It's very important(重要的) for us to be healthy. Now I'll tell you how I can be healthy. I often eat fruit and vegetables. I don't like to eat hamburgers. They are not good for my health. I have a balanced diet. Many foods are important, such as rice, meat, eggs, vegetables and fruit. I like to eat apples. As the saying(谚语) says, “An apple a day keeps the doctor away.” And I also like doing sports. I like running in the morning. I play basketball in the afternoon with my friends. And sometimes I play ping­pong with my family at the gym on Saturdays. I think I'm healthy and strong. What about you?

关于方程88(x－2)²＝95的两根，下列判断正确的是（    ）

现有2mol金属钠，一半与氧气反应生成氧化钠，另一半与氧气反应生成过氧化钠，则上述两个氧化还原反应过程中转移的电子数之比为（　　）