A:1
B:2
C:233
D:2
升降机地板上放一个弹簧盘秤,盘中放一质量为m的物体,当秤的读数为0.8mg时,升降机的运动可能是( )
— Where's Jiangyan? Is it far away from Xuzhou?
— It's ______the south of Xuzhou and ______ the east of Taizhou.