最低生活保障遵循以下原则才能建立有效的安全网:______。
A.保障最低生活需求原则
B.普遍性原则
C.法制化原则
D.维护个人尊严的原则
参考答案:A,B,C,D
普查运用于()。
A.发病率低的疾病
B.诊断手段复杂的疾病
C.没有有效治疗方法的疾病
D.发病率高或诊断手段简单、预后良好的疾病
E.任何疾病
Committee X and committee Y, which have no common members, will combine to form Committee Z. Does Committee X have more members than Committee Y ?()
(1)The average (arithmetic mean) age of the members of Committee X is 25.7 years and the average age of the members of Committee Y is 29.3 years.
(2)The average (arithmetic mean) age of the members of Committee Z will be 26.6 years.
A.条件(1)充分,但条件(2)不充分.
B.条件(2)充分,但条件(1)不充分.
C.条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分.
D.条件(1)充分,条件(2)也充分.
E.条件(1)和条件(2)单独都不充分,条件(1)和条件(2)联合起来也不充分.