文章列表

• 1.双语有声阅读：内聚压力理论
• 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 tr...
• 2.双语有声阅读：感冒与年龄
• Colds and Age A critical factor that plays a part in susceptibility to colds is age. A study done by the University of ichigan School of Public Health...
• 3.双语有声阅读：收藏品
• Collectibles Collectibles have been a part of almost every culture since ancient times. Whereas some objects have been collected for their usefulness,...
• 4.双语有声阅读：创造颜色
• Creating Colors There are two ways to create colors in a photograph. One method, called additive, starts with three basic colors and adds them togethe...
• 5.双语有声阅读：电
• 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 imag...
• 6.双语有声阅读：进化与轮子
• 进化与轮子 从前，研究自然界没有轮子的进化论生物学家都同意不能用无此需要来解释这种现象：轮子对于动物会像对于我们人类一样有好处。 生物学家们推论，动物没...
• 7.双语有声阅读：睡眠的进化
• 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 ...
• 8.双语有声阅读：民间文化
• Folk Cultures A folk culture is a small isolated, cohesive, conservative, nearly self-sufficient group that is homogeneous in custom and race with a s...
• 9.双语有声阅读：食品与健康
• Food and Health The food we eat seems to have profound effects on our health. Although science has made enormous steps in making food more fit to eat,...
• 10.双语有声阅读：加扎的艺术作品
• Garza's Art Works Carmen Lomas Garza's eloquent etchings, lithographs, and gouache paintings depict primal images of the rural environment and communa...