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.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

Effects which are dutiable or subject to prohibitions or restrictions should be declared in （）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

EXCEL中操作对象的选择操作有：单元格内容的选择、（）的选择、工作表的选择。

Excel97中每个单元格内最多可以存放（）个半角字符。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

2 6 在E x c e l 中， A 2 单元格内输入 “＝S U M ( B 3 ： C 5 ， E 7 ： G 9 ) ” 后按E n t e r 键， 则A 2 最多存放 ( ) 个单元格内容的和。