记账凭证按内容分()。
A.外来记账凭证与原始记账凭证
B.一次凭证、累计凭证、汇总凭证
C.复式凭证与单式凭证
D.收款凭证、付款凭证、转账凭证
参考答案:D
---When shall we meet your cousin at the station?
---His plane took off 2 hours ago, and it _________ arrive at 5pm.
A.could
B.should
C.must
D.can
大风天,应检查户外电气设备各引线(),其摆动不应引起事故,危及安全运行。