单项选择题
The distance between rivets in a row is known as the（）.
A.arm B.pitch C.gage D.rivet distance
单项选择题 The BEST way to steer a twin-screw vessel if you lose your rudder is by using（）.
单项选择题 The area around Cape Charles is（）.
单项选择题 The angular movement of a vessel about a horizontal line drawn from its bow to its stern is （）.
