Excel中不可以对数据进行排序。
参考答案:错
Public relations practice is the deliberate , planned and sustained effort to establish and maintain mutual understanding between an organization and its public.
A.complete
B.related
C.intentional
D.active
1957年,我国从事工业的劳动者有多少人()
A.1.93亿
B.0.21亿
C.0.23亿
D.无法确定