报关企业和进出口货物收发货人须经海关注册登记许可后方可向海关办理报关单位注册登记手续。
参考答案：错
既能清热利尿，又能杀虫止痒的药物是 ( )
A．辛味 B．甘味 C．酸味 D．苦味 E．淡味
______ come into leaf or bloom is obviously a sign of spring.
A．Trees
B．The trees
C．That trees
D．What trees
