Can you see _____________?
A:what he's reading
B:what is he reading
C:what does he read
D:he reads what
竖直向上抛出的物体,它能在空中向上运动一段时间然后落下来.这是因为( )
请你在虚线框内如图1划出电路图并用笔画线代替导线把图2中的器材连接成实验电路.