作为认识的初级阶段，感性认识的三种形式是（）

感性认识是认识的初级形式，是产生理性认识的原材料。

可以在（）阶段采用Make-or-buy决策分析。

马克思主义关于人类社会必然走向共产主义的基本原理，是建立在对人类社会发展规律正确认识的基础上的科学预见。共产主义是一种（　　）。

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。

什么是感性认识和理性认识？两者辩证关系原理对我国社会主义现代化建设有何重要的指导意义？

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。