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大气污染（air pollution）

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更多“大气污染（air pollution）”相关的问题

第1题

We are struggling _____against air pollution

A.for

B.against

C.with

D.Both B and C

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第2题

Because of air pollution being greatly reduced, this city is still ______.A．a good place i

Because of air pollution being greatly reduced, this city is still ______.

A．a good place in which to live

B．a good place to live in

C．lived as a good place

D．living in as a good place

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第3题

Air pollution is the most serious kind of pollution because ______.A．it's bad for all livi

Air pollution is the most serious kind of pollution because ______.

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

B．it makes much noise

C．it makes our rivers and lakes dirty

D．it makes us angry more easily

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第4题

Air pollution, together with overpopulation, ______ many problems in big cities today.A．ar

Air pollution, together with overpopulation, ______ many problems in big cities today.

A．are causing -

B．is causing

C．are caused

D．is caused

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第5题

Which of the following instances of environmental destruction are local in nature？（)

A.air pollution

B.acid rain

C.water pollution

D.large oil spill

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第6题

This passage is primarily about______.A．the greenhouse effectB．the burning of fossil fuels

This passage is primarily about______.

A．the greenhouse effect

B．the burning of fossil fuels

C．the potential effect of air pollution

D．the likelihood of a new ice age

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第7题

The author believes that carpooling ________.A．can give help to those without carsB．can sa

The author believes that carpooling ________.

A．can give help to those without cars

B．can save people money and time

C．can save energy resources and reduce air pollution

D．can promote friendship among drivers

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第8题

根据以下内容回答题，There was one thought that air pollution affected only the area immedia

根据以下内容回答题，

There was one thought that air pollution affected only the area immediately around large cities with factories and heavy automobile traffic．At present，we realize that although these are the．areas with the worst air pollution，the problem is literally worldWide．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 tmmc．In fact，the very climate of the entire earth may be infected by air poilu-tion．Some scientists consider that the increasing concentration of carbon dioxide in the air resulting from the burning of fossil fuels（coal and oil）is creating a“greenhouse effect”——con-serving heat refleeted from the earth and raising the world’S average temperature．If this view is correct and the worid’s temperature is raised only a few degrees，much of the polar ice cap will melt and cities such as New York，Boston，Miami，and New Orleans will be in water． Another view．1ess widely held，is that increasing particular matter in the atmosphere is blocking sunlight and lowering the earth’s temperature——a result that would be equally disas-trous．A drop of just a few degrees could create something close to a new ice age，and would make agriculture difficult or impossible in many of our top fanning areas．Today we do not know for sure that either of these conditions will happen（though one recent government report drafted bv experts in the field concluded that the greenhouse effect is#cry possible）．Perhaps，if we are lucky enough，the two tendencies will offset each other and the world’s temperature will stay about the same as it is now．

As Dointed out at the beginning of the passage，people used to think that air pollution__________ ．

A.caused widespread damage in the countryside

B.affected the entire eastern half of the United States

C.had a damaging effect on health

D.existed merely in urban and industries areas

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第9题

Once somebody thought that air pollution affected only the area immediately around large c

ities with factories and heavy automobile traffic. Today, we know that although these are the areas with the worst air pollution, the problem is literally worldwide. On several occasions over the past decade, a heavy cloud of air pollution has covered the entire eastern half of the United States and led to health warnings even in rural areas away from any major concentration of manufacturing and automobile traffic. In-fact, the very climate of the entire earth may be affected by air pollution. Some scientists feel that the increasing concentration of carbon dioxide in the air resulting from the burning of fossil fuels (coal and oil) is creating a greenhouse effect—holding in heat reflected from the earth and raising the world's average temperature. If this view is correct and the world's temperature is raised only a few degrees, much of the polar ice cap will melt and cities such as New York, Boston, Miami, and New Orleans will be under water.

Another view, less widely held, is that increasing particular matter in the atmosphere is blocking sunlight and lowering the earth's temperature—a result that would be equally disastrous. A drop of just a few degrees could create something close to a new ice age, and would make agriculture difficult or impossible in many of our top farming areas. At present we do not know for sure that either of these conditions will happen (though one recent government report prepared by experts in the field concluded that the greenhouse effect is very likely). Perhaps, if we are very lucky, the two tendencies will offset each other and the world's temperature will stay about the same as it is now.

This passage is mainly concerned with______.

A．the greenhouse effect

B．the potential effect of air pollution

C．the burning of fossil fuels

D．the probability of a new ice age

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第10题

Our environment is getting worse and worse with the increase of the world population, whic

h affects the environment in two ways. Firstly, the limited energy resources will be used up much faster. Secondly, the increasing population creates more pollution, another severe problem that needs to be solved: Both problems are long-term ones because actions taken now show their results slowly over many years. They are also urgent because delays in action can lead to great suffering and social problems. The question seems to be difficult to handle for most people. However, a person can be a protector of environment in everyday life if he takes actions to save the environment right now. With the development of technology, cars make transportation easier and quicker than before, but we can't ignore the disadvantages brought to us by more and more cars in use. For example, we are consuming gasoline(汽油), which is a non-renewable (无法更新的)resource, and will soon be gone. Moreover, the exhausted gas from cars pollutes our air, and our health is therefore threatened by air pollution, which has a big potential effect on our daily life. So we can consider walking, taking buses, carpooling(合用汽车) instead of driving cars alone. This seems to be a very slow process that can't be so effective if it's taken by a single person. But when more and more people become aware of the importance and positively take it as their personal responsibilities, the condition of the air will be improved to a great extent.

According to the writer, the main problem to our environment today is______.

A．the increase of population

B．the limited energy resources

C．the more serious air pollution

D．the development of technology

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