厦门是一个水资源供需矛盾十分突出的城市，本地水资源仅能满足全市需水量的41.26%．读图1～3，完成下列各题．

先化简，再求值：（1﹣$\frac{1}{x+1}$）÷$\frac{x-2}{x+1}$，从﹣1，2，3中选择一个适当的数作为x值代入．

    My name is Zhang Peng. I have a friend. His name is John. He has a grandpa and a grandma. They are seventy years old. They are at home. John's father works in a school. His mother is a doctor. John is a good student. They are very busy. They all get up early in the morning. John often helps his grandparents cook breakfast. There is a big garden and many young trees in front of his house. We can play games there. It's great.