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As you've probably experienced firsthand, some mosquito species have a real taste for warm, human blood. So much so that if you raise them on it the lab, they'll accept no substitute. Fortunately, I don't get major reactions at all. Brad Main is a mo
2016年Scientific American(九)月
ROME, Dec. 3 (Xinhua) -- Italy lacks the necessary energy(能量,活力) and strength for an economic revival while unemployment and poverty are on the rise, warned a report issued Friday. The 44th edition of the Censis think tank social survey, the
英语新闻
In Africa's battle against malaria, two low-tech tacticsinsecticides and bed netshave done a decent job killing off mosquitoes. But it's mainly one species that's been affected. That's a species called Anopheles gambiae, sometimes called the African
2016年Scientific American(八)月
By Michael Bowman Washington 08 April 2007 The fierce debate in Washington over funding U.S. troops in Iraq continues. Meanwhile, a car bomb attack has killed 17 people and wounded 26 near a health clinic and mosque south of Baghdad, U.S. military an
2007年VOA标准英语（四月）
1) go on vacay 去度假 2) take a road trip 自驾游 3) weekend getaway 周末旅行 如果有一场说走就走的旅行，你最想和谁一起上路呢？
OMG美语
You might not think there would be that many people in the world prepared to devote lifetimes to the study of something so inescapably low key, 你或许会认为，世界上不会有多少人愿意花毕生的心血来研究那个不起眼儿的东西
万物简史