问题补充：
Air is always around us. It is around us when we walk and play. From the time we are born, air is around us. When we sit down, it is around us. When we go to bed, air is also around us. We live in air.
All the animals and plants need air. Living things can’t live without air. We can live without food or water for a few days, but we can not live for more than a few minutes without air. We breathe in air. When we are walking or running, we need more air. When we are asleep, we need less air.
We live in air, but we can’t see it. We can only feel it. We can feel it when it is moving. Moving air is called wind. How can we make air move? Here is one way. Hold and open a book in you hand in front of your face. Close it quickly! What you feel is the air.
【小题1】 need air.A．Some of the animalsB．All the thingsC．Some of the plantsD．All the animals and plants【小题2】We can live for a few days .A．without airB．without food or waterC．without food or airD．without air or water【小题3】We need air when we are asleep.A．lessB．noC．mostD．a lot of【小题4】Which of the following sentences is TRUE(对的)?A．Sometimes we don’t live in air.B．Air is not around us when we go to bed.C．We can live happily without air.D．We need more air when we are working or running.【小题5】We live in air, but we can’t it.A．lookB．seeC．getD．feelD
答案：
(答案→)D
解析：空气是我们所必需的东西，人可以不喝水、不吃饭，但决不能没有空气。我们看不见空气，但是它却确确实实存在在我们身边。
【小题1】细节理解题。由“All the animals and plants need air.”可知所有生物都需要空气。故选D。
【小题2】细节理解题。由“We can live without food or water for a few days,”可知没有水和食物我们还能活几天 。 故选B。
【小题3】细节理解题。 由“When we are asleep, we need less air.”可知睡觉的时候需要的空气较少。 故选A。
【小题4】细节理解题。 由“When we are walking or running, we need more air. ”可知我们走路或跑步的时候我们需要更多的空气。 故选D。
【小题5】细节理解题。 由“We live in air, but we can’t see it.”可知我们看不见空气。 故选B。
