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
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
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
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
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
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
新东方背诵文选 L22. Collectibles
rc=sound/3900022.rm width=200 height=50 type=audio/x-pn-realaudio-plugin controls="ControlPanel,StatusBar">Collectibles have been a part of almost every culture since ancient times. Whereas some objec
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
新东方背诵文选 L24．Piano
The ancestry of the piano can be traced to the early keyboard instruments of the fifteenth and sixteenth centuries --- the spinet, the dulcimer, and the virginal. In the seventeenth century the organ,
新东方背诵文选 L25. Movie Music
Accustomed though we are to speaking of the films made before 1927 as "silent", the film has never been, in the full sense of the word, silent. From the very beginning, music was regarded as an indisp
新东方背诵文选 L26. International Business and Cross-cultura
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,
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
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
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
新东方背诵文选 L30 The origin of Refrigerators
By the mid-nineteenth century, the term "icebox" had entered the American language, but ice was still only beginning to affect the diet of ordinary citizens in the United States. The ice trade grew wi
