【简答题】Nations are classified as “aged ” when they have 7% or more of their people aged 65 or above ,and by about 1970 every one of the advanced countries______(become) like this.
【单选题】In the three communities______.
A.
the aged must retire at a certain age
B.
the aged worked till death
C.
there is no retirement age the aged must observe
D.
the aged needn't work if they don't like to
【简答题】A. aging B. years C. aged D. ranging
【多选题】根据《档案馆建筑设计规范》,档案库房屋顶应采取保温、隔热措施,下列规定符合条件的有()。
A.
平屋顶上采用架空层时,基层应设保温、隔热层;架空层应通风流畅,其高度不应小于0.30m
B.
炎热多雨地区的坡屋顶其下层为空间夹层时,内部应通风流畅
C.
平屋顶上采用架空层时,基层应设保温、隔热层;架空层应通风流畅,其高度不应小于0.50m
D.
炎热多雨地区的坡屋顶其上层为空间夹层时,内部应通风流畅