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            • [英語聽力] Earth&Sky:在變化的天氣中追蹤蜜蜂
              聽寫填空,只寫填空內(nèi)容,不抄全文,5個左右的句子,不用寫標(biāo)號,注意標(biāo)點(diǎn),重復(fù)單詞只寫一遍~ Hints: Maryland Wayne Esaias is a NASA scientist. He's been using satellite data to track plant and poll
              2011-10-30 06:00
            • [英語聽力] 科學(xué)60秒:勤勞小蜜蜂，如此命苦
              This past winter, about 30 percent of all the managed honeybees in the U.S. died. That's according to the U.S. Department of Agriculture. Such a die-off is no longer unusual. About a third of hon...
              2011-08-18 10:00
            • [英語聽力] Earth&Sky:蜜蜂的花
              聽寫填空,只寫填空內(nèi)容,不抄全文,4個單詞/詞組+1個句子,不用寫標(biāo)號~ Small fields planted with wildflowers to feed bees – called "bee pastures" – could be a way to revive declining bee populatio...
              2011-07-25 06:30
            • [英語聽力] Earth&Sky:造好蜂是什么意思?
              聽寫填空,只寫填空內(nèi)容,不抄全文,4個單詞/詞組+1個句子,不用寫標(biāo)號~ Honey bees in the United States are in decline. What scientists call Colony Collapse Disorder has wiped out about a third of U....
              2011-06-28 06:30
            • [英語聽力] 關(guān)于蜜蜂混亂的新發(fā)現(xiàn)（2）
              病毒破壞蜜蜂用遺傳物質(zhì)合成抗感染蛋白質(zhì)的功能，研究發(fā)現(xiàn)，受損的蛋白質(zhì)無法在受到侵害時作出有效回應(yīng)。Hints： Reed Johnson University of Nebraska-Lincoln University of Illinois May Berenbaum picorna...
              2009-09-28 00:00
            • [英語聽力] 關(guān)于蜜蜂混亂的新發(fā)現(xiàn)（1）
              各國科學(xué)家致力于蜜蜂神秘失蹤謎題，最終通過蜜蜂基因?qū)ふ业酱鸢福l(fā)現(xiàn)瓦螨等小昆蟲可能在病毒傳播中起到重要作用。Hints: University of Illinois United States Department of Agriculture Proceedings of...
              2009-09-27 00:00