我国现行图书寄销形式中不存在（）。
A.基数主发式寄销
B.主动发货寄销
C.包销式寄销
D.滚动式寄销
参考答案：C
—Are there many classrooms in your school? — ________. [ ]
A. Yes, there're
B. Yes, they are
C. No, there aren't
D. No, they aren't
金融资产市场价格下跌所带来的风险是( )
A．信用风险
B．市场风险
C．违约风险
D．流动性风险
