改革开放给深圳带来了翻天覆地的变化,请对比深圳的新老图片,写一篇深圳改革开放前后变化的作文。不少于6句话。x=-1;y=2.改革前改革后 答案 One possible version:Thirty years ago, there were a lot of rivers in Shenzhen.People usually went fishing there. They had small and old houses.They lived a ...