ANB指令是（）指令，ORB是（）指令，与and、or指令不同。

消费者与消费者之间的电子商务，即（）电子商务。

电子商务分两个层次：一是企业与企业间的电子商务，即B2B层次，二是企业与消费者之间的电子商务，即（）层次

与传统商务相比，电子商务具有以下几个特性，即（）。

表示企业与消费者间电子商务的英文缩写是（）

总行电子银行部负责提供（）提供网站帮助信息，维护网站社区正常秩序。

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.

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。