A:郑和
B:戚继光
C:郑成功
“日出江花红胜火,春来江水绿如蓝”,诗中使江水变绿的生物是 ( )
已知三棱锥S﹣ABC的所有顶点都在球O的球面上,AB=BC=CA=3,SA=SB=SC,球心O到平面ABC的距离为1,则SA与平面ABC所成角的大小为( )
—Have you ever seen Zhou Libo’s talk show?—Yes. It's very funny and it often makes people .
近代西方资产阶级提出的“天赋人权”“权利平等”口号的理论基础是