一个广义表的表尾总是一个广义表

一个广义表的表头总是一个广义表

假定一个链表的表头指针为f，结点中包含有data和next域，则向该链表的表头插入一个地址为p的结点时，应执行的操作为（）。

假定一个链表的表头指针为f，结点中包含有data和next域，则向该链表的表头插入一个地址为p的结点时，应执行的操作为（）。

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。

一个广义表是（a，（a，b，c），d，e，（m，n），（w，（i，j），x）），请问该广义表的长度、深度分别是多少？请画出该广义表的单链表存储结构示意图。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。