[网络] 天目珍珠菜

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

发表于:2018-12-24 / 阅读(63) / 评论(0) 分类 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

发表于:2019-01-19 / 阅读(85) / 评论(0) 分类 英语新闻

By Barry Newhouse Islamabad 07 November 2007 Former Pakistan Prime Minister Benazir Bhutto has vowed to launch a massive protest march unless President Pervez Musharraf steps down as head of the army and restores the constitution by next Tuesday. VOA

发表于:2019-01-19 / 阅读(46) / 评论(0) 分类 VOA常速英语2007年(十一月)

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

发表于:2019-01-20 / 阅读(69) / 评论(0) 分类 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

发表于:2019-02-21 / 阅读(75) / 评论(0) 分类 万物简史

Middle east and Afica: Inheritance in Zimbabwe: Why widows get evicted? 中东和非洲:津巴布韦的遗产:遗孀为何被驱逐? The scourge of in-laws robbing the bereaved 姻亲剥夺遗孀(财产)的根源 Activist, firebrand and fem

发表于:2019-02-24 / 阅读(85) / 评论(0) 分类 经济学人综合
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