A:柠檬汁(2﹣3)
B:橘子汁(3﹣4)
C:西瓜汁(5﹣6)
D:牙膏(8﹣9)
两个轻小带电物体相互排斥,则 ( )
下列关于生物圈概念的描述,错误的是( )
—Why can't you give me another chance?
—________, but I don't think you are good at management.