“一机多户”是指一台支付密码器只能设置存款人在同一银行的多个账号。（）
参考答案：错
I'm not a little tired today after giving the room a thorough cleaning and I have never had ____ today.[ ]
A. as tiring a day as
B. as a tiring day
C. tiring as a day as
D. day as a tiring as
当灌装至容器高度的1/2～3/4时，油品产生的表电电压（）。
A、最低
B、居中
C、最高
