A

    Shanghai's Maglev Train(磁悬浮列车) runs from Longyang to Pudong International Airport(国际机场). The whole trip takes about 8 minutes.

    Children at or under 120 cm tall don't need to buy tickets to take the train, but they cannot take the train by themselves. Children above 124 cm must buy a full-price ticket.

    If you buy a round ticket, you can get on the train at Longyang Road Station or Pudong Airport Station, and get off at the other station. The return part of the ticket must be used on the same day.

如图所示，函数y₁=|x|和y₂=$\frac{1}{3}x+\frac{4}{3}$的图象相交于（－1，1），（2，2）两点．当y₁＞y₂时，x的取值范围是(    )

下列实验基本操作中正确的是