题目内容：

Many of us enjoy watching animals in the world.But do you know what they can teach us?

Geese(雁),for example,teach a very good lesson about ___.In autumn,geese fly to the warm south to ___ the cold winter.They lift off in no order.Yet ___ they form a V shape,with one bird leading the group.

This V shape allows geese to __ energy.When the front bird moves its wings up and down,the resulting force(合力) of the air lifts the next one.This continues down the line.The bird __ has the hardest job.When it gets ___,it moves behind,and another bird moves into the lead.By sharing the role,the group can travel long ways.Geese flying in a V shape can fly 70 percent farther without ___ than birds flying alone.

During the long flying journey,geese communicate with one another.They honk(鸣叫)to ___ the birds up front to keep up the speed.They also cheer each other up ___ working toward a common goal.

What have we learned from the lovely geese’s experience and skills?

____ together!Whether it is our personal lives or our jobs,we need other people.We need the spirit of teamwork.

1.A. experience    B. success    C. friendship    D. teamwork

2.A. look for    B. get away from    C. wait for    D. go on

3.A. busily    B. quickly    C. bravely    D. suddenly

4.A. save    B. waste    C. create    D. lose

5.A. in front    B. at the back    C. in the middle    D. on the left

6.A. bored    B. tired    C. scared    D. thirsty

7.A. rest    B. sleep    C. excuse    D. result

8.A. lead    B. lift    C. teach    D. encourage

9.A. until    B. after    C. while    D. before

10.A. Play    B. Travel    C. Live    D. Work