【单选题】电气事故在工伤事故中占有不小的比例,据有关部门统计,我国触电死亡人数占全部事故死亡人数 的( ) 左右。
【多选题】完善公共服务体系,就要通过____等方式保障基本民生,让改革成果更多更公平惠及全体人民。
【多选题】44,完善公共服务体系,就要通过____等方式保障基本民生,让改革成果更多更公平惠及全体人民。
【单选题】Which of the following explains the essence of quota sampling?
A.
Each element of the population has an equal chance of being chosen
B.
Every nth member of the population is selected
C.
Every element of one definable sub-section of the population is selected
D.
None of the above (2 marks)
【单选题】Which of the following explains the essence of quota sampling?
A.
Each element of the population has an equal chance of being chosen
B.
Every nth member of the population is selected
C.
Every element of one definable sub-section of the population is selected