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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

建筑材料管理是建筑工程项目管理的重要组成部分，在工程建设过程中建筑材料的采购管理、质量控制、环保节能、现场管理、（）是建筑工程管理的重要环节。

圈梁一般采用钢筋混凝土材料，现场浇筑，混凝土强度等级不低于（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

采用加气混凝土砌块作为承重墙体的房屋，宜采用横墙承重结构，横墙间距不宜超过()，宜使横墙对正贯通每层每开间均应设置现浇钢筋混凝土圈梁。

采用加气混凝土砌块作为承重墙体的房屋，宜采用横墙承重结构，横墙间距不宜超过（），宜使横墙对正贯通每层每开间均应设置现浇钢筋混凝土圈梁