A.Select * From tbAddress Where strName=萌萌 And dtmSubmit<#2008-8-8#
B.Select * From tbAddress Where strName="萌萌"And dtmSubmit<2008-8-8
C.Select * From tbAddress Where strName="萌萌"And dtmSubmit<#2008-8-8#
D.Select * From tbAddress Where strName="萌萌"Or dtmSubmit<#2008-8-8#