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, we will stay in formation with those people who are headed the same way we are.
When the head goose gets tired, it moves back in the formation and another goose flies point.It is sensible to take turns doing demanding jobs, whether with people or with geese flying south.
Geese honk from behind to encourage those up front to keep up their speed.What messages do we give when we honk from behind?
Finally—and this is important—when a goose gets sick or is wounded by gunshot, and falls out of formation, two other geese fall out with that goose and follow it down to lend help and protection.They stay with the fallen goose until it is able to fly or until it dies, and only then do they launch out on their own, or with another formation, to catch up with their group.
【2016高考英语二轮复习(阅读理解)35分钟限时训练(8)】相关文章:
★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (83)
★ (全国通用)2014届高考英语一轮单元复习 限时强化训练五
★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (63)
★ 【人教版】2014届高考英语一轮复习指导考点针对练:必修2 unit3《Computers》
★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (95)
★ 河南省三门峡市2014高考英语一轮(暑假)基础训练(7)附答案
★ 【人教版】2014届高考英语一轮复习指导考点针对练:选修6 unit4《Global warming》
★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (47)
最新
2017-04-24
2017-04-24
2017-04-24
2017-04-24
2017-04-21
2017-04-21