概括大意与完成句子

Natural Gas

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6-12岁英语高频重点词汇，搞定小学英语全段考试

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1 Natural gas is produced from reservoirs deep beneath the earth's surface.It is a fossil fuel(矿物质燃料)，meaning that it is derived from organic material buried in the earth millions of years ago.The main component of natural gas is methane(甲烷).

2 The popularity and use of clean natural gas has increased dramatically over the past 50 years as pipeline infrastructure(基础设施) has been installed to deliver it conveniently and economically to millions of residential，commercial and industrial customers worldwide.Today，natural gas service is available in all 50 states in the U.S.，and is the leading energy choice for fueling American homes and industries.More than 65 million American homes use natural gas.In fact，natural gas is the most economical source for home energy needs，costing one-third as much as electricity.In addition to heating homes，much of the gas used in the United States is used as a raw material to manufacture a wide variety of products，from paint，to fibers for clothing，to plastics for healthcare，computing and furnishings.Natural gas is also used in a significant number of new electricity-generating power plants.

3 Natural gas is one of the safest and cleanest fuels available.It emits less pollution than other fossil fuel sources.When natural gas is burned，it produces mostly carbon dioxide(二氧化碳) and water vapor-the same substances emitted when humans exhale.Compared with some other fossil fuels，natural gas emits the least amount of carbon dioxide into the air when combusted(燃烧)， making natural gas the cleanest burning fossil fuel of a11.

4 The United States consumes about one-third of the world's natural gas output，making it the largest gas-consuming region in the world.The U.S.Department of Energy's Energy Information Administration forecasts that natural gas demand will grow by more than 50 percent by 2025.

5 There are huge reserves of natural gas beneath the earth's surface.The largest reserves of natural gas can be found in Russia，West and North Africa and the Middle East.LNG(液化天然气)has been produced domestically and imported in the United States for more than four decades.

Today，the leading importers of LNG are Japan，Korea，France and Spain.

1、Paragraph 2________.

2、Paragraph 3________.

3、Paragraph 4________.

4、Paragraph 5________.

A.Popularity and use of natural gas

B.Natural gas reserves and supply

C.Natural gas prices

D.Clean fuel of choice

E.Disadvantages of natural gas

F.Natural gas consumption

【正确答案】1、A 本题考查的是对所读材料大意与主旨的掌握。本段的中心意思是天然气被广泛应用以及天然气的各种用途。

2、D 本题考查的是对所读材料大意与主旨的掌握。本段的中心意思是天然气是现有能源中最安全和最干净的。

3、F 本题考查的是对所读材料大意与主旨的掌握。本段的中心意思是美国消费天然气的情况。

4、B 本题考查的是对所读材料大意与主旨的掌握。本段的中心意思是世界上天然气的储存和供应情况。

5、Natural gas is stored deep________.

6、Natural gas is recognized as the most economical energy source_________.

7、When manufacturing many products，people commonly use natural gas____________.

8、It is estimated that by 2025 that natural gas demand in the United States will increase_________.

A.over the past 50 years

B.beneath the earth surface

C.by more than 50 percent

D.for more than four decades

E.as a raw material

F.for home energy needs

【正确答案】5、B 本题考查的是对阐述文章的主旨事实与细节的了解。依据是第一段的第一句话"Natural gas is produced from reservoirs deep beneath the earth's surface."

6、F 本题考查的是对阐述文章的主旨事实与细节的了解。依据是第二段的第四句话"In fact，natural gas is the most economical source for home energy needs，costing one-third as much as electricity."

7、E 本题考查的是对阐述文章的主旨事实与细节的了解。依据是第二段的第五句话"In addition to heating homes，much of the gas used in the United States is used as a raw material to manufacture a wide variety of products，from paint，to fibers for clothing，to plastics for healthcare，computing and furnishings."

8、C 本题考查的是对阐述文章的主旨事实与细节的了解。依据是第四段的最后一句话"The U.S.Department of Energy's Energy Information Administration forecasts that natural gas demand will grow by more than 50 percent by 2025."

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