单项选择题
MV Utopia may conduct the following operations to stop listing except to（）.
A.jettison cargo B.immobilize the engine C.transfer cargo D.transfer bunkers
单项选择题 Mr.Jones was tired，he will（）over his duty of look out to another sailor.
单项选择题 Midships refers to rudder to be held（）.
单项选择题 In anchoring orders，UP AND DOWN means（）.
