癫痫单纯部分性发作其发作持续时间是（）
A.不超过1分钟
B.数分钟
C.十几分钟
D.几十分钟
E.1小时以上
参考答案：A
They were walking along the shore _______ a huge wave appeared out of nowhere, sweeping them out to sea.[ ]
A．as
B．while
C．when
D．though
暂进口货物转为正式进口需予补税时，应按原进口之日实施的关税税率计征关税。 ( )
