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    The earth is our home．We must take care of it．Life today is easier than it was  1  years ago，but it has brought some new problems．One of the biggest problems is pollution．We can see it，smell it，drink it and even hear it．

   Man has polluted the  2  ．the more people，the more pollution．Many years ago，the problem was not so serious because there were not so  3  people．When the land was used up or the river was not clean in a place，man went to  4  place．Now man is slowly polluting the whole world．

5   pollution is still the most serious，it’s bad for  6  things in the world．

1．A．hundred                 B．hundreds of          C．hundred of

2．A．moon                    B．star                     C．earth

3．A．lot                         B．little                     C．many

4．A．others                   B．the other              C．a(chǎn)nother

5．A．Air                        B．Water                  C．Noise

6．A．life                        B．live                      C．living

The world itself is becoming much smaller by using modern traffic and modern communication. Life today is much easier than it was hundreds of years ago, but it has brought new problems. One of the biggest problems is pollution.
To pollute means to make things unfit or unclean to use. Pollution comes in many ways. We see it, smell it, drink it and even eat it. Pollution is beginning to threaten (威脅) our health, our happiness and our life.
Man has been polluting the earth from the time he first made fire, washed his clothes in the river and threw his waste on the ground. When land was used up or water became dirty, men moved on to another place. At first, the problem was not so serious because there was plenty of clean air, land and water. There weren’t so many people then and their wants fewer. All the dirty things could be absorbed(吸收) by nature and soon covered over. But this is no longer true. The increase of pollution and the development of industry(工業(yè)) have changed that. Man is slowly poisoning(毒害)not only his environment but also himself.
Through the use of poison, man has polluted the land, killing the animals. By putting dirty water and chemicals into rivers and lakes we have polluted our drinking water, killing the fish.
Our increasing population is part of the problem. More people, more waste.
Where is this all to end? Are we turning the world into a big rubbish dump(堆存處)，or is there any hope that we can get rid of (擺脫，除去) the pollution? Luckily, millions of people have been warned of the danger of pollution. Large numbers of people are now working hard to bring pollution under control.
The earth is our home. We must take care of it. This means keeping the land, air and water clean. And we must take care of the rise in pollution at the same time.
【小題1】Which of the following is NOT true according to the passage?

The world itself is becoming much smaller by using modem traffic and modem communication means(通訊設(shè)備)．Life today is much easier than it was hundreds of years ago, but it has brought new problems．One of the biggest problems is pollution．To pollute means to make things dirty．Pollution comes in many ways．We see it, smell it, drink it and even hear it．

Man has polluted the earth．The more people, the more pollution．

Air pollution is still the most serious．It’s bad for all living things in the world, but it is not the only kind of pollution．Water pollution kills fish and pollutes our drinking water．Noise pollution makes us angry more easily．

Many countries are making rules to fight pollution．

They stop people from burning coal in houses and factories and from putting dirty smoke into the air．Pollution by SO₂ is now the most dangerous kind of air pollution．It is caused by heavy traffic．We are sure that if there are fewer people driving, there will be less air pollution．

The earth is our home．We must take care of it．

1．        , our world is becoming much smaller．

A．Thanks to the science development

B．Because of the rise in pollution

C．Because the earth is being polluted day and night

D．Because the earth is blown away by the wind every year

2．Hundreds of years ago, life was         it is today．

A．much easier than                                       B．a(chǎn)s easy as

C．a(chǎn)s hard as                                              D．much harder than

3．Pollution comes in many ways．We can even hear it．Here “it” means        ．

A．rubbish              B．a(chǎn)ir pollution          C．water pollution      D．noise pollution

4．Which of the following is NOT TRUE?

A．Many countries are making rules to fight pollution．

B．The problem of pollution is not so serious because there are not so many people living on the earth．

C．The pollution of the earth grows as fast as the world population does．

    D．If people could go to work by bus or bike instead of car or motorbike, it would be helpful in fighting against the problem of SO₂．

5．        is the most serious among the pollution．

A．Water pollution        B．Noise pollution      C．Air pollution          D．Light pollution

完形填空

　　The world itself is becoming much smaller by using modern communication means (通訊). Life today is much easier than it was hundreds of years ago, but it has brought new 1 ．One of the  2 is pollution (污染). To pollute means to make things  3 . Pollution comes in many ways. We see it, smell it, drink it and even hear it.

　　Man has been polluting the earth. The more people, the more pollution. Many years ago, the problem was not so serious  4 there were not so many people. When the land  5 or the river was dirty in a place, men moved to another place. But this is no longer true. Man is now slowly polluting the whole world.

　　Air pollution is still the most serious. It's  6 to all living things in the world, but it is not only one kind of pollution. Water pollution kills our fish and pollutes our drinking water. Noise pollution makes us become angry  7 .

　　Many countries are making rules (法規(guī)) to fight pollution. They  8 the people from burning coal (煤) in houses and factories in the city, and from blowing dirty smoke into the air.

　　The pollution of is now the most dangerous problem of  9 pollution. It is caused (引起) by heavy traffic. It is  10 that if there are fewer people driving, there will be  11 air pollution.

　　The  12 is our home. We must take care of it. That means keeping the land, water and air clean. And we must keep careful of the rise in pollution at the same time.

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3．

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4．

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5．

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6．

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7．

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8．

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9．

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11．

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閱讀理解

　　The world itself is becoming much smaller by using modern traffic and modern communication means(通訊設(shè)備). Life today is much easier than it was hundreds of years ago, but it has brought new problems. One of the biggest problems is pollution(污染). To pollute means to make things dirty. Pollution comes from many ways. We see it, smell it, drink it and even hear it.

　　Man has been polluting the earth. The more people, the more pollution. Many years ago, the problem was not so serious because there were not so many people. When the land was used up or the river was dirty in one place, man moved to another place. But this is no longer true. Man is now slowly polluting the whole world.

　　Air pollution is still the most serious. It's bad for all living things in the world, but it is not the only one kind of pollution. Water pollution kills our fish and pollutes our drinking water. Noise pollution makes us angry more easily.

　　Many countries are making rules(法規(guī)) to fight against pollution. They stop people from burning coal(煤) in houses and factories in the city, and from putting dirty smoke into the air. Pollution by SO₂ is now the most dangerous kind of air pollution. It is caused(引起) by heavy traffic. We are sure that if there are fewer people driving, there will be less air pollution.

　　The earth is our home. We must take care of it. That means keeping the land, water and air clean. And we must take care of the rise in pollution at the same time.

1．________, our world is becoming much smaller.

[　　]

A．Because of the rise in pollution

B．Thanks to science development(發(fā)展)

C．Because the earth is being polluted day and night

D．Because the earth is blown away by the wind every year

2．Hundreds of years ago, life was ________ it is today.

[　　]

3．Pollution comes in many ways. We can even hear it. Here “it” means ________.

[　　]

4．Air pollution is the most serious kind of pollution because ________.

[　　]

A．it makes much noise

B．it makes us angry more easily

C．it makes our rivers and lakes dirty

D．it's had for all living things in the world

5．Which of the following is NOT true?

[　　]

A．Many countries are making rules to fight against pollution.

B．The pollution of the earth grows as fast as the world population does.

C．The problem of pollution is not so serious because there are not so many people living on the earth.

D．If people could go to work by bus or bike instead of car or motorbike, it would be helpful in fighting against the problem of SO₂.

閱讀理解

　　The world itself is becoming much smaller by using modern traffic and modern communication means (通信設(shè)備). Life today is much easier than it was hundreds of years ago, but it has brought new problems. One of the biggest problems is pollution. To pollute means to make things dirty. Pollution comes in many ways. We see it, smell it, drink it and even hear it.

　　Man has been polluting the earth. The more people, the more pollution. Many years ago, the problem was not so serious because there were not so many people. When the land was used up or the river was dirty in one place, man moved to another place. But this is not longer true. Man is now slowly polluting the whole world.

　　Air pollution is still the most serious. It's bad for all living things in the world, but it is not the only one kind of pollution. Water pollution kills our fish and pollutes our drinking water. Noise pollution makes us angry more easily.

　　Many countries are making rules to fight pollution. They stop people from burning coal in houses and factories in the city, and from putting dirty smoke into the air. Pollution by SO₂ is now the most dangerous kind of air pollution. It is caused (引起) by heavy traffic. We are sure that if there are fewer people driving, there will be less air pollution.

　　The earth is our home. We must take care of it. That means keeping the land, water and air clean. And we must take care of the rise in pollution at the same time.

1．________, our world is becoming much smaller.

[　　]

A．Because of the rise in pollution

B．Thanks to science development

C．Because the earth is being polluted day and night

D．Because the earth is blown away by the wind every year

2．Hundreds of years ago, life was ________ it is today.

[　　]

3．Pollution comes in many ways. We can even hear it. Here “it” means ________.

[　　]

4．Air pollution is the most serious kind of pollution because ________.

[　　]

A．it makes much noise

B．it makes us angry more easily

C．it make our rivers and lakes dirty

D．it's bad for all living things in the world

5．Which of the following is NOT true?

[　　]

A．Many countries are making rules to fight pollution.

B．The pollution of the earth grows as fast as the world pollution does.

C．The problem of pollution is not so serious because there are not so many people living on the earth.

D．If people could go to work by bus or by bike instead of car or motorbike, it would be helpful in fighting against the problem of SO₂.

閱讀理解

　　The world itself is becoming much smaller by using modern traffic and modern communication means (通訊設(shè)備). Life today is much easier than it was hundreds of years ago, but it has brought new problems. One of the biggest problems is pollution. To pollute means to make things dirty. Pollution comes in many ways. We see it, smell it, drink it and even hear it.

　　Man has been polluting the earth. The more people, the more pollution. Many years ago, the problem was not so serious because there were not so many people. When the land was used up or the river was dirty in one place, man moved to another place. But this is not longer true. Man is now slowly polluting the whole world.

　　Air pollution is still the most serious. It's bad for all living things in the world, but it is not the only one kind of pollution. Water pollution kills our fish and pollutes our drinking water. Noise pollution makes us angry more easily.

　　Many countries are making rules to fight pollution. They stop people from burning coal in houses and factories in the city, and from putting dirty smoke into the air. Pollution by SO₂ is now the most dangerous kind of air pollution. It is caused (引起) by heavy traffic. We are sure that if there are fewer people driving, there will be less air pollution.

　　The earth is our home. We must take care of it. That means keeping the land, water and air clean. And we must take care of the rise in pollution at the same time.

1．________, our world is becoming much smaller.

[　　]

A．Because of the rise in pollution

B．Thanks to science development

C．Because the earth is being polluted day and night

D．Because the earth is blown away by the wind every year

2．Hundreds of years ago, life was ________ it is today.

[　　]

3．Pollution comes in many ways. We can even hear it. Here “It” means ________.

[　　]

4．Air pollution is the most serious kind of pollution because ________.

[　　]

A．it makes much noise

B．it makes us angry more easily

C．it make our rivers and lakes dirty

D．it's bad for all living things in the world

5．Which of the following is NOT true?

[　　]

A．Many countries are making rules to fight pollution.

B．The pollution of the earth grows as fast as the world pollution does.

C．The problem of pollution is not so serious because there are not so many people living on the earth.

D．If people could go to work by bus or by bike instead of car or motorbike, it would be helpful in fighting against the problem of SO₂.