单项选择题
The annual change in（）is 0.2 degree．
A.Magnetic Variation B.Marine Insurance C.Maritime Accident D.Mean High Water Spring
单项选择题 The accident has caused damage（）the ship’s hull．
单项选择题 The accident（）caused damage to my hull.
单项选择题 Sweat damage will occur in a cargo hold containing machinery parts when（）.
