新概念优美背诵短文50篇 Unit8:American Revolution The American Revolution was not a sudden and violent overturning of the political and social framework, such as later occurred in France and Russia, when both we
新东方优美背诵短文50篇 Unit23:Ford 23 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 t
新东方优美背诵短文50篇 Unit33:Plankton浮游生物 33 Plankton浮游生物. Scattered through the seas of the world are billions of tons of small plants and animals called plankton. Most of these plants and animals are too sma
新概念优美背诵短文50篇 Unit11:Archaeology Archaeology Archaeology is a source of history, not just a bumble auxiliary discipline. Archaeological data are historical documents in their own right, not mere illust
Virtue is like a rich stone, best plain set; and surely virtue is best, in a body that is comely, though not of delicate features; and that hath rather dignity of presence, than beauty of aspect.美德好比宝
新东方优美背诵短文50篇 Unit22:Collectibles 22 Collectibles Collectibles have been a part of almost every culture since ancient times. Whereas some objects have been collected for their usefulness, others have b
新概念优美背诵短文50篇 Unit12:Museums 12 Museums From Boston to Los Angeles, from New York City to Chicago to Dallas, museums are either planning, building, or wrapping up wholesale expansion programs. These pr
Tell me not in mournful numbers, Life is but an empty dream! For the soul is dead that slumbers And things are not what they seem.请别用哀伤的诗句对我讲； 人生呵，无非虚梦一场！ 因为沉睡的灵魂如死一般， 事物的表里并不一样。Life is real! Life is
A friend walks in when the rest of the world walks out. Sometimes in life, You find a special friend; Someone who changes your life just by being part of it. Someone who makes you laugh until you can'
新东方优美背诵短文50篇 Unit30:The origin of Refrigerators 30 The origin of Refrigerators By the mid-nineteenth century, the term “icebox” had entered the American language, but ice was still only be
新东方优美背诵短文50篇 Unit38:Topaz 38 Topaz Topaz is a hard, transparent mineral. It is a compound of aluminum, silica, and fluorine. Gem topaz is valuable. Jewelers call this variety of the stone “precious to
新东方优美背诵短文50篇 Unit36:Plate Tectonics and Sea-floor Spreading 36.Plate Tectonics and Sea-floor Spreading The theory of plate tectonics describes the motions of the lithosphere, the comparatively rigid o
新东方优美背诵短文50篇 Unit49:Sleep 49 Sleep Sleet is part of a person’s daily activity cycle. There are several different stages of sleep, and they too occur in cycles. If you are an average sleeper, your slee
新东方优美背诵短文50篇 Unit42:Coal-fired power plants 42.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 wit
新东方优美背诵短文50篇 Unit48:Bacteria 48 Bacteria Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a tho
新东方优美背诵短文50篇 Unit45:The Source of Energe 45.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 ce
新东方优美背诵短文50篇 Unit39:The Salinity of Ocean Waters 39 The Salinity of Ocean Waters If the salinity of ocean waters is analyzed, it is found to vary only slightly from place to place. Nevertheless, some
