YOUTH Youth is not a time of life，it is a state of mind; it is not a matter of rosy cheeks, red lips and supple knees， it is a matter of the will, a quality of the imagination, a vigor of the emotions.it is the freshness of the deep springs of li
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新东方优美背诵短文50篇 Unit49:Sleep 49 Sleep Sleet is part of a persons 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
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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 thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bac
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Folk Cultures A folk culture is a small isolated, cohesive, conservative, nearly self-sufficient group that is homogeneous in custom and race with a strong family or clan structure and highly developed rituals. Order is maintained through sanctions b
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46.Vision 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 smell. In the course of evolution members o
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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 statistics come from the same Latin root statu
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Giving Life Meaning Have you thought about what you want people to say about you after youre gone? Can you hear the voice saying, He was a great man. Or She really will be missed. What else do they say? One of the strangest phenomena of life is to en
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Archaeology Archaeology is a source of history, not just a humble 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 Archaeological data are historical documents in their own right, not mere illustrations to written texts.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 st
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Andrew Carnegie Andrew Carnegie, known as the King of Steel, built the steel industry in the United States, and, in the process, became one of the wealthiest men in America. His success resulted in part from his ability to sell the product and in par
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The Historical Significance of American Revolution 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,
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An October Sunrise I was up the next morning be fore the October sunrise, and away through the wild and the woodland. The rising of the sun was noble in the cold and warmth of it peeping down the spread of light, he raised his shoulder heavily over t
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Mirror, Mirror---What do I See? A loving person lives in a loving world. A hostile person lives in a hostile world. Everyone you meet is your mirror. Mirrors have a very particular function. They reflect the image in front of them. Just as a physical
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Work and Pleasure To be really happy and really safe, one ought to have at least two or three hobbies, and they must all be real. It is no use starting late in life to say: I will take an interest in this or that. Such an attempt only aggravates the
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Born to Win Each human being is born as something new, something that never existed before. Each is born with the capacity to win at life. Each person has a unique way of seeing, hearing, touching, tasting and thinking. Each has his or her own unique
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The Happy door Happiness is like a pebble dropped into a pool to set in motion an ever-widening circle of ripples. As Stevenson has said, being happy is a duty. There is no exact definition of the word happiness. Happy people are happy for all sorts
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The Love of Beauty The love of beauty is an essential part of all healthy human nature. It is a moral quality. The absence of it is not an assured ground of condemnation, but the presence of it is an invariable sign of goodness of heart. In proportio
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Relish the Moment Tucked away in our subconsciousness is an idyllic vision. We see ourselves on a long trip that spans the moment. We are traveling by train. Out the windows, we drink in the passing scene of cars on nearby highways, of children wavin
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First Inaugural Address We observe today not a victory of party, but a celebration of freedom, symbolizing an end, as well as a beginning; signifying renewal, as well as change. For I have sworn before you and Almighty God the same solemn oath our fo
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Cohesion-tension Theory Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. Until the end of the ninete
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