当充电指示灯亮时，说明蓄电池正在被充电。
参考答案：错
Mr Liu always _____ glasses. [ ]
A. is wearing
B. wear
C. wears
D. has
( )与税收收入的表现恰好相反。
A．最终消费 B．平滑支出 C．转移支付 D．正向税收
