在WORD的编辑状态下打开了一个文档，对文档做了修改，单击“关闭”命令后()。

打开一个命名为1.PPT的文件，修改后另存为2.PPT，则（）。

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（）.

打开一个已有文件，然后在文件末尾添加信息，正确的打开方式为（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

在用Word进行文本编辑时，打开一个已有的文档进行编辑后，如果既想保留编辑修改前的文档，又想得到修改以后的文档应该使用（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。