铁水液面计操作的作用是（）。
A．测量铁水罐液面位置
B．测算实际出铁量
C．满量报警
参考答案：C
—When is your birthday?
—_____.[ ]
A. I was born in 1994.
B. I was born in Shanghai.
C. It's on 8th August.
D. I have a birthday party every year.
使用的记账方法不同，账户左右两方具体反映的内容却应是相同的。（ ）
