佛尔哈德法的指示剂是()。
A、NH4SCN
B、AgNO3
C、NH4Fe(SO4)2 ·12H2O
D、Fe2+
参考答案:C
.Not until she arrived home _____ that her wallet had been stolen.
A.did she find
B.she found
C.would she find
D.that she found
干部转业工作是指干部部门按照规定,办理部队干部(),被分配到国家机关.企事业单位工作的实践活动。
A.退出现役
B.转业
C.退休
D.复员