核电站由核蒸汽供应系统和一个发电系统及维护和保障这二个系统正常运行的服务系统构成。
参考答案:对
I’d like to talk about (1) in England and Wales, and in England and Wales there are (2) of council. For instance, if I could take the example of Oxfordshire, there is (3) where they are responsible for education, (4) , structure planning, highways, (5) , and so on. And there are (6) district councils, again in Oxfordshire, and they are (7) , in particular council housing, for local plans, for (8) , environment health, and they’re also responsible for (9) , and in Oxford, for instance, they are building an ice-rink (10) of the city. If we could (11) the question of education, I think this would (12) of local government in the (13) . First of all, there is a minister at (14) level. He is the (15) for Education and he’s responsible for running a (16) education system in the (17) . But (18) there is a lot of local control. So the local councils, (19) such as Oxfordshire County Council, actually run the schools and colleges in their (20) .
下列关于大气无组织排放监控点和参照点监测采样说法错误的是( )。
A.无组织排放监控点和参照点监测采样一般采用连续1h采样计平均值
B.若浓度偏低,需要时可以适当延长采样时间
C.若分析方法灵敏度高,仅需用短时间采样时,在短时间内采一个样品即可
D.若实行等时间间隔采样,应采4个样品计平均值