单项选择题

I hereby request permission（）the ship’s main engine for routine maintenance.

A.immobilize
B.to immobilize
C.immobilization
D.immobilizing

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单项选择题

I haven’t seen the Harbor Officer（）.

A.yet
B.still
C.already
D.just now

单项选择题

I have steerage way. It is said that（）.

A.I am underway
B.I am out of control
C.I am not making way through the water
D.I have the amount of movement forward which the ship needs to be steered properly

单项选择题

I have pleasure in informing you that all safety equipment is in（）working order.

A.full
B.care
C.intentional
D.reasonable