不属于计量器具基本特征的是()。
A.准确性
B.溯源性
C.统一性
D.稳定性
参考答案:D
The doctor told her that her badly injured husband had a 50-50 chance of ________.
A.conflict
B.survival
C.withdrawal
D.convenience
下列各项中,属于企业资金退出的是( )。
A.购买原材料
B.偿还债务
C.向投资者分配利润
D.向国家上交税金