关于非概率抽样说法正确的是( )
A.时效快
B.易于选择样本
C.每个个体都有同等被选择的机会
D.准确性高
E.适合于探索初步信息
参考答案:A,B,E
----What do you think of the Chinese language today?
---- Quite popular. It __________ an important role in communicating with other countries. More and more foreign friends are learning Chinese.
A.plays
B.played
C.has played
D.will play
《个人信用信息基础数据库管理暂行办法》中所称个人信用信息包括什么?