Jack was born ___________ May 5th, 1980.[ ]
A. in
B. at
C. on
D. /
答案:C
目前世界各国实行的都是( )的信用货币制度。
A.兑现 B.不兑现 C.现金交易 D.期票
气滞的发生和下列哪一脏的关系最不密切
A.心B.肝C.脾D.肾E.肺