单项选择题
The three conditions which cause engine shutdown are overspeed，low lube oil pressure，and（）.
A.High lube oil pressure B.High jacket water pressure C.High jacket water temperature D.Low jacket water pressure
单项选择题 The Purchaser shall（），prior to the ship’s departure，the invoiced amount at the rate of exchange applicable on the day of payment.
单项选择题 The latest edition of ISSA Ship Stores Catalogue is（）.
单项选择题 On a ship，each emergency generator must be tested at least once each（）.
