A thirsty crow found a pitcher with a little water at the bottom, but its beak couldn't reach. It dropped pebbles into the pitcher, raising the water level until it could drink. The crow's cleverness saved it. The moral is that necessity is the mother of invention. This simple story teaches us to use our wits in difficult situations.
【常见问题】
问题1：这个故事的主要寓意是什么？
回答1：主要寓意是遇到困难时要善于思考，利用智慧解决问题。
问题2：乌鸦为什么往瓶子里扔石子？
回答2：因为瓶子里的水太浅，乌鸦的嘴够不到，扔石子可以让水位上升。
问题3：这个故事适合什么年龄段的孩子？
回答3：适合3-8岁的孩子，简单易懂且富有教育意义。