题目

将直线y=x+b沿y轴向下平移3个单位长度后经过点A(-1,2),则b的值为. 答案：【1】6听下面一段材料，回答第1-3题。1. What is the probable relationship between the man and the woman?A. Friends.   B. Neighbors.   C. Father and daughter.2. What does the woman NOT talk about?A. People in the city.   B. Traffic in the city.   C. The cost of the living.3. What do we know about the woman?A. She's not married yet.B. She's tired of living in the city.C. She'll move back to the countryside soon.