群体行为具有以下特征：群体行为是有意识有目的的活动，因此是有规律可循的；群体行为可以进行定性和定量的测量；群体行为可以划分为不同类型；群体行为对其成员的个体行为有很大影响，反之，群体成员的行为对群体同样有着重要影响。

非正式群体越多，活动越频繁，越表明组织在满足成员需要上（）

冲突有人际间、群体间和组织之间的冲突。

组织内群体与群体之间的冲突是（）

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.

次要群体是只对其成员的消费心理与行为的影响作用相对较小的消费群体，此类群体比较正式且不保持连续的相互影响，下列哪类组织不属于次要群体（）

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。