Clouds are made of millions of very small drops of water. The drops move around all the time. When they hit each other, they join up. This is how they grow larger and heavier. When they are too heavy to stay in the air, they fall down as rain.

If it is very cold, the very small drops of water change into ice. The pieces of ice freeze together. When they get too heavy, they fall down as snow.

There are many different kinds of clouds. And they are different in shape. The thunderclouds are big and dark. Some clouds are like small white balls of cotton.

根據(jù)短文內(nèi)容，判斷下列句子正誤．正確的在答題卷內(nèi)寫“T"，錯誤的寫“F"。

（   ）1．Clouds in the sky never move around.

（   ）2．When drops of water join up, they grow larger and heavier.

（   ）3．When clouds of water fall down, we get snow.

（   ）4．The thunderclouds are one kind of clouds.

（   ）5．Clouds in the sky are different in shape, size and colour.

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Water is very important to living things．Without water there can be no life on the earth．All animals and plants need water．Man also needs water．We need water to drink．to cool our food and to clean ourselves．Water is needed in offices，factories and schools．
Water is needed everywhere．There is water in seas；rivers and lakes ,Water is found almost everywhere．Even in the driest part of the world．there is some water in the air．You cannot see or feel it when it is a part of the air．The water in the seas，rivers and lakes is a liquid。The water in the air is a gas，and we call it water vapor．
Clouds are made of water．They may be made of very small drops of water．They may also be made of snow crystals(結(jié)晶體)．Snow crystals are very，very small crystals of ice．Ice is frozen water．It is a solid．There can be snow and ice everywhere in winter．
(   )4．Where Can we find water?
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B．Water can be found almost everywhere
C．We can see water in deserts here and there．
D．Water is only in seas and rivers．
(   )5．We must protect water resources because       ．
A．crops need water        B．a(chǎn)ll living things need water
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【小題1】 According to this article, one way to understand the weather is to    .

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C．watch the signs of the wind
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【小題2】 High clouds usually suggest     .
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C．rainy weatherD．windy weather
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A．sun rays shining through falling rain
B．dark thunder clouds in the sky
C．a(chǎn) golden ring around the moon
D．fair-weather cumulus clouds
【小題4】 Which of the following would be a good title for this article?
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B．Fine Weather and Bad Weather
C．Weather Changes
D．Different Kinds of Clouds
【小題5】We may say, take the article as a whole knowledge,      .
A．none of the clouds is the same
B．a(chǎn) storm is to come on soon after a sudden, cool and dark thunder cloud
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D．a(chǎn)ll of the above

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Water is very important to living things．Without water there can be no life on the earth．All animals and plants need water．Man also needs water．We need water to drink．to cool our food and to clean ourselves．Water is needed in offices，factories and schools．
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A．We can find water when it turns into vapor．
B．Water can be found almost everywhere
C．We can see water in deserts here and there．
D．Water is only in seas and rivers．
(   )5．We must protect water resources because       ．
A．crops need water        B．a(chǎn)ll living things need water
C．a(chǎn)ll animals need water    D．a(chǎn)ll plants need water

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Water is very important to living things．Without water there can be no life on the earth．All animals and plants need water．Man also needs water．We need water to drink．to cool our food and to clean ourselves．Water is needed in offices，factories and schools．

    Water is needed everywhere．There is water in seas；rivers and lakes ,Water is found almost everywhere．Even in the driest part of the world．there is some water in the air．You cannot see or feel it when it is a part of the air．The water in the seas，rivers and lakes is a liquid。The water in the air is a gas，and we call it water vapor．

    Clouds are made of water．They may be made of very small drops of water．They may also be made of snow crystals(結(jié)晶體)．Snow crystals are very，very small crystals of ice．Ice is frozen water．It is a solid．There can be snow and ice everywhere in winter．

(   )4．Where Can we find water?

A．We can find water when it turns into vapor．

B．Water can be found almost everywhere

C．We can see water in deserts here and there．

 D．Water is only in seas and rivers．

(   )5．We must protect water resources because        ．

A．crops need water        B．a(chǎn)ll living things need water

C．a(chǎn)ll animals need water    D．a(chǎn)ll plants need water

 

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