Last Sunday the Greens went to climb the hill. When they got home, it was very late. Mr. Green opened the front door and they both went into the house. Because it was too late, Mrs. Green turned on the light. Just they wanted to come into the bedroom, Mrs. Green suddenly said, “ Listen, there is someone in our bedroom.” They stood quietly outside the door. They could hear some voices in the room.
“There are two men in it. They are talking.” So Mr. Green began to shout. “Who is there?” But no one answered. Mr. Green opened the door quickly and turned on the light. There was no one there. Mr. Green found something and laughed. The radio was still on! “I forgot to turn it off this morning.” Mr. Green said.

据人民网2011年3月19日报道：17日，新京报记者在温家宝总理会见中外记者并答记者问后，向温总理送上了该报与人民网强国论坛合作征集的网民留言──“给总理的话”，总理微笑收下。在记者见面会上，温总理表示，两会期间我一直在上网，广大网民向我提问题、提建议，甚至为我分忧，多达数百万条。这么多群众以如此高的热情关注“两会”，特别是关心政府的工作，使我深受感动。他们的意见、批评都是对政府的信任、支持、鼓励和鞭策。“民之所忧，我之所思；民之所思，我之所行”。群众之所以用这么大的精力来上网写问题、提建议，是要政府解决问题的。

《深圳特区报》报道了身患绝症关爱社会的老人张慧彬的事迹：她关心痛友，关爱社会，如参与社区建设、醉心学生教育，用爱心和时间展开了一场特别的赛跑。张慧彬老人是一位_______的人（    ）

①具有亲社会的人                        ②不讲个人利益的人 

③积极参与社会公益活动的人    ④严肃认真的人