社会保险基金结余总额是指截止到报告期末,社会保险基金的()结余总量。
参考答案:滚动(或累计)
It's important for us to old and young people.[ ]
A. look at
B. look up
C. look for
D. look after
ITU-TG。821建议指标规范的对象是(),ITU-TG。826建议指标规范的对象是()。