证明：任意一个反比例函数图象y=$\frac{k}{x}$关于y=±x轴对称．

完形填空

　　I have a good name, Henry. I am fourteen years old. I1England. I’d like2you my dream in the future. I will be a doctor3ten years. I will work in London4it is a beautiful city. It’s our capital. As a doctor, I will meet all kinds of sick people. But I’m glad5help people. I will live in a big house6my family because I don’t like7alone. I will have a car, a nice car. 8I can’t drive now. Because I’m too young, my mother9allow(允许)me to drive now. I will have a robot. The robot will help me10my housework. I hope my dream will come true one day.