质量认证的表示方法为( )。
A．认证证书
B．安全认证
C．合格认证
D．长城标志
参考答案：A
部门负责人多长时间组织一次客户信息管理自查（）
A.周
B.月
C.季度
D.半年
_____ was known to all, William had broken his promise _____ he would give us a rise. [ ]
A. As; which
B. As; that
C. It; that
D. It ; which
