铁路客运运价里程表》接算站示意图中，接算站用（）圆圈表示。
A.黑色
B.红色
C.绿色
D.黄色
参考答案：B
Which of the following is NOT true according to the passage
A．Mr. Webster was a witness of the accident.
B．Mr. Webster didn't take a fire extinguisher to the van.
C．Mr. Webster helped to put out of the fire.
D．Mr. Webster was willing to be a helper in the accident.
某工人的月工资为2000元，则月工资为（）。
A.品质标志
B.数量标志
C.变量值
D.指标
