单词：
单词： 相关文章
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
RIO DE JANEIRO, July 20 (Xinhua) -- Iziane Castro Marques, a mainstay of the Brazilian basketball team, was cut from the Olympic squad on Friday for disciplinary reasons just eight days before the tournament. Marques, a starting small forward on the
英语新闻
By Anjana Pasricha New Delhi 03 September 2007 Bangladesh's military-backed administration has arrested former Prime Minister Khaleda Zia on charges of corruption. Anjana Pasricha reports from New Delhi that the heads of the country's two main politi
2007年VOA标准英语（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
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