我国的股份有限公司可以发行的有价证券包括（）。
A.股票
B.金融债券
C.公司债券
D.政府债券
参考答案：A, C
痤疮的皮疹特点为（）。
A.有黑头粉刺和白头粉刺
B.多为与毛囊一致性丘疹
C.发生于面部和胸背部
D.发生于下肢及足背
E.可以红斑及毛细血管扩张为主
In those days, our ________ concern was to provide people who were stopped by the snow storm with food and health care.
A．normal
B．constant
C．permanent
D．primary
In those days, our ________ concern was to provide people who were stopped by the snow storm with food and health care.