科學(xué)60秒:債務(wù)包袱,昂揚(yáng)斗志
For most of us, owing thousands of dollars in student loans, all while credit card debt, probably sounds like a nightmare. But for people in their early- to mid-20s, all that debt actually seems...
背誦美文—— 冰山
IcebergsIcebergs are among nature’s most spectacular creations, and yet most people have never seen one. A vague air of mystery envelops them. They come into being -- somewhere -- in faraway, fr...
背誦美文——創(chuàng)造顏色
Creating ColorsThere are two ways to create colors in a photograph. One method, called additive, starts with three basic colors and adds them together to produce some other co
晨讀美文032
晨讀美文Why should we live with such hurry and waste of life? We are determined to be starved before we are hungry. Men say that a stitch in time saves nine, and so they take a thousand stitches ...