应急活动的最基本原则是( )。
A．现场指挥
B．统一指挥
C．集中指挥
D．分级响应
参考答案：B
In relation to remedies for breach of contract, explain:
(a) the difference between liquidated damages and penalty clauses; (7 marks)
游客游览景区如何做到尊重其他游客的权利？
