题目

In a small village, there is a teacher, a doctor, a driver, and a policeman. The four men are good friends. What are their names？One is Tom, one is Jack, one is Mike and one is John. Mike’s, Jack’s and Tom’s children are classmates. John has no children. He teaches his friends’ children at a middle school. Mike works at a police station. He loves his job very much. Jack has a car. He often drives his car to go to work or visit his friends. The doctor’s house is next to the driver’s, so the children often play together.【小题1】Do they all have a child?A．Yes, they do.B．No,马红家有一块边长是15米的正方形菜地．今年她把这块菜地的一组对边分别增加了3米，另一组对边长度不变．这决菜地的面积增加了多少平方米？(先在图上画一画，再解答)