災(zāi)難:聯(lián)合國加緊救援海地災(zāi)區(qū)
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- 紅字第五章
科學(xué)60秒:逃離
Sea lampreys leave as the invasive species chomps through the Great Lakes. Attempts to manage them have relied in part on pheromones that attract the animals. After being trapped, they’re eithe...
plants in the deserts
Plants in the DesertsSome cacti, like the saguaro, grow to tree size, but true trees need more moisture than most desert environments can supply, so they are scarce on deserts. Close to streambed...
詠黃水仙花
詩歌To Daffodils ——Robert Herrick Fair daffodils, we weep to see You haste away so soon; As yet the early-rising sun Has not attained his noon. Stay, stay, Until the hastin...
晨讀美文044
晨讀美文The Germans generally adore England and have suffered in the past from unrequited love.England used to be the ultimate role model with its amazingly advanced political,social, industrial