新概念优美背诵短文50篇 Unit8:American RevolutionThe 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 were already independent nations. Significant changes were ushered in, but they were not breathtaking.

新东方优美背诵短文50篇 Unit23:Ford23 FordAlthough 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 even by today’s standards. Safety measures were improved, and the wor

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 small for the human eye to see. They drift about lazily with the currents, providing a basic food for man

新概念优美背诵短文50篇 Unit11:Archaeology ArchaeologyArchaeology is a source of history, not just a bumble auxiliary discipline. Archaeological data are historical documents in their own right, not mere illustrations to written texts, Just as much as any other historian, an archaeologist studies and tries to

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.美德好比宝石，它在朴素背景的衬托下反而更华丽；同样，一个打扮并不华贵却端庄严肃而有美德者是令人肃然起敬的。Neither is it almost seen, that very beautiful persons

新东方优美背诵短文50篇 Unit22:Collectibles22 CollectiblesCollectibles have been a part of almost every culture since ancient times. Whereas some objects have been collected for their usefulness, others have been selected for their aesthetic beauty alone. In the United States, the kinds of collectibles current

新概念优美背诵短文50篇 Unit12:Museums12 MuseumsFrom Boston to Los Angeles, from New York City to Chicago to Dallas, museums are either planning, building, or wrapping up wholesale expansion programs. These programs already have radically altered facades and floor plans or are expected to do so in the not-too-

Tell me not in mournful numbers,Life is but an empty dream!For the soul is dead that slumbersAnd 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 earnest!And the grave is not its goalDust thou art, to dust returnest,Was not spoken of the soul.人生是实在的！人生

A friend walks in when the rest of the world walks out.Sometimes in life,You find a special friendSomeone who changes your life just by being part of it.Someone who makes you laugh until you can't stopSomeone who makes you believe that there really is good in the world.Someone who convinces you that

新东方优美背诵短文50篇 Unit30:The origin of Refrigerators30 The origin of RefrigeratorsBy the mid-nineteenth century, the term &ldquoicebox&rdquo 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 with the growth

新东方优美背诵短文50篇 Unit38:Topaz38 TopazTopaz 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 topaz”. The best-known precious topaz gems range in color from rich yellow to light brown or pinkish red

新东方优美背诵短文50篇 Unit36:Plate Tectonics and Sea-floor Spreading36.Plate Tectonics and Sea-floor SpreadingThe theory of plate tectonics describes the motions of the lithosphere, the comparatively rigid outer layer of the Earth that includes all the crust and part of the underlying mantle. The lithosphere

新东方优美背诵短文50篇 Unit49:Sleep49 SleepSleet 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 sleep cycle is as follows. When you fist drift off into slumber, your eyes will roll about a bit, you temp

新东方优美背诵短文50篇 Unit42:Coal-fired power plants42.Coal-fired power plantsThe 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 the bill, and it fueled the ea

新东方优美背诵短文50篇 Unit48:Bacteria48 BacteriaBacteria 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 thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bacteria are usually from

新东方优美背诵短文50篇 Unit45:The Source of Energe45.The source of EnergyA summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun in fact, at the Sun&rsquos very center. It is here that is to be found the source of the energy that the Sun constantly pours out into spa

新东方优美背诵短文50篇 Unit39:The Salinity of Ocean Waters39 The Salinity of Ocean WatersIf the salinity of ocean waters is analyzed, it is found to vary only slightly from place to place. Nevertheless, some of these small changes are important. There are three basic processes that cause a change in oceanic s