單項選擇題I deem()unnecessary to do so.

A.it
B.you
C.this
D.that


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3.單項選擇題I can’t()this matter a conclusion today.

A.take
B.bring
C.carry
D.get

4.單項選擇題I can not take any actions to avoid close quarters situation with you,because your navigation lights().

A.is not visible
B.are not invisible
C.are not visible
D.can easily be seen

5.單項選擇題I AM MAKING WATER means().

A.My vessel is leaking
B.My vessel is producing fresh water
C.My vessel is producing sea water
D.Sea water is de-salted on board my vessel