王某在高中学习期间，经常违反纪律，对师长的批评教育置若罔闻。一天，他和社会上的不良青年一起，向低年级同学索要钱财，并将对方打伤，被公安机关拘留。出来后，王某仍不思悔改，在社会上常寻衅滋事，在一次打架斗殴中将他人打伤致残，被人民法院依法判处有期徒刑。王某走上违法犯罪的道路，给青少年的警示有 (    )

①不能与社会上的人来往

②要自觉接受家庭、学校的教育

③要学法守法，增强法律意识

④要防微杜渐，勿以恶小而为之

阅读下文，回答相关问题。

                                                                                                          陈太丘与友期

                                                                                                                  刘义庆
         陈太丘与友期行，期日中。过中不至，太丘舍去，去后乃至。元方时年七岁，门外戏。客问元方：“君在不？”答曰：“待君久不至，已去。”友便怒曰：“非人哉！与人期行，相委而去。”元方曰：“君与家君期日中，日中不至，则是无信；对子骂父，则是无礼。”友人惭，下车引之。元方入门不顾。

    Mary is a little girl. She is only four. She is not at school. She doesn't know how to read or write. But her sister Joan is a schoolgirl. She is ten years old. She knows how to read and write. One day, Joan sees her little sister in the room. She's at the table. There's a pencil in her hand. She's writing. “What are you writing, Mary?” She asks. “I'm writing a letter to my friend Rose. ” “But you don't know how to write. ”says her sister. “Well,” says Mary, "it doesn't matter. Rose doesn't know how to read. "