A vessel traveling down a narrow channel，especially if the draft is nearly equal to the depth of the water，may set off the nearer side. This effect is known as（）.

A vessel is considered to be “restricted in her ability to maneuver” under the Rules if she is （）.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

A vessel showing a green light over a white light in a vertical line above the level of the sidelights is（）.

A vessel is carrying three lights in a vertical line. The highest and lowest of these are red and the middle light is white. Which statement is always TRUE? （）

A vessel has a charter party for one voyage to carry a full load of manganese from Durban，South Africa，to Baltimore，Maryland，at a stipulated rate per ton. Which type of contract is involved? （）

（）is due，in spite of that the salvage services have been rendered by or to vessel belonged to the same owner.

A vessel entering the eye of a hurricane should expect（）.

A vessel is “l(fā)isted” when it is（）.

A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights（）.