在何种情况下，交换机会进入emergency operation？在emergency operation 下什么操作是不可进行的？如何退出emergency operation？

All of the followings are the detainable deficiencies under the SOLAS Convention except ______.

A.failure of proper operation of propulsion and other essential machinery, as well as electrical installation

B.failure of the proper operation of the main and auxiliary steering gear

C.failure of engineering watch arrangements to conform to the requirements specified for the ship by Administration

D.failure of the proper operation of emergency generator, lighting, batteries and switches

A cabinet or space containing the controls or valves for the fixed firefighting system must be

A.posted with instructions on the operation of the system

B.ventilated and equipped with explosion-proof switches

C.painted with red and black diagonal stripes

D.equipped with a battery powered source of emergency lighting

In-flight emergency In the plane, Dr Wong and I ________(1) were called by the attendant to see a passenger, Paula, who had broken her arm ________(2) to the airport. It seemed to us at first that she was not in a serious condition, so we decided to put the arm into a splint after the plane had taken off. This treatment was carried out successfully, and the patient was left to get a good night’s sleep. But ________(3)we were called again later in the night, we found Paula suffering from severe pain in the chest because one of her lungs had ________(4). Her condition was rapidly becoming worse, and she would die very quickly without immediate ________(5). We decided to carry out an emergency operation using whatever instruments were available. Fortunately, the operation turned out to be successful, and Paula completely recovered two weeks later.

1.

A、ourselves

B、himself

C、myself

D、us

2.

A、in the way

B、by the way

C、to the way

D、on the way

3.

A、before

B、since

C、until

D、when

4.

A、exploded

B、exposed

C、collapsed

D、clashed

5.

A、medicine

B、treatment

C、measurement

D、solution

The operation of which aids to navigation may be suspended during war or national emergency ________．

A.Navigational satellites

B.Loran

C.Omega

D.Any of the above

The emergency generator or emergency battery is connected to _______on most large ships.

A.distribution boards

B.section boards

C.emergency switch boards

D.main switch boards