如图，⊙P的圆心为P(－3，2)，半径为3，直线MN过点M(5，0)且平行于y轴，点N在点M的上方．

(1)在图中作出⊙P关于y轴对称的⊙P′，根据作图直接写出⊙P′与直线MN的位置关系．
(2)若点N在(1)中的⊙P′上，求PN的长．

    Early rising is helpful in more than one way. First, it ____ us to have good health. We all need fresh air. It makes our health better to take morning exercise. But air is never so fresh as early in the morning. Early rising helps us in our studies. In the morning we learn ____ and find it easy to learn something ____ heart. Early rising makes people able to plan the work for the day. We can not work well without a good plan. Just as, "The plan for a year should be made in spring, the plan for a day should be made in the morning." So the popular ____ says, "Early to bed and early to rise makes man ____, wealthy and wise."

下列划线字注音全对的一项是(  )