硫酸铜目测法对标本的要求有哪些？
参考答案：
①新鲜采集的末梢血或静脉血，抗凝或不抗凝血液均可使用
②陈旧、溶血和严重乳糜的血液不可用来试验
--- It’s a shame that you missedthe lecture on the British culture given by Thompson.
--- I _________ it, but I was busy preparing the coming exam.
A．attended
B．had attended
C．would have attended
D．would attend
账务处理模块中各种正式会计账簿中的数据都来源于( )。
A．刚录入凭证
B．已审核的凭证
C．已查询的凭证
D．已记账的凭证
