口服补液及时纠正脱水，应用ORS，说法正确的是（）

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。

不属于对锰矿石的质量要求的是（）。

炼铁所用的原料包括铁矿石、锰矿石、（）、燃料及其它辅助原料等。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

门式刚架安装测量工作主要是校正（）。

某锰矿开采企业2009年2月计划开采锰矿石6 000吨，实际开采6 200吨，计划销售5 500吨，实际销售5 800吨，则当月资源税课税数量为（ ）。