四、阅读理解
What will the weather be like? Some animals can tell(分辨) the weather. If people want to know the weather, they can watch the animals.

（）19. When the weather is sunny, the seabirds will .
A. stay in a tree B. fly high in the sky
C. fly in the strong wind D. stay on the shore
（）20. When you see the ants moving their houses, the weather will be .
A. windy B. sunny C. rainy D. snowy
（）21. If , it will be rainy.
A. the seabirds stay in a tree B. the chickens keep noisy
C. the frogs stay in the water D. all of the above
（）22. What does the underlined word “submerge” in Picture 2 mean in Chinese?
A. 烧毁 B. 淹没 C. 侵占 D. 修理
（）23. These passages are mainly about “”.
A. different kinds of the weather B. how to watch the animals
C. some smart animals D. some animals can tell the weather

19.B 20.C 21.D 22.B 23.D