the poor visibility
the fog signals
the fast speed
the good sight
第1题：
When cargo aboard a jack-up in transit becomes adrift，the tow vessel should be asked to ______.
A.turn into the seas
B.turn to be parallel to the seas
C.reduce speed
D.increase speed
第2题：
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
第3题：
()the fog, we should have reached the annual meeting site on time.
A. Because of
B. In spite of
C. But for
第4题：
one short blast
one prolonged blast
two short blasts
three short blasts
第5题：
increase ship's speed
slow down ship's speed
make up ship's speed
fix up shp's speed
第6题：
Your ship must {speed up}．
A.reduce speed
B.increase speed
C.change speed
D.stop engine
第7题：
第8题：
A.Because of
B.In spite of
C.In case of
D.But for
第9题：
one short blast
one prolonged blast
two short blasts
第10题：
watchman
look-out
look out
looker