读“亚洲范围略图”，完成以下问题。

我国政府为公民行使监督权提供了多种合法渠道，下列做法属于民主监督的是（    ）

①公民通过社情民意反映制度提出意见

②公民通过信访举报制度提出意见和建议

③公民召开听证会就政府拟定方案发表意见

④公民向相关部门反映环保部门治污不作为

    It's sunny today. The sun is shining(照耀)in the sky and it's very hot. Nancy goes to the train station(车站)to meet her mother at noon. She walks in the street. There are no trees and she's fat. So she feels very hot. But she doesn't find (发现)a boy walking behind her. And she meets a friend and says "Hello" to him. "Who's the boy behind you?" asks(问) the man. Now she sees the boy. She is angry and asks, "Why(为什么) do you walk behind me, boy?" there's no shade(阴凉处) in the street, you know" answers the boy. "It's cool behind you, I think(想)."