题目

Air Pollution

There was one thought that air pollution affected only the areas immediately around large cities with factories and heavy automobile traffic. ____1____

On several occasions over the past decade, a heavy cloud of air pollution has covered the east of the United States and brought health warnings in rural areas away from any major concentration of manufacturing and automobile traffic. In fact, the very climate of the entire earth may be infected by air pollution

Some scientists consider that the increasing concentration of carbon dioxide((二氧化碳) in the air resulting from the burning of coal and oil is creating a"greenhouse effect". It conserves heat reflected from the earth and raised the world’s average temperature. ___2___ Thus much of the polar ice cap will melt and cities such as New York, Boston, Miami, and New Orleans will be in water.

___3___ This is a result that would be equally disastrous. A drop of just a few degrees could create something close be to a new ice age, and would make agriculture difficult or impossible in many of our top farming areas.

Today we do not know for sure that either of these conditions will happen. ___4___ Driven by economic profit, people neglect by the damage on our environment caused by the"advanced civilization".___5___ But is it really worthwhile?

A

Perhaps, if we are lucky enough, the two tendencies will offset(抵消)each other and the world's temperature will stay about the same as it is now.

B

If this view is correct, the world's temperature is raised only a few degrees.

C

Maybe the air pollution is the price the human beings have to pay for their development

D

At present, we realize that although these are the areas with the worst air pollution, the problem is literally worldwide

E

Lately, global warming is becoming a serious problem

F

Another view, less widely held, is that increasing particular matter in the atmosphere (大气)is blocking sunlight and lowering the earth's temperature.

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填句补文

​​​​​​​第三段论述了一些科学家对温室效应的看法,阐述了温室效应产生的原因及其后果。该空格位于段落中间,因此空格处的内容也应与温室效应及地球温度上升有关,而不应是其他的新信息。因此只有选项B“… the world's temperature is raised only a few degrees"在语义上符合题意。

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Air Pollution

There was one thought that air pollution affected only the areas immediately around large cities with factories and heavy automobile traffic. ____1____

On several occasions over the past decade, a heavy cloud of air pollution has covered the east of the United States and brought health warnings in rural areas away from any major concentration of manufacturing and automobile traffic. In fact, the very climate of the entire earth may be infected by air pollution

Some scientists consider that the increasing concentration of carbon dioxide((二氧化碳) in the air resulting from the burning of coal and oil is creating a"greenhouse effect". It conserves heat reflected from the earth and raised the world’s average temperature. ___2___ Thus much of the polar ice cap will melt and cities such as New York, Boston, Miami, and New Orleans will be in water.

___3___ This is a result that would be equally disastrous. A drop of just a few degrees could create something close be to a new ice age, and would make agriculture difficult or impossible in many of our top farming areas.

Today we do not know for sure that either of these conditions will happen. ___4___ Driven by economic profit, people neglect by the damage on our environment caused by the"advanced civilization".___5___ But is it really worthwhile?

A

Perhaps, if we are lucky enough, the two tendencies will offset(抵消)each other and the world's temperature will stay about the same as it is now.

B

If this view is correct, the world's temperature is raised only a few degrees.

C

Maybe the air pollution is the price the human beings have to pay for their development

D

At present, we realize that although these are the areas with the worst air pollution, the problem is literally worldwide

E

Lately, global warming is becoming a serious problem

F

Another view, less widely held, is that increasing particular matter in the atmosphere (大气)is blocking sunlight and lowering the earth's temperature.

Air Pollution

There was one thought that air pollution affected only the areas immediately around large cities with factories and heavy automobile traffic. ____1____

On several occasions over the past decade, a heavy cloud of air pollution has covered the east of the United States and brought health warnings in rural areas away from any major concentration of manufacturing and automobile traffic. In fact, the very climate of the entire earth may be infected by air pollution

Some scientists consider that the increasing concentration of carbon dioxide((二氧化碳) in the air resulting from the burning of coal and oil is creating a"greenhouse effect". It conserves heat reflected from the earth and raised the world’s average temperature. ___2___ Thus much of the polar ice cap will melt and cities such as New York, Boston, Miami, and New Orleans will be in water.

___3___ This is a result that would be equally disastrous. A drop of just a few degrees could create something close be to a new ice age, and would make agriculture difficult or impossible in many of our top farming areas.

Today we do not know for sure that either of these conditions will happen. ___4___ Driven by economic profit, people neglect by the damage on our environment caused by the"advanced civilization".___5___ But is it really worthwhile?

A

Perhaps, if we are lucky enough, the two tendencies will offset(抵消)each other and the world's temperature will stay about the same as it is now.

B

If this view is correct, the world's temperature is raised only a few degrees.

C

Maybe the air pollution is the price the human beings have to pay for their development

D

At present, we realize that although these are the areas with the worst air pollution, the problem is literally worldwide

E

Lately, global warming is becoming a serious problem

F

Another view, less widely held, is that increasing particular matter in the atmosphere (大气)is blocking sunlight and lowering the earth's temperature.

Air Pollution

There was one thought that air pollution affected only the areas immediately around large cities with factories and heavy automobile traffic. ____1____

On several occasions over the past decade, a heavy cloud of air pollution has covered the east of the United States and brought health warnings in rural areas away from any major concentration of manufacturing and automobile traffic. In fact, the very climate of the entire earth may be infected by air pollution

Some scientists consider that the increasing concentration of carbon dioxide((二氧化碳) in the air resulting from the burning of coal and oil is creating a"greenhouse effect". It conserves heat reflected from the earth and raised the world’s average temperature. ___2___ Thus much of the polar ice cap will melt and cities such as New York, Boston, Miami, and New Orleans will be in water.

___3___ This is a result that would be equally disastrous. A drop of just a few degrees could create something close be to a new ice age, and would make agriculture difficult or impossible in many of our top farming areas.

Today we do not know for sure that either of these conditions will happen. ___4___ Driven by economic profit, people neglect by the damage on our environment caused by the"advanced civilization".___5___ But is it really worthwhile?

A

Perhaps, if we are lucky enough, the two tendencies will offset(抵消)each other and the world's temperature will stay about the same as it is now.

B

If this view is correct, the world's temperature is raised only a few degrees.

C

Maybe the air pollution is the price the human beings have to pay for their development

D

At present, we realize that although these are the areas with the worst air pollution, the problem is literally worldwide

E

Lately, global warming is becoming a serious problem

F

Another view, less widely held, is that increasing particular matter in the atmosphere (大气)is blocking sunlight and lowering the earth's temperature.

Air Pollution

There was one thought that air pollution affected only the areas immediately around large cities with factories and heavy automobile traffic. ____1____

On several occasions over the past decade, a heavy cloud of air pollution has covered the east of the United States and brought health warnings in rural areas away from any major concentration of manufacturing and automobile traffic. In fact, the very climate of the entire earth may be infected by air pollution

Some scientists consider that the increasing concentration of carbon dioxide((二氧化碳) in the air resulting from the burning of coal and oil is creating a"greenhouse effect". It conserves heat reflected from the earth and raised the world’s average temperature. ___2___ Thus much of the polar ice cap will melt and cities such as New York, Boston, Miami, and New Orleans will be in water.

___3___ This is a result that would be equally disastrous. A drop of just a few degrees could create something close be to a new ice age, and would make agriculture difficult or impossible in many of our top farming areas.

Today we do not know for sure that either of these conditions will happen. ___4___ Driven by economic profit, people neglect by the damage on our environment caused by the"advanced civilization".___5___ But is it really worthwhile?

A

Perhaps, if we are lucky enough, the two tendencies will offset(抵消)each other and the world's temperature will stay about the same as it is now.

B

If this view is correct, the world's temperature is raised only a few degrees.

C

Maybe the air pollution is the price the human beings have to pay for their development

D

At present, we realize that although these are the areas with the worst air pollution, the problem is literally worldwide

E

Lately, global warming is becoming a serious problem

F

Another view, less widely held, is that increasing particular matter in the atmosphere (大气)is blocking sunlight and lowering the earth's temperature.

Air Pollution

There was one thought that air pollution affected only the areas immediately around large cities with factories and heavy automobile traffic. ____1____

On several occasions over the past decade, a heavy cloud of air pollution has covered the east of the United States and brought health warnings in rural areas away from any major concentration of manufacturing and automobile traffic. In fact, the very climate of the entire earth may be infected by air pollution

Some scientists consider that the increasing concentration of carbon dioxide((二氧化碳) in the air resulting from the burning of coal and oil is creating a"greenhouse effect". It conserves heat reflected from the earth and raised the world’s average temperature. ___2___ Thus much of the polar ice cap will melt and cities such as New York, Boston, Miami, and New Orleans will be in water.

___3___ This is a result that would be equally disastrous. A drop of just a few degrees could create something close be to a new ice age, and would make agriculture difficult or impossible in many of our top farming areas.

Today we do not know for sure that either of these conditions will happen. ___4___ Driven by economic profit, people neglect by the damage on our environment caused by the"advanced civilization".___5___ But is it really worthwhile?

A

Perhaps, if we are lucky enough, the two tendencies will offset(抵消)each other and the world's temperature will stay about the same as it is now.

B

If this view is correct, the world's temperature is raised only a few degrees.

C

Maybe the air pollution is the price the human beings have to pay for their development

D

At present, we realize that although these are the areas with the worst air pollution, the problem is literally worldwide

E

Lately, global warming is becoming a serious problem

F

Another view, less widely held, is that increasing particular matter in the atmosphere (大气)is blocking sunlight and lowering the earth's temperature.

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