我国健身界常用的运动强度公式是（）。

运动频率是指每周锻炼的次数。每周锻炼几次是最适宜的频率。（）

运动处方健身锻炼主要是采用（）

早锻炼的运动负荷不宜过大，时间不宜过长，适宜时间为（）。

早锻炼的运动负荷不宜过大，时间不宜过长，适宜时间为（）。

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。