单选题（）are used to ensure that ships don’t discharge oil when pumping out oily water from any oil contaminated space.A BoilerB IncineratorC Oily water separatorD Sewage treatment unit

A、mixed, don’t mix

B、mixxed, were not mixxed

C、mixed, were not mixing

D、mixxed, don’t mix

When the ships is going to enter into the harbor

A.change from heavy fuel oil to diesel oil for main engine

B.pumping out bilge water

C.change sea chest form high level one to lower level one

D.test emergency generator

22．1 used to love this film when I was young，but I _________ it that way any more．

A． don- t feel

B． didn- t feel

C． haven- t felt

D． hadn- t felt

An oil tanker，except as provided for otherwise，might discharge certain amount at certain rate of oil or oily mixtures into sea when ______．

A.she is not within a special area

B.she is within a special area

C.she has just departured from a special area

D.she is about to enter a special area

If the bowl of a disk type centrifugal purifier when operated as a separator is not primed, the

A.oil has a tendency to emulsify in the bowl

B.purifier will act as a clarifier at the discharge ring

C.oil will be lost through the water discharge ports

D.oil solids will be deposited only at the intermediate top disk

Any discharge into the sea of oil or oily mixtures from ships to which this Annex of MARPOL 73/78 applies shall be ______ except when special conditions are satisfied.

A.required

B.requested

C.promoted

D.prohibited

7．I_______to get up early．

A． didn’t use

B． didn't used

C． don't use

D． don’t used

When discharging an oil cargo，the first consideration is to ______．

A.get the bow up

B.discharge from the wings first

C.discharge from the centerline tanks first

D.discharge from amidships first