苯海拉明最常见的不良反应是（）
A.失眠
B.消化道反应
C.头痛、头晕
D.粒细胞减少
E.中枢抑制
参考答案：E
1＃、2＃筛试车时，应检查哪些内容？
—Where’s that report?
—I brought it to you ____you were in Mr. Black’s office yesterday.
A．if
B．when
C．because
D．before
