童话故事: 爱丽丝漫游奇境记02
White Rabbit
DRINK ME
科学60秒:身体温暖保健康
As a bitter winter storm rages on the east coast, it’s hard to knock being warm-blooded. But what about the metabolic cost of maintaining a high body temperature? Well, a new study finds that we...
希望之光
The Light of Hope——"希望之光"In a world filled with darkness, we all need some kind of light, whether it’s a great flame that shows us how to win back what we’ve lost, or a powerful beacon in...
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...
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 ...