Air is all around us.It is around us as we talk and play, From the moment we were born , we are surrounded(围绕) by air. When we sit down ,air is also around us ,we live in air .

All living things need air:living things cann’t live without air.

We can go without food or water for a few days ,but we can not live for more than a few minutes without air. When we are working or running ,we need some air. So we breathe faster than usual. When we are asleep, we need less air.

1.From the text ,we know that on the earth _____

2.The writer tells us that _____.

3.Which of the following things need air ?

4.Which of the flooowing is the first important thing for people’s lives ?

5.A man needs more air when he _____.  

Air is all around us. It is around us as we talk and play. From the moment we were born, We are surrounded(围绕)by air. When we sit down, it is around us. When we go to bed, air is also around us. Wherever we are on the earth, We are surrounded by air. We live in air.

All living things need air, living things can’t live without air. We can go without food or water for a few days, but we can’t live for more than a few minutes without air. We breathe(呼吸)in air. When we are working or running, We need more air. So we breathe faster than usual. When we are asleep, We need less air.

1.From the text, we know that on the earth _____

A．there is air everywhere

B．some animals don’t need air

C．plants need more air

D．for a long time people don’t need air

2.The writer tells us that _____

A．there is less air on the earth than on the moon

B．the earth is covered with air

C．the earth is covered with water

D．there is no air on the earth

3.Which is the first important thing for people’s lives?

A．Water            B．Air               C．Food             D．Sunlight

4.Which of the following things needs air?

A．Land             B．A mirror          C．A cat             D．A river

5.A man needs more air when he _____

A．dies              B．runs fast          C．takes a rest        D．sleeps

阅读理解

　　Air is all around us. It is around us as we walk and play. From the moment we are born, we are surrounded （围绕） by air. When we sit down, it is around us. When we go to bed, air is also around us. Where we are on the earth, we are surrounded by air, and we live in air.

　　All living things need air. Living things cannot live without air. We can go without food or water for a fewdays, but we cannot live for more than a few minutes without air. We breathe（呼吸）in air. When we are working or running, we need more air. So we breathe faster than usual. When we are asleep, we need less air.

1．From the text, we know that on the earth ________.

[　　]

A．there is air everywhere

B．some animals don't need air

C．plants need more air

D．sometimes people don't need air

2．The writer tells us that ________.

[　　]

A．there is less air on the earth than on the moon

B．the earth is covered by air

C．the earth is covered with water

D．there is no air on the moon

3．Which of the following is the first important thing for people's lives?

[　　]

4．Which of the following things needs air?

[　　]

5．A man needs more air when he________.

[　　]