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        魏文侯燕①饮，皆令诸大夫论己。或言君仁，或言君义，或言君之智也。至于任座，任座曰：“君不肖君也。得中山不以封君之弟，而以封君之子，是以知君之不肖也。”文侯不说，知于颜色。任座趋而出。次及②翟黄，翟黄曰：“君贤君也。臣闻其主贤者，其臣之言直。今者任座之言直，是以知君之贤也。”文侯喜曰：“可反欤?”翟黄对曰：“奚为不可?臣闻忠臣毕③其忠，而不敢远其死。座殆尚在于门。”翟黄往视之，任座在于门，以君令召之。任座入，文侯下阶而迎之，终座以为上客。
                                                                                                                                                                                             （选自《吕氏春秋》）
      【注】①燕：通“宴”，宴请。②次及：依次轮到。③毕：竭尽。

如图A、B、C三种物质都含有同一种元素，B是单质，A、C都是氧化物，C是一种黑色固体物质．请回答

    A father and his young daughter get on a bus and sit down. The conductor（售票员）comes to them for their money. The father says, "I want one ticket.”Then he gives the conductor some money. The conductor looks at the girl, then he asks, "How old are you?" The father starts to speak. But the conductor stops him, and the girl says, "I am six years old at home, and four years old in buses and trains. Father tells me that.’’ The father's face turns red. He has to take some money out of his bag and gives it to the conductor. The conductor gives him one and a half (半) tickets.