单词:Negaprion
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Lesson 1 Does Television Play a Positive or Negative Role in the Modern Society? Text Do the Advantages of Television Outweigh the Disadvantages? Television is now playing a very important part in our
By Jordan Davis Dakar 31 December 2006 Senegalese officials say they are investigating the killing of a top politician El-Hadj Oumar Lamine Badji (File photo) in the country's southern Casamance region. Separatist groups in Casamance have waged a tw
[00:01.46]Someone need a hand? 谁丢了手吗? [00:04.44]- Wheres my nose? - Here it is. - 我鼻子哪儿去了? - 给你 [00:05.86]- Heres your arm. - Gimme that. - 你的胳膊 - 给我 [00:07.16]Honey, the mustache? 亲爱的 胡子呢? [00:08.1
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Conditions such as mad cow disease are caused by abnormally shaped proteins, called prions. Prions spread by causing other, normal proteins to misfold
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Early reports suggest Ethiopia's ruling party has won a massive victory in Sunday's parliament elections. Almost every major opposition leader appears to have been defeated. The headquarters of Ethiopia's main opposition party was like a funeral parl
RACHEL MARTIN, HOST: Scientists have developed a better test for a very rare brain disease. And as NPR's Rae Ellen Bichell reports, this test could lead to new ways to diagnose more common diseases like Parkinson's and Alzheimer's. RAE ELLEN BICHELL,