遭遇外星人
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润耳故事:风中奇缘21
Pocahontas King James I John Smith ThomasSoon after their marriage, Pocahontas and John went to London. Pocahontas was surprised to see many new things in England. In London she wore beautiful ...
背诵美文——植物拟态
Mimicry in PlantsPlant adaptations can be remarkably complex. Certain species of orchids, for instance, imitate female bees, other plants look and smell like dead animals, and still others have t
背诵美文——细菌
BacteriaBacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a tho...
昨天,今天,还有明天
Yesterday...Today...AND TomorrowThere are two days in every week that we should not worry about, two days that should be kept free from fear and apprehension. One is Yesterday, with its mistak...