企业购进原材料60000元，款项未付。该笔经济业务应编制的记账凭证是（）。
A、收款凭证
B、付款凭证
C、转账凭证
D、以上均可
参考答案：C
Questions 24-30
It is implied in the passage that ______.
A．the Maces believe a good career is even more important than their family life
B．Rodney’s children are quire happy with their position in the family
C．even capable women sometimes need encouragement from their families
个体死亡之后，某些器官、组织、细胞还保持（），并能对（）刺激产生反应的现象，称为超生反应。
