新《济贫法》认为保障公民的生存是国家的一项义务，而公民享其救济则是权利。
参考答案：对
Which of the following statements about exchange-traded derivatives is FALSE()
A. They are liquid and provide price information.
B. They are standardized contracts.
C. They carry significant default risk.
推挽功率放大电路无信号时，两个晶体管仍将消耗电源功率。（）
