单选题All of the following are distress signals under the Rules EXCEPT（）.A International Code Signal AAB orange-colored smokeC red flaresD the repeated raising and lowering of outstretched arms

One of the signals, other than a distress signal, that can be used by a rescue boat to attract attention is a/an ______.

A.red star shell

B.searchlight

C.burning barrel

D.orange smoke signal

A、Under no circumstances I will

B、Under all circumstances I will

C、Under no circumstances will I

D、Under all circumstances will I

Which of the following fall(s) under the responsibilities of a project manager?

A . Labor relations with project personnel

B . Affirmative action

C . Personnel training

D . Discrimination and equal employment opportunity

E . All of the above

A vessel on the high seas that is not under command shall display which of the following day signals? ______

A.Two black balls

B.Three black balls

C.Two red balls

D.Three red balls

According to the navigation rules, all of the following are engaged in fishing except a vessel ______.

A.Setting nets

B.Trawling

C.Using a dredging net

D.Trolling

A vessel sailing shall keep out of the way of all of the following vessels except a vessel ______.

A.not under command

B.engaged on pilotage duty

C.restricted in her ability to maneuver

D.engaged in fishing

A、Distress/distress

B、allship/Distress

C、Distress/ALL ship

D、All ship/All ship

In determining a safe speed, the Rules list all of the following as factors which must be taken into account EXPECT the ______.

A.limitations of radar equipment

B.presence of background lights at night

C.maximum horsepower of your vessel

D.maneuverability of your vessel