- [英语听力] Earth&Sky:在变化的天气中追踪蜜蜂
听写填空,只写填空内容,不抄全文,5个左右的句子,不用写标号,注意标点,重复单词只写一遍~ Hints: Maryland Wayne Esaias is a NASA scientist. He's been using satellite data to track plant and poll
- [英语听力] 科学60秒:勤劳小蜜蜂,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...
- [英语听力] Earth&Sky:蜜蜂的花
听写填空,只写填空内容,不抄全文,4个单词/词组+1个句子,不用写标号~ Small fields planted with wildflowers to feed bees – called "bee pastures" – could be a way to revive declining bee populatio...
- [英语听力] Earth&Sky:造好蜂是什么意思?
听写填空,只写填空内容,不抄全文,4个单词/词组+1个句子,不用写标号~ Honey bees in the United States are in decline. What scientists call Colony Collapse Disorder has wiped out about a third of U....
- [英语听力] 关于蜜蜂混乱的新发现(2)
病毒破坏蜜蜂用遗传物质合成抗感染蛋白质的功能,研究发现,受损的蛋白质无法在受到侵害时作出有效回应。Hints: Reed Johnson University of Nebraska-Lincoln University of Illinois May Berenbaum picorna...
- [英语听力] 关于蜜蜂混乱的新发现(1)
各国科学家致力于蜜蜂神秘失踪谜题,最终通过蜜蜂基因寻找到答案,并发现瓦螨等小昆虫可能在病毒传播中起到重要作用。Hints: University of Illinois United States Department of Agriculture Proceedings of...