第21课（223字 2分钟）

Passage Twenty-one

（K4 level）

1.When you see the picture,you may ask what kind of bird they are.

2.They are dodos,perhaps some of you have met the Dodo in “Alice in Wonderland” .

3.A dodo is a bird that is a little larger than a turkey .

4.It once lived in the islands of Mauritius .

5.But now there are no dodos on the earth.

6.We don’t know very much about dodos.

7.For example,we don’t know how they ate.

8.We don’t know how they came to the islands,though some people say they were once pigeons .

9.But we know why dodos died away.

10.Their life in the islands of Mauritius was peaceful until 1598.

11.That year a Dutch ship came to the islands.

12.The ship brought dogs,rats and pigs as well as humans.

13.They began to eat dodos and their eggs.

14.A century later there were no dodos.

15.When dodos saw the newcomers,they did not know what to do.

16.They did not even know that they had no enemies before.

17.Then they began to understand that the newcomers were their enemies, and tried to run away.

18.But they did not know how to run away.

19.They could not fly,they could not swim either.

20.All they could do was to run slowly on the ground.

生词表（New Words）

1. picture 图片                bird 鸟 

2. dodos 渡渡鸟 

3. turkey 火鸡 

4. islands 群岛

5. earth 地球 

6. very much 很多 

7. ate 吃东西 

8.pigeons 鸽子 

9. died away 灭绝                  reason 原因 

10. peaceful 平静的               life 生活 

11. ship 船 

12. dogs 狗                             rats 老鼠                  pigs 猪

humans 人类 

13. eat 吃                               dodos 渡渡鸟           eggs 蛋 

14. century 世纪                    dodos 渡渡鸟 

15. newcomers 新来者          enemies 敌人 

16. enemies 敌人                   before 以前 

17. understand 明白               run away 逃跑 

18. fly 飞                                swim 游 

19. run 跑                               slowly 慢 

20. ground 地面

1. 当你看到这张图片时，你可能会问这是什么鸟。

2. 它们是渡渡鸟，也许你们有些人曾在《爱丽丝梦游仙境》中见过渡渡鸟。

3. 渡渡鸟是一种比火鸡稍大的鸟类。

4. 它曾经生活在毛里求斯群岛。

5. 但是现在地球上已经没有渡渡鸟了。

6. 我们对渡渡鸟了解得并不多。

7. 例如，我们不知道它们是怎么吃东西的。

8. 我们也不知道它们是如何来到这些岛屿的，虽然有些人说它们曾经是鸽子。

9. 不过我们知道渡渡鸟灭绝的原因。

10. 它们在毛里求斯群岛的生活直到1598年都很平静。

11. 那一年，一艘荷兰船来到这些岛屿。

12. 这艘船带来了狗、老鼠和猪，还有人类。

13. 它们开始吃渡渡鸟和它们的蛋。

14. 一百年后，渡渡鸟完全消失了。

15. 当渡渡鸟看到这些新来的生物时，它们不知道该怎么办。

16. 它们甚至不知道自己以前是没有敌人的。

17. 后来，它们开始明白这些新来者是它们的敌人，并试图逃跑。

18. 但它们不知道该如何逃跑。

19. 它们不会飞，也不会游泳。

20. 它们唯一能做的就是在地面上慢慢跑。