读网络教育学院非英语专业和非艺术类专业专升本的学生报考统考，除计算机应用基础外，还需报考（）

Duty is an act or a course of action that people ______you to take by social customs, law or religion.

 ______ twice a year, whether it is a car or a bus or a truck, is the rule that every driver must obey in this city.

Is this（）longer or shorter?

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

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.

The （） is used for hauling in or letting out the wires or ropes.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

The（）may examine or re-examine the goods or take samples from them straightaway in the absence of the consignee or the consignor whenever it considers this necessary.

（ ）estimating is a technique for estimating the duration or cost of an activity ou project using historical data from a similar activity or project.

Damage to cargo caused by fumes or vapors from liquids，gases，or solids is known as（）.