A:3,4)
B:(﹣4,﹣3
C:(1,3
D:﹣3,﹣1)
某市为方便相距2km的A、B两处居民区的交往,修筑一条笔直的公路(如图:AB),经测量,在A处的北偏东60°方向,B处北偏西45°方向的C处有一半径为0.7km的圆形公园,问计划修筑的公路会不会穿过公园?请说明理由.
When seeing the thief stealing something in the street,my uncle seized him by________arm and handed him over to the police in________end.