多层砌体建筑，应优先采用（）的结构体系。

根据《建筑抗震设计规范》多层砌体房屋的结构体系，应符合下列（）要求。

根据《建筑抗震设计规范》多层砌体房屋的结构体系，应符合下列（）要求。 

关于多层砌体结构材料特点的说法，正确的有（）。

关于多层砌体房屋结构特点的说法，正确的有（）。

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。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。