企业成本报表的种类、项目、格式和编制方法由（）确定。
参考答案：企业自行
Some social workers _____ after the people in need while others ____ out food to the local people.
A．looked, gave
B．were looking, gave
C．were looking, were giving
D．looked, were giving
洋地黄化病人主张术前何时停用洋地黄药（）
A.24～48小时
B.12～24小时
C.48～72小时
D.3～4天
E.1周
