白盒测试法又称为(4)，黑盒测试法又称为(5)。

套管法施工实际上是一种（）基础施工。

我们经常在搜索时使用组合关键词来提高检索的效率，下列表达式中，具有相同搜索效果的是（）。 ①深圳夜景 ②深圳OR夜景 ③深圳-夜景 ④深圳+夜景

回溯法也称为试探法。以下关于回溯法的结论中正确的是(50)。

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。

竞争导向定价法是一种以竞争者的价格为基础的定价方法，包括（　　）定价法。[2012年真题]

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。