项英国研究称，如果学龄前小孩不愿吃蔬菜，只要他们尝尝味道，就给他们一些小奖励，或许可以帮助小孩吃下原本不想吃的食物。研究发现，每当3、4岁的小孩吃点不喜欢的蔬菜，家长就发贴...
Little Albert came home from school with a new book under his arm. It's a prize, mother, he explained. A prize? What for, dear? For natural history. Teacher asked me how many legs an ostrich has, and I said three. But an ostrich has only two legs. I...
At the modern Olympic Games, the first, second and third - placed athletes are rewarded, respectively, by gold, silver and bronze medals. At the Panhellenic Games, there was only one winner whose priz...
