口袋里有6个球，每个球分别写上数字1、2、3、4、5、6，任意摸出一个球，摸出3号球的可能性是（ ）。
Questions 11 to 18 are based on the conversation you have just heard.
A．The effects of the flood.
B．The cause of the flood.
C．The heroic fight against a flood.
D．Floods of the past twenty years.
胃逆康胶囊的不良反应是
A．引起心动过速、心源性休克、过敏性休克等B．个别患者服后嗳气气味较重C．可见轻度腹泻D．偶见口干嘈杂E．个别有口干现象
