The meaning of slacken her speed is（）.

Where one of two vessels is to keep out of the way the other________.

A.shall not keep her course but shall keep her speed

B.shall not keep her course and speed

C.shall keep her course but change her speed

D.shall keep her course and speed

A vessel hearing a fog signal forward of her beam has not determined if risk of collision exists. She shall reduce speed to ______.

A.moderate speed

B.safe speed

C.half speed

D.bare steerageway

The author gradually realizes her mother's English is____________．

A．well structured

B．in the old style

C．easy to translate

D．rich in meaning

Leeway is the ______.

A.difference between the true course and the compass course

B.momentum of a vessel after her engines have been stopped

C.lateral movement of a vessel downwind of her intended course

D.displacement of a vessel multiplied by her speed

MV CASABIANCA ordered the MV RADIANT MED to wait for her and the MV RADIANT MED acknowledged the message stating that speed was being reduced as far as possible. This sentence says that ________ ．

A.MV RADIANT MED was told by MV CASABIANCA to reduce her speed

B.MV CASABIANCA was told by MV RADIANT MED to reduce her speed

C.MV CASABIANCA was reducing her speed but she could not wait for MV RADIANT MED

D.MV RADIANT MED was reducing her speed but she could not wait for MV CASABIANCA

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

The term "moderate speed" was previously interpreted（解释） as meaning a speed which would enable a vessel ______within half the range of visibility.

A.stopping

B.being stopped

C.to stop

D.to be stopped