（）是每个验光员必备的学习态度。

验光员的工作态度应该平淡如水。

（）是指普调考、技能竞赛、新员工结业考试或技能竞赛等规模较大的考试考核活动。

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.

一女大学生，从未戴过隐形眼镜，打算验配隐形眼镜参加面试，验光双眼-6.00/-1.00*95，你会选择下列哪个隐形眼镜度数为顾客试戴（）

（）的态度是每个验光员应必备的。

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。