---Are you on your course? ---R

-Shall I use your dictionary?

- ________.

A、Certain, you may

B、Of course, you can.

C、Surely, you can't

D、No, please get out

While proceeding to a distress site，you hear the words “Seelonce mayday” on the radiotelephone．Which action should you take ________．

A.Resume base course and speed as your assistance is no longer required

B.Acknowledge receipt and advise your course，speed，and ETA

C.Relay the original distress message as no other vessel has acknowledged it

D.Monitor the radiotelephone but do not transmit

We hope the above payment term will be acceptable to you and expect to receive your reply in due course.()

In order to reduce your wake in a narrow channel you should ______.

A.apply enough rudder to counter the effect of the current

B.change your course to a zigzag course

C.reduce your speed

D.shift the weight to the stern

By radar alone, you detect a vessel ahead on a collision course, about 3 miles distant. Your radar plot shows this to be a meeting situation. You should ______.

A.turn to port

B.turn to starboard

C.maintain course and speed and sound the danger signal

D.maintain course and speed and sound no signal

– Would you mind giving me an introduction of your company? --________________

A、Of course not.

B、Thank you.

C、I’m fine.

D、You’re welcome.

Your vessel is crossing a narrow channel．A vessel to port is within the channel and crossing your course．She is showing a black cylinder．What is your responsibility ________．

A.Hold your course and speed

B.Sound the danger signal

C.Begin an exchange of passing signals

D.Do not cross the channel if you might impede the other vessel

---Are you on your course? ---Reply: _________!

A.Course 040 degrees

B.Yes, right on the course

C.Steady on the course

D.Yes

If your vessel is the stand-on vessel in a crossing situation ______.

A.you must keep your course and speed

B.you may change course and speed as the other vessel must keep clear

C.the other vessel must keep her course and speed

D.both vessels must keep their course and speed