A:抽签选举制
B:陶片放逐法
C:差额选举制
D:比例代表制
一木块如右图放置在水平桌面上,沿虚线切去一半,将其放在上面,此时地面受到的压强是原来的( )
兄弟
—Lin Dan won the badminton game again.
—Yes. I think no one can do than him.