童话故事: 爱丽丝漫游奇境记02
White Rabbit
DRINK ME
科学60秒:存在钻石星球?
Imagine climbing diamond mountains, or hiking around the graphite shores of a lake of tar. Sound a little sci-fi? Well a new discovery suggests planets like that might be out there—planets with...
背诵美文——火力发电厂
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 electr...
快乐之门
短文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 defini...
拯救大卫
短文David Years ago,when I was working as a psychologist at a children's institution in England , an adolescent boy showed up in the waiting room ,It was David. David wore a black raincoat ...