注入右淋巴导管的淋巴于是（）

注入右淋巴导管的淋巴干是（）。

不注入右淋巴导管的淋巴干（）。

根据《乡村医生从业管理条例》规定，下列哪一项不属于乡村医生必须完成的工作任务范围。（）

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。

乡村医生经注册取得《乡村医师证书》后，可在（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。