Air is all around us. When we were, air is around us (1) every side. When we sit down, it is around ——青夏教育精英家教网—

摘要：Air is all around us. When we were, air is around us (1) every side. When we sit down, it is around us. When we get to bed, it is also around us. We live (2) air. Air is needed (3) all living things. Living things can't live for more than a few minutes (4) air. We take in air. When we are working or running we need (5) air. When we are (6), we need less air. We can (7) air, but we can't see it. We can feel it when it is (8) . Moving air is called wind. How can air (9) to move? Here is one way. Hold an (10) book in front of your face. Close in quickly. ( )1.A.in B.at C.on D.to ( )2.A.in B.among C.between D.for ( )3.A.with B.by C.to D.for ( )4.A.in B.among C.with D.without ( )5.A.much B.more C.less D.many ( )6.A.sleep B.slept C.asleep D.sleeping ( )7.A.catch B.stop C.feel D.receiving ( )8.A.to move B.moved C.moving D.move ( )9.A.make B.be made C.making D.have made ( )10.A.old B.used C.open D.good

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　　Air is all around us. It's around us when we talk and play. From the time we were born, air is around us on every side. When we sit down, it's around us. When we go to bed, air is also around us. 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 take in air. When we are working or running, we need more air. When we are asleep（入睡）, we need less air.

　　We live in air, but we can't see it. We can only feel（感觉，感受）it. We can feel it when it's moving. Moving air is called wind. How can you make air move? Here is one way. Hold an open book in your hands in front of your face. Close it quickly. What can you feel? What you feel is the air.

根据短文内容，判断正(T)误(F)。

(1)We live in air.

(　　)

(2)All living things need air.

(　　)

(3)We need more air when we are asleep than we are running.

(　　)

(4)We can't see or feel air.

(　　)

(5)In fact, wind is moving air.

(　　)

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           Everyone    1   air. Air is all around us. lt's around us when we go and play. Since we were bom,air has been around us on every side.  2 we sit down,it's aroundus. When we go to bed,air is     3   around us. So we can say we live in air.
          All living things   4   air. Living things can't live   5   air. We can go without food or water for more than a few days. But we can't live for more than a few    6   without air. When we are sleeping,we need less air.
         We live in air,_7 we can't see it. We can only feel it. We can feel it when  it  is  moving (移动 ) . Moving air is wind.    8_can you make air move?  Here is one   9   . Hold an open book in your hands in front of yourface. Close it   10   , and what can you feel?  It's air.

(     )1. A. know    '  B. knows                   C. knowing          D. knew
(     )2. A. When       B. What                    C. Why               D. How
(     )3. A. also          B. too                       C. either              D. neither
(     )4. A. like          B. don't like               C. needs             D. need
(     )5. A. with         B. thout                      C. for                 D. of
(     )6. A. years      B. days                       C. minutes          D. months
(     )7. A. but          B. because                  C. so                 D. if
(     )8. A. Why        B. How                      C. What            D. Where
(     )9. A. way         B. road                        C. street           D. bench
(     )10.A. quick      B. terrible                    C. soon           D. quickly

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阅读并判断正误．

　　Air is all around us. It’s around us when、we walk and play. From the time we were born. air is around us on every side. When we sit down, it’s around us. When we go to bed, air is also around us. 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 mole than a few minutes without air. We take in air. When are working 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’s moving. Moving air is called wind. How can you make air move? Here is one way. Hold an open book in your hands in. front of your face. Close it quickly. What can you feel? What you fed is the air.

1．From the time we were born, air is around us.

2．When we are asleep, We don’t need air.

3．We can’t live without air.

4．Living things can live without air.

5．We can live without food or water for a few days.

6．We can also live without air for a few days.

7．When we are walking or running．we need less air.

8．We can’t see air but we can feel it.

9．Moving air is called wind.

10．Air is very important for us.

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阅读理解

　　We know that there is air all around the earth．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 my air．We can’t see air, but we can feel it when it is moving．Moving air is called wind．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．

　　All living things need air．Living things can not live without air．We can live without food or water for a few days, but we can’t live for more than a few minutes without air．We take in air．When we are working or running we need more air．When we are asleep, we need less air．Airplanes need air, too, they can not fly without air．They need it to lift their wings．Airplanes can not fly very high because as they go higher, the air gets thinner．If we go to high up from the earth, we find there is no air．

(1)

From the passage we can know that air is _________．
[　　]
A．	white
B．	yellow
C．	blue
D．	colorless

(2)

What will happen if you move a fan(电风扇)from side to side in front of your face?
[　　]
A．	You will feel air．
B．	There will be less air around you．
C．	There will be no air．
D．	You will see air moving in front of you．

(3)

Why can’t airplanes fly without air?
[　　]
A．	Because they need air to lift their wings．
B．	Because the pilots need air to see things for ahead．
C．	Because airplanes are driven by air．
D．	Because the pilots can not breathe(呼吸)without air．

(4)

Which of the following is RIGHT?
[　　]
A．	When we sleep, we will need no air．
B．	Animals can not live without air, but plants can．
C．	The higher the sky is, the thinner the air is．
D．	We don’t need too much air as we are running．

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　　阅读理解

Air is all around us. It's 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. We live in air.

　　We live in air, but we can not see it. We can only feel it. We can feel it when it is moving. Moving air is called wind. How can you make air move? Here is one way. Hold an open book in your hands in front of your face. Close it quickly. What can you feel? What you feel is the air.

　　(1)Everyone lives ________.

[　　]

　　(2)When someone was born, ________ is around him.

[　　]