招标代理机构是依法设立、从事招标代理业务并提供相关服务的（）。
A．社会中介组织
B．行政机构
C．企业法人
D．事业单位
参考答案：A
The new actor played the part quite____the old one.
A．different from
B．differently from
C．different between
D．differently with
早吸吮有何重要性？
