Jack with his father shopping every Sunday. A. is B. go C. goes D. are 答案:C 本句主语为Jack, with短语不影响主语 ,故谓语动词应用第三人称单数形式,可排除B、D两项。“去购物”用固定短语go shopping。由句末的every Sunday可判断此句为一般现在时,故选C项。如图,反比例函数y=与一次函数y=ax+b交于A(3,1)和B(1,m)两点.(1)求一次函数和反比例函数的解析式;(2)结合函数图象,请直接写出>ax+b的解集;(3)若P是x轴上一点,且△ABP的面积是6,求点P的坐标.