单项选择题
As per the standing orders，you should carry out all the following operations except（）upon having received words that a person has fallen overboard.
A.call the Master immediately B.stop the engines C.sound the “Man Overboard” signal of 3 prolonged blasts on the whistle and 3 prolonged blasts on the general alarm D.prepare，as many as possible，rescue facilities，including warm clothes
单项选择题 Which（）need NOT be entered in the Official Logbook?
单项选择题 When oily ballast has been pumped overboard，an entry must be made in the（）.
单项选择题 When oil is discharged overboard，an entry is required in the（）.
