单选题I hereby request permission（）the ship’s main engine for routine maintenance.A immobilizeB to immobilizeC immobilizationD immobilizing

When the ship, its main propulsion device equipped with clutch, arrived at the port and finished with the engine, the correct operation should be______.

A.disengaging the clutch firstly, then stopping the main engine

B.stopping the main engine firstly, then disengaging the clutch

C.stopping the cooling water pump firstly, then stopping the main engine

D.stopping the main engine and disengaging the clutch at the same time

________ the ship met with very heavy weather in the Bay of Biscay and ________ the possibility of damage to cargo and ship，I hereby note my protest against all losses，damages，etc.

A.In view of／fear

B.Owing to／fearing

C.Owing to the fact that／in anticipation of

D.Due to／afraid

My ship’s engine responds well to telegraph orders and takes about 80 seconds to reverse from full speed ahead to full speed astern. This sentence ______.

A.indicates the engine’s particulars

B.tells the engine’s function

C.shows the engine’s type

D.refers to the engine’s information

If anything abnormal be found on the load change of main engine when the ship is entering in shallow waterway, before taking measures the engineer on duty should _______.

A.stop main engine immediately

B.ask the captain and the chief engineer's permission for stopping the engine

C.inquire the bridge for the situation initiatively

D.stop engine and inform bridge

I hereby request permission to ______ the ship hull for routine maintenance．

A.put paint on

B.apply paint onto

C.oil

D.paint

In the navigation,_______cause the shafting over load most easily

A.stopping the main engine suddenly

B.changing the main engine running direction suddenly

C.the sailing from the shallow water area to the deep water area

D.the ship's trim too much