装运毒性物质，必须携带劳动防护用品及防散失、防雨等工、属具。
参考答案：对
— What do you think of the novel written by the well-known writer?
— Sorry, no _________!
A．wonder
B．doubt
C．comment
D．way
下列各账户，年末应无余额的是( )。
A．生产成本B．所得税费用C．盈余公积D．应交税费
