A:cat
B:panda
C:chair
Nowadays working women bear a lot more pressure _________them from families and careers.
(Ⅰ)求a的值及圆C的直角坐标方程;
(Ⅱ)设圆C与直线l交于点A、B,若点P的坐标为(3, 5 ),求|PA|+|PB|.
根据所给的汉语完成下列句子