下列不是活动矫治器组成部分的是（）
A.箭头卡环
B.邻间钩
C.双曲唇弓
D.带环
E.双曲舌簧
参考答案：D
–Where is Lily?
--She Chengdu. She there for two days.
A．has been to, has been
B．has gone to, has gone
C．has been to, has gone
D．has gone to, has been
出入境检验检疫是指对出入境货物、交通运输工具、人员等进行检验检疫的活动。 ( )
