【多选题】n 石化企业在设备或装置检修时,需要在场内禁火区进行动火作业,必须 在动火前办理 “ 动火安全作业证 ” 。下列()作业属于动火作业。
【判断题】会计账户是根据会计科目开设的,具有一定格式和结构
【单选题】Which is the following statements about the first two definitions of ethnicity discussed in the first paragraph is supported by the passage?
A.
One is supported primarily by sociologists, and the other is favored by members of ethnic groups.
B.
One emphasizes the political aspects of ethnicity, and the other focuses on the economic aspects.
C.
One is the result of analysis of United States populations, and the other is the result of analysis of European populations.
D.
One focuses more on the ancestral components of ethnicity than does the other.
E.
One focuses more on immigrant groups than does the other.
【单选题】以下选项中不属于我国政府采购制度的规范的主体范围的是()。
【单选题】which of the following sentences is right ?
A.
It is the first time that I have seen Andy’s concert.
B.
It was until her father came back that she didn’t go to bed.
C.
We feel that our duty to help the people in disaster-stricken areas.
D.
I’m about to go shopping tomorrow.
【单选题】在禁火区内进行电气焊时,必须办理( )。