我国浩如烟海的史书典籍中，以哲学智慧解决难题的典故不胜枚举。下列典故中体现创新意识的是（    ）

①凿壁借光

②疱丁解牛

③曹冲称象

④田忌赛马

    Uncle Lee is coming to have dinner with us. Mom and I go shopping. We don't have any meat. We need to buy some. It's ten yuan a kilo before. But now two kilos are sixty yuan. I say, "Mom, let's buy some fish." Mom answers, "OK." Fish is Uncle Lee's favorite food. We buy one kilo and a half. We also buy some vegetables and some chicken, but we don't buy any hamburgers. Uncle Lee doesn't like them at all. Mom also wants to buy some apples for me. You know, I like bananas, oranges and peaches, but I like apples best. But we can't find any. We go home at a quarter to five in the afternoon.

材料一：******在十九大报告中指出：“过去的五年，创新驱动发展战略大力实施，创新型国家建设成果辛硕，天宫、蛟龙、大眼、墨子号、大飞机等重大科技成果相继问世。

材料二：******在十九大报告中指出：“创新是引领发展的第一动力，是建设现代化经济体系的战略支撑。要瞄准世界科技前沿，强化基础研究，实现前瞻性基础研究、引领性原创成果重大突破。