奧巴馬將就國(guó)家安全發(fā)表重要講話 (2)
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美文背誦——睡眠的進(jìn)化
Evolution of SleepSleep is very ancient. In the electroencephalographic sense we share it with all the primates and almost all the other mammals and birds: it may extend back as far as the reptil...
歐盟峰會(huì)聚焦經(jīng)濟(jì)刺激計(jì)劃 (2)
Hints: Krugman Brussels Krugman, who was visiting Brussels this week, also faults the deficit cap, known as the Stability Pact, for E.U. members using the euro currency. "These are unusual...
災(zāi)前準(zhǔn)備培訓(xùn)(2)
天災(zāi)不斷,有不少組織就開(kāi)始對(duì)居民進(jìn)行災(zāi)前準(zhǔn)備的培訓(xùn)Cassie Dummett is the technical adviser for South Asia. She tells us from New Delhi that some of the most successful programs are in parts of cen...