距今约（）年的河姆渡原始居民，生动地展现了我国（）流域原始农耕的图景，他们已使用磨制石器，用（）耕地，种植（），住着（）房子，过着定居生活。他们已挖掘（），饲养家畜，会制造（），还能制造简单玉器和原始（）。

（）shall be liable for loss of and damage to the Vessel and／or goods arising or resulting from inaccuracies in stating the description，quantity，weight，measurement or contents.

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.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

Effects which are dutiable or subject to prohibitions or restrictions should be declared in （）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

根据家畜的不同（）、性别、（）、体重、生产目的与水平；以（）中积累的经验，结合能量与物质代谢试验和（）实验的结果，科学地规定一头家畜应给予的能量和各种营养物质数量。这种规定的标准，称为饲养标准。