呼吸道感染约占院内感染（）。

呼吸道感染约占院内感染（）

引起院内感染的薄弱环节有哪些？如何控制院内感染？

院内感染是指患者（）发生的感染。

院内感染是指（）。

院内感染又分为（）、（）。

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.

多少例院内感染属于院内感染暴发。（）

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。