题目

    We don’t know how different our future will be in the future. We can only try to imagine it. At first we think about human relationship. In the year 2050, we will use computers almost every day. We will be making new friends through the Internet--- even our husbands or wives will be met in this way. It will be much faster and easier for us. On the other hand, our relationships with people won’t be as important as they are today---we will feel a little lonely.     Computer will also help us in many other activities in 2050. For example, they will be used by the children at s过点且与直线垂直的直线方程为                 .