酷兔英语

『经典背诵短文【23】Ford』

Ford Although Henry Ford’s name is closely associated with the concept of mass production, he shou...

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『经典背诵短文【27】Scientific Theories』

Scientific Theories In science, a theory is a reasonable explanation of observed events that are r...

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『经典背诵短文【30】The origin of Refrigerators』

The origin of Refrigerators By the mid-nineteenth century, the term “icebox” had entered the Ameri...

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『经典背诵短文【29】Telecommuting』

Telecommuting Telecommuting---substituting the computer for the trip to the job---has been hailed ...

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『经典背诵短文【28】Changing Roles of Public Education』

Changing Roles of Public Education One of the most important social developments that helped to ma...

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『经典背诵短文【32】Botany』

Botany Botany, the study of plants, occupies a peculiar position in the history of human knowledge...

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『经典背诵短文【31】British Columbia』

British Columbia British Columbia is the third largest Canadian provinces, both in area and popula...

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『经典背诵短文【34】Raising Oysters』

Raising Oysters In the oysters were raised in much the same way as dirt farmers raised tomatoes- b...

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『经典背诵短文【35】Oil Refining』

Oil Refining An important new industry, oil refining, grew after the Civil war. Crude oil, or petr...

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『经典背诵短文【33】Plankton』

Plankton Scattered through the seas of the world are billions of tons of small plants and animals ...

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『经典背诵短文【39】The Salinity of Ocean Waters』

The Salinity of Ocean Waters If the salinity of ocean waters is analyzed, it is found to vary only...

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『经典背诵短文【38】Topaz』

Topaz Topaz is a hard, transparent mineral. It is a compound of aluminum, silica, and fluorine. Ge...

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『经典背诵短文【37】Icebergs』

Icebergs Icebergs are among nature’s most spectacular creations, and yet most people have never se...

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『经典背诵短文【36】Plate Tectonics and Sea-floor Spreading』

Plate Tectonics and Sea-floor Spreading The theory of plate tectonics describes the motions of the...

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『经典背诵短文【42】Coal-fired power plants』

Coal-fired power plants The invention of the incandescent light bulb by Thomas A. Edison in 1879 c...

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