新中国成立之后的金融债券发行始于()。
A.1982年
B.1985年
C.1993年
D.1999年
参考答案:A
留样观察期内,输液每几个月检查一次()
A.半个月
B.1个月
C.2个月
D.3个月
E.6个月
He looked around nervously to ________ that there was nobody following him. [ ]
A. defend
B. confirm
C. doubt
D. insist