單項選擇題

The term restricted visibility，when used in the Rules，refers to（）.

A.situations when you can see vessels on radar that you cannot see visually
B.visibility of less than half a mile
C.any condition where visibility is restricted
D.visibility where you cannot see shore

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單項選擇題

The term power-driven vessel means（）in these Rules.

A.any sailing vessel with propelling machinery
B.any vessel propelled by machinery
C.any sailing vessel with or without machinery for propelling
D.any sailing vessel with propelling machinery not in use

單項選擇題

The steering and sailing rules for vessels in restricted visibility apply to vessels（）.

A.in sight of one another in fog
B.navigating in or near an area of restricted visibility
C.only if they are showing special purpose lights
D.only if they have operational radar

The term restricted visibility，when used in the Rules，refers to（）.

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The term power-driven vessel means（）in these Rules.

The steering and sailing rules for vessels in restricted visibility apply to vessels（）.

The term restricted visibility，when used in the Rules，refers to（）.