Mr.Dawson was an old grouch, and everyone in town knew it. Kids knew not to go into his yard to pick a delicious apple, even off the ground, because old Dawson, they said, would come after you with hi
Thoughts In A Tranquil Night 静夜思 Athwart the bed, I watch the moonbeams cast a trail 床前明月光 So bright, so cold, so frail that for a space it gleams like hoar-frost on the margin of my dreams 疑是地上霜 I ra
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 d
Plate Tectonics and Sea-floor Spreading The 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
相关专题: 精美英文欣赏 美丽英文诵读 My father was a self-taught mandolin player. He was one of the best string instrument players in our town. He could not read music, but if he heard a tune a few times, he could pla
Only In Sleep -- by Sara Teasdale 只在睡梦中--莎拉·蒂斯黛尔 Only in sleep, I see their faces 在睡梦中，我才能看得到儿时的玩伴 Children I played with when I was a child 他们的笑脸如此真切 She comes back with her brown hair braided 她绑着棕色的
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
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 me
Archaeology Archaeology 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 Archaeological data are historical documents in their own right, not mere illustrations to written texts, Just a
Brighton Beach By Allan Taylor 《布莱顿海滩》--艾伦·泰勒 Young girl, so pretty 年轻的女孩，如此美丽 Young boy, not a hair on his face 年轻的男孩，脸上还未有胡须 They're looking out at the big wide world 他们面朝着广阔天地 This was their time,
Lesson 4:Electricity The modern age is an age of electricity. People are so used to electric lights, radio, televisions, and telephones that it is hard to imagine what life would be like without them.
Skyscrapers and Environment In the late 1960's, many people in North America turned their attention to environmental problems, and new steel-and-glass skyscrapers were widely criticized. Ecologists po
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 programs already have radically a
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
19.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 maturi
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 of these small changes are important. There are thre
"She had forgotten how the August night" By Edna St. Vincent Millay 她已经忘记了那个八月的夜晚--埃德娜·文森特·默蕾 She had forgotten how the August night was level as a lake beneath the moon 她已经忘记了那个八月的夜晚，夜平静的像月下的湖面 In wh
Lesson 6:Television Television-----the most pervasive and persuasive of modern technologies, marked by rapid change and growth-is moving into a new era, an era of extraordinary sophistication a
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 freed
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 se
