A:turned out
B:turned u
C:turned over
D:turned off
下列说法错误的是( )
已知点A(﹣2,0),B(0,4),点P在圆C:(x﹣3)2+(y﹣4)2=5上,则使∠APB=90°的点P的个数为( )
— Wow, I think China Dinosaur Park is great fun.