下列各项中，会计期末无余额的账户是( )
A．应交税费
B．主营业务成本
C．实收资本
D．生产成本
参考答案：A
The new invention made last month would have a variety of _______ in industry.
A．discoveries
B．profits
C．guidances
D．applications
由系统原因引起的产品质量波动是异常波动。
