讲《候鸟》一课时,谈到春来秋去的大雁,坐在后排的一位小男孩站起来问:“每年的春天,大雁为什么还要飞回北方去呢?它为什么不永久地住在四季如春的南方呢?”我不禁一怔,这是我未曾想到的一个问题。大雁的迁徙分为“秋去”与“春来”两个阶段。如果小男孩问的是“秋去”,那么我 When I talked about the migratory birds, I talked about the geese coming to spring and fall. A little boy sitting in the back stood up and asked, “Why does the geese fly back to the north every spring? Why doesn’t it live permanently? What about the spring in the south?” I couldn’t help but notice that this was a problem I hadn’t thought of before. The migration of wild geese can be divided into two stages: “fall” and “spring.” If the boy asks “fall,” then I