将工件加热到界点以上温度,保温一段时间,然后切断电源,等工件冷到室温后取出。此种工艺为()
A.淬火
B.正火
C.退火
D.调质
参考答案:C
After the flood, the first thing the government did was to provide_____ for the homeless familie.[ ]
A. accommodation
B. qualification
C. occupation
D. admission
调查文书起始部分有哪些文字记载 ()。
A、执法人员出示执法证件
B、告知陈述申辩
C、告知申请回避权
D、告知听证权