The increase in international business and in foreign investment has created a need for executives with knowledge of foreign languages and skills in cross- cultural communication. Americans, however,

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新东方背诵文选 L29 Telecommuting

Telecommuting-- substituting the computer for the trip to the job ---- has been hailed as a solution to all kinds of problems related to office work. For workers it promises freedom from the office, l

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新东方背诵文选 L28.Changing Roles of Public Education

One of the most important social developments that helped to make possible a shift in thinking about the role of public education was the effect of the baby boom of the 1950's and 1960's on the school

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新东方背诵文选 L22. Collectibles

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新东方背诵文选 L19.children's numerical skills

people appear to born to compute. The numerical skills of children develop so early and so inexorably that it is easy to imagine an internal clock of mathematical maturity guiding their growth. Not lo

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新东方背诵文选 L27. Scientific Theories

In science, a theory is a reasonable explanation of observed events that are related. A theory often involves an imaginary model that helps scientists picture the way an observed event could be produc

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新东方背诵文选 L21 The Origin of Sports

When did sport begin? If sport is, in essence, play, the claim might be made that sport is much older than humankind, for , as we all have observed, the beasts play. Dogs and cats wrestle and play bal

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新东方背诵文选 L17.Evolution of sleep

Sleep is very ancient. In the electroencephalographic sense we share it with all the primates and almost all the other mammals and birds: it may extend back as far as the reptiles. There is some evide

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新东方背诵文选 L23 Ford

Although Henry Ford's name is closely associated with the concept of mass production, he should receive equal credit for introducing labor practices as early as 1913 that would be considered advanced

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新东方背诵文选 L20 The Historical Significance of American R

The ways of history are so intricate and the motivations of human actions so complex that it is always hazardous to attempt to represent events covering a number of years, a multiplicity of persons, a

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新东方背诵文选 L18.Modern American Universities

Before the 1850's, the United States had a number of small colleges, most of them dating from colonial days. They were small, church connected institutions whose primary concern was to shape the moral

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新东方背诵文选 L16. the war between Britain and France

In the late eighteenth century, battles raged in almost every corner of Europe, as well as in the Middle East, south Africa ,the West Indies, and Latin America. In reality, however, there was only one

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新东方背诵文选 L45.The source of Energy

A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the

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新东方背诵文选 L46.Vision by

Human vision like that of other primates has evolved in an arboreal environment. In the dense complex world of a tropical forest, it is more important to see well that to develop an acute sense of sme

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新东方背诵文选 L42.Coal-fired power plants

The invention of the incandescent light bulb by Thomas A. Edison in 1879 created a demand for a cheap, readily available fuel with which to generate large amounts of electric power. Coal seemed to fit

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新东方背诵文选 L43.Statistics

There were two widely divergent influences on the early development of statistical methods. Statistics had a mother who was dedicated to keeping orderly records of government units (states and statist

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新东方背诵文选 L41.American black bears

American black bears appear in a variety of colors despite their name. In the eastern part of their range, most of these brown, red, or even yellow coats. To the north, the black bear is actually gray

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新东方背诵文选 L44.Obtaining Fresh water from icebergs

The concept of obtaining fresh water from icebergs that are towed to populated areas and arid regions of the world was once treated as a joke more appropriate to cartoons than real life. But now it is

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李阳美语发音秘诀之秘诀25:相互同化(1)

相互同化就是前后两个连在一起的音念起来不太方便，于是连在一起的两个音就互为影响而混合成一个新的、折衷的、比较好念的音，使之念起来顺口、听起来顺耳、看起来顺眼。此类同化并非是随意的，而是有规可循的。主要的变化如下： [] + [ ] = [] 此情况基本上都连读 1．

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李阳美语发音秘诀