理工類-概括大意（1月27日）_職稱英語網(wǎng)校

概括大意與完成句子

Natural Gas

1 Natural gas is produced from reservoirs deep beneath the earth's surface.It is a fossil fuel(礦物質(zhì)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(基礎(chǔ)設(shè)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(燃燒)， 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(液化天然氣)has been produced domestically and imported in the United States for more than four decades.

Today，the leading importers of LNG are Japan，Korea，F(xiàn)rance 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

【正確答案】1、A 本題考查的是對所讀材料大意與主旨的掌握。本段的中心意思是天然氣被廣泛應用以及天然氣的各種用途。

2、D 本題考查的是對所讀材料大意與主旨的掌握。本段的中心意思是天然氣是現(xiàn)有能源中最安全和最干凈的。

3、F 本題考查的是對所讀材料大意與主旨的掌握。本段的中心意思是美國消費天然氣的情況。

4、B 本題考查的是對所讀材料大意與主旨的掌握。本段的中心意思是世界上天然氣的儲存和供應情況。

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

【正確答案】5、B 本題考查的是對闡述文章的主旨事實與細節(jié)的了解。依據(jù)是第一段的第一句話"Natural gas is produced from reservoirs deep beneath the earth's surface."

6、F 本題考查的是對闡述文章的主旨事實與細節(jié)的了解。依據(jù)是第二段的第四句話"In fact，natural gas is the most economical source for home energy needs，costing one-third as much as electricity."

7、E 本題考查的是對闡述文章的主旨事實與細節(jié)的了解。依據(jù)是第二段的第五句話"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 本題考查的是對闡述文章的主旨事實與細節(jié)的了解。依據(jù)是第四段的最后一句話"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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