所有记账凭证必须附有原始凭证并注明所附原始凭证的张数。( )
参考答案:错
—When did John start writing music?
—______ he was in his middle school.[ ]
A. Until
B. When
C. Because
D. So
保险合同是投保人与保险人约定()关系的协议
A、财产或人身保险
B、财产利益
C、保险权利义务
D、可保利益