When you see wild geese heading south for the winter,flying along in a "V" formation (队形) ,you might consider what science has discovered as to why they fly that way. As each bird flaps (拍打) its 1     ,it creates an uplift for the 2        immediately following. By 3        in "V" formation,the whole flock 4        at least 72 % greater flying range than if each bird flew on its own.

  People who 5     a common direction and a sense of community can get where they are going more quickly and 6     ,because they are travelling on the push of one another.

  When a wild goose 7      out of formation,it suddenly feels the drag and resistance (阻力) of trying to go it 8      and quickly gets back into formation to take advantage of the 9      power of the bird in front.

  If we have as much sense as a wild goose,we will 10     in formation with those people who are 11      in the same direction as we are.  

  When the head wild goose gets tired,it rotates back in the wing and another wild goose flies point.

  It is sensible to 12     turns doing demanding jobs,whether with people 13     with wild geese flying south. Wild geese honk (叫) from behind to 14     those up front to keep up their speed.

  What message do we give when we honk from 15     ? Finally,when a wild goose gets sick or is  16      by gunshot,and falls out of formation,two other wild geese fall out with that wild goose and follow it down to lend help and 17.        They stay with the 18          wild 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 19        their group. If we have the 20     of a wild goose,we will stand by each other like that.

  May we all be " honkers" of encouragement to each other and to our friends and families!

1. A. arms   B. feathers   C. wings   D. hands

2. A. insect   B. chick   C. animal   D. bird

3. A. running   B. flying   C. arranging   D. queuing

4. A. adds   B. changes   C. attains   D. decreases

5. A. enjoy   B. share   C. possess   D. occupy

6. A. steadily   B. wisely   C. easily   D. wildly

7. A. reaches   B. warns   C. keeps   D. falls

8. A. alone   B. indeed   C. too   D. though

9. A. reserving   B. lifting   C. beating   D. saving 

10. A. bring   B. turn   C. stay   D. take 

11.A. moving   B. choosing   C. directing   D. heading 

12. A. take   B. put   C. place   D. think 

13.A. and   B. or   C. besides   D. so 

14.A. advise   B. allow   C. encourage   D. show 

15.A. south   B. east   C. opposite   D. behind 

16. A. damaged   B. interested   C. wounded   D. amazed 

17. A. direction   B. goal   C. hope   D. protection 

18.A. fallen   B. sick   C. weak   D. painful 

19.A. put up with   B. catch up with   

 C. come up with   D. end up with 

20. A. sense   B. soul   C. interest   D. role

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