读下面的古诗，完成题目。

                                                                                                                                               望岳
                                                                                                                               岱宗夫如何？齐鲁青未了。
                                                                                                                               造化钟神秀，阴阳割昏晓。
                                                                                                                               荡胸生曾云，决眦入归鸟。
                                                                                                                               会当凌绝顶，一览众山小。

通过精确测量发现，地球是一个

求经过点A（﹣2，2）并且和两个坐标轴围成的三角形的面积是1的直线方程．

如图，∠B与∠1、∠2、∠3、∠4分别是哪两条直线被哪一条直线所截得的什么角？请一一写出来．