1. (2019六上·龙岗期末) 根据短文内容，选择正确的选项。

    Air is all around us. It is around us as we walk and play. From the time we were born, air is around us on every side. When we sit down, it is around us. When we go to bed, air is also around us. We live in air. We can live without food or water for a few days, but we cannot be alive for more than a few minutes without air. When we are working or running, we need more air. When we are asleep, we need less air. We live in air, but we cannot see it. How can we make air move? Here is one way. Hold an open book in front of your face, close it quickly. What can you feel? What you feel is air.

1. （1） What is always around us?

   A . Wind. B . Fire. C . Air.
3. （2） We can live without food and water for ________.

   A . a few days B . a month C . one year
5. （3） When we are running and working, we need ________ air.

   A . little B . more C . no
7. （4） Can we make the air move?

   A . Yes, we can. B . No, we can't. C . Yes, I do.
9. （5） What does this article (文章) tell us?

   A . We can be alive without air. B . Air is dirty now. C . Air is important to us.