现场()制取试样并做出标识后,应按试样编号顺序登记试样台账。
A.技术人员
B.资料人员
C.试验人员
D.施工人员
参考答案:C
It ______ me two hours to finish cleaning my room yesterday. [ ]
A. took
B. taking
C. taked
D. takes
宋元明三代的监察制度各有什么特点?