（）在美国历史上被誉为“开国元勋”和黑奴解放者的两位总统是：

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.

我国栽培花卉的历史悠久，花卉名品众多，其中（　　）被誉为“花草四雅”。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

中国历史上第二度出现大城市崛起的时间是在（）以后。

历史上，巴斯尔样式第二次登上历史舞台是在（）

●设AND、OR和NOT分别表示按位与、按位或和按位求反运算，且X=10011011，Y=01111010，Z=11101000，则(NOT(X) AND Y)= (9) ， (Y OR NOT(Z))= (10) 。10011011011110101110100001100000(10)

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。