结构中含有极性基因，中枢镇静副作用小的抗过敏药物有
A．盐酸西替利嗪
B．盐酸苯海拉明
C．马来酸氯苯那敏
D．盐酸赛庚啶
E．非索非那定
参考答案：A,E
A．快结婚了
B．没收到邀请
C．承认了错误
D．不能参加朋友的婚礼
— I heard that more than 500 people were killed in ten days during that Cholera outbreak.
— Yes, _____ news came as _____ shock to us. [ ]
A. the; /
B. the; a
C. /; a
D. /; /
