[音频]看视频听写单词：My research team and I went to West Point Military Academy. We tried to predict which cadets would stay in military training and which would_____1_____ out. We went to the National Spelling Bee and tried to predict which children would _____2_____ farthest in competition. We studied rookie teachers working in really tough _____3______, asking which teachers are still going to be here in teaching by the end of the school year, and of those, who will be the most effective at improving learning ___4_____ for their students? We ____5______ with private companies, asking, which of these salespeople is going to keep their jobs? And who's going to earn the most money? In all those very different contexts, one characteristic emerged as a significant ____6____ of success. And it wasn't social intelligence. It wasn't good looks, physical health, and it wasn't IQ. It was ___7___.