Question

Next autumn when you see wild geese heading south for the winter flying in a V formation, you might think about what scientists have discovered as to why they fly that way.

As each bird flaps its wings, it creates uplift(提升) for the bird immediately following. By flying in a V formation the whole group adds at least 71% greater flying range than if each bird flies on its own.

People who share a common direction and sense of community can get where they are going more quickly and easily because they are traveling on the push of one another.

When a wild goose falls out of the formation，it suddenly feels the drag and resistance of trying to go alone and quickly tries to get back into the formation to take advantage of the lifting power of the bird in front. When the head goose gets tired，it flies back into the formation and another goose flies to the front. It is wise to take turns doing difficult jobs whether it is people or wild geese flying south.

Wild geese honk (发出雁叫声) from behind to inspire those up front to keep up their speed. What can we learn from this?

When a wild goose gets sick or wounded by gunshots，and falls out of the formation，two other geese will fall out with that goose and follow it down to lend help and protection. They will stay with the fallen goose until it is able to fly or until it dies，and only then will they go on with their own or with another formation to catch up with their group.

1.Wild geese fly in a V formation in order to________.

A. protect themselves from danger

B. fly more quickly and easily

C. help the sick and wounded

D. fly much higher in the sky

2.What can we learn from the fifth paragraph?

A. We should try to lead others to move forward.

B. We should give people facing difficulties encouragement.

C. We should believe in those who offer us help.

D. We should care more about the old and sick.

3.When a wild goose becomes sick or is wounded，________.

A. it will be left alone and will fall on the ground

B. the whole group will stop flying

C. two other geese will stay with it to offer help

D. other geese will honk to give it encouragement

4.What do we know from the passage?

A. A wild goose can help the one following it by flapping its wings.

B. A person who works alone can work better than one who doesn’t.

C. It is not good for wild geese to take turns being the head goose.

D. The wild geese that fall behind are unlikely to catch up with their group.

Answer

1.B

2.B

3.C

4.A

【解析】你经常会见到秋天南飞过冬的野雁排成V字的形状，思考过是为什么吗？本文带你走进科学家的发现，或许你会在团队合作互赢方面得到很大的启发呢。

1.B。细节理解题。第二段列举了数据表明，通过V形的队列飞行，整个队伍比一只野雁单独飞行能增加至少71%的飞行距离。

2.B。推理判断题。根据第五段第一句Wild geese honk (发出雁叫声) from behind to inspire those up front to keep up their speed，雁叫声能给前面领头雁以激励，有助于它们保持速度，我们可以得出启示，在团队合作时，我们应该给那些面对困难的队友以鼓励。

3.C。细节理解题。第六段，当一只雁病了或受伤了，就会有其他两只雁一起飞出队列，照看并且保护这只大雁，直到重新回到队伍。

4.A。细节理解题。第二段第一句，当每只大雁扇动翅膀，它都会给紧跟其后的大雁一个助力。