简述类风湿关节炎(美国风湿病学会1987年)分类标准。

临床确诊类风湿关节炎患者，近日来主诉右侧膝关节肿胀、无力。类风湿关节炎患者最常累及的关节是（）。

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。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

主要用于治疗风湿性和类风湿性关节炎的药物是（）

主要用于治疗风湿性和类风湿性关节炎的药物为

不用于风湿性、类风湿性关节炎的药物是（）