可扩张支气管，且有正性肌力及扩血管、利尿作用的药物是（）

扩张支气管并有正性肌力及扩血管、利尿作用的药物是

支气管扩张的典型症状是（）。

支气管扩张的典型症状是（）。

支气管扩张可分为柱状和囊状扩张。

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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

以下哪些情况会造成提示“Incorrect number or IP address”？（）

癞皮病的典型症状包括哪些( )

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。