承兑交单的起算日应为( )。
A.出票日 B.付款人见票承兑日 C.付款日 D.托收日
参考答案:B
Only when they were put in prison and lost freedom(自由) _________ its importance.
A.they realized
B.did they realize
C.realized they
D.had they realized
以下不属于数据库系统(DBS)的组成的是( )。
A. 23 47
B. 10 36
C. 22 44
D. 24 50