钙通道阻断药对下列哪种平滑肌松弛作用最明显：
A．子宫B．血管C．输尿管D．胃肠道E．胆道
参考答案：B
Mrs.Gao often says, “I _______ one million smiles in my heart _________ one billion dollars in my
pocket.” [ ]
A. don’t like; but
B. prefer; than
C. would rather; than
D. prefer; to
进出口货物收发货人所属的报关员离职的，应当自报关员离职之日起( )日内向海关报告并注销其报关员证件。
A．7
B．14
C．15
D．30
