2013
高考英语二轮（阅读理解）35分钟限时训练（8）及答案 a words：304 难度系数：★★ 建议用时：7分钟 when you see geese flying along in v formation, you might consider what science has discovered as to why they fly that way. as each bird flaps wings, it creates an uplift for the bird immediately following.by flying in v formation, the whole flock at least 71 percent greater flying range than if each bird flew on its own.individuals who share a common direction and sense of community can get where they are going more quickly and easily because they are travelling on the pushing force of one another. when a goose falls out of formation, it suddenly feels the drag and resistance of trying to go it alone, and quickly gets back into formation to take advantage of the lifting power of the bird in front.if we have as much sense as a goose, w
