking C.flemishing D.thoroughfooting
Coast Pilots and navigational charts are kept corrected...
单项选择题Coast Pilots and navigational charts are kept corrected and up-to-date by using the（）.
A.pilot charts B.Notices to Mariners C.Tide Tables D.Current Tables
Clouds with the prefix “nimbo” in their name（）.A.are sh...
单项选择题Clouds with the prefix “nimbo” in their name（）.
A.are sheet or layer clouds B.have undergone great vertical development C.are middle or high altitude clouds D.are rain clouds
