反映财务成果的报表为______。
A．资产负债表 B．利润表C．单位产品成本表 D．现金流量表
参考答案：B
给幼儿注射脊髓灰质炎疫苗，预防小儿麻痹症，这属于 [ ]
A．计划免疫
B．自然免疫
C．非特异性免疫
D．免疫监视
________it is hoped that college students should be equipped with the ability to take a good set of notes, this is not always the case．
A．When
B．While
C．As
D．Unless
