1， 1，3，5， 11，（）。

Sailing vessels are stand-on over power-driven vessels except ______.

A.in a crossing situation

B.in a meeting situation

C.when they are the overtaking vessel

D.on the inland waters of the PR China

A.not under command

B.retricted in her ability to maneuver

C.engaged in towing

D.Fishing

A stand-on vessel is ______.

A.required to give way in a crossing situation

B.required to sound the first passing signal in a meeting situation

C.free to maneuver in any crossing or meeting situation as it has the right-of-way

D.required to maintain course and speed in a crossing situation but may take action to avoid collision

In peacetime, nations may acquire special rights on open waters by______.

A. an agreement with the strongest naval powers

B. the decisions of international arbitrators

C. international agreements

D. negotiations with those who own the areas

The international situation has been growing ______ difficult for the last few years.

A．invariably

B．presumably

C．increasingly

D．dominantly

A、Meeting international rules and regulations

B、Learning foreign languages

C、Crossing culture communacation

D、Understanding local customs

A.at close range

B.at head on situation

C.at crossing situation

D.at end on situation

A.At close range

B.At end on situation

C.At head on situation

D.At crossing situation

The international situation has been growing (increase) __________ difficult for the last few years.

You are on international waters during a heavy rainstorm and hear a vessel sounding a fog signal of one prolonged blast followed by two short blasts． Which of the following could it be？Ⅰ．A vessel laying submarine cable making way．Ⅱ．A pilot vessel on station at anchor．

A.Ⅰ only

B.Ⅱ only

C.Either Ⅰ or Ⅱ

D.Neither Ⅰ nor Ⅱ