直接工程费由人工费、材料费、施工机械使用费组成，下列各种人工工费的支出，应计入上述人工费是（）

建筑起重机械安装拆卸工、起重信号工、起重司机、司索工等特种作业人员应当经建设主管部门考核合格，并取得（）后，方可上岗作业。

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。

一台电脑通常的部件组成通常由主机、显示器、键盘、鼠标、（）组成。

挖掘机装载时，铲斗可以从汽车司机室上方通过。

乘坐由专职司机驾驶的小车时，通常讲究（）尊（）卑，后排为尊、前排为卑。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。