单项选择题
The telegram amended ETA 1900/4th owing strong wind says that（）.
A.ETA is received B.ETA is changed C.ETA is earlier D.ETA remains unchanged
单项选择题 The time worked beyond regular hours is expressed in term of（）.
单项选择题 The urgency signal concerning the illness of persons on board ship is（）.
单项选择题 There are no other vessels in the vicinity（）those at anchor.
