在Rt△ABC中，AB=3,AC=4，∠BAC=90°，则以点A为圆心，以3为半径的圆与BC边所在直线的位置关系是（ ）。
相交
脊髓型颈椎病典型的临床症状是
A．肩臂麻痛
B．眩晕
C．颈部疼痛
D．行走不稳
E．猝倒
He accidentally ________ he had quarreled with his wife and then he hadn’t been home for a couple of weeks.[ ]
A．let out
B．took care
C．made sure
D．made out
