信用公司债属于无担保证券范畴。 ( )
参考答案：对
解析： 信用公司债是一种不以公司任何资产作担保而发行的债券，属于无担保证券范畴。
She got stuck in a terrible traffic jam on the highway to Shanghai，or
she dinner with her family now．
A．will be having
B．would be having
C．is having
D．was having
可增加磺胺类抗菌药的疗效：
A．磺胺嘧啶
B．柳氮磺吡啶
C．磺胺醋酰
D．甲氧苄啶
E．磺胺米隆
