单词：minimal lethal dose (mld)
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Studies Link Bee Decline to Insecticide Billion-dollar bees Bees pollinate the flowers that become fruits, nuts and vegetables. The work these insects do is worth about $18 billion a year to U.S. farmers. But honeybee colonies in the United States ha
VOA标准英语2012年(三月)
在世界流行乐坛中，北欧常常能为我们带来一些惊喜。而来自丹麦的Michael Learns To Rock（MLTR）就是其中之一，他们在九十年代风靡世界，带来抚动我们心弦的音乐--斯堪的纳维亚清新气息和经典流行音乐的完美结合。没有漂亮迷人的外表，没有铺天盖地的宣传，没有引人遐
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Good morning, I'm Melissa Long here at the CNN center in Atlanta on this Wednesday morning, the eleventh of November Veteran's Day. Here's a look at some of the stories happening NOW IN THE NEWS. The suspect in the Fort Hood shootings, army Major Nid
cnn2009年(十一)月
By Cindy Saine Washington 08 January 2008 The U.S. Supreme Court this week heard oral arguments challenging the use of lethal injections to carry out executions in the United States. The case under consideration comes from Kentucky, where two death r
VOA标准英语2008年（一月）
Chinese health authorities have given approval to a domestic company to mass produce a vaccine for the H1N1 strain of flu. Unlike other vaccines, this one does not require multiple doses. Chinese worker displays vials containing H1N1 flu vaccine by
VOA标准英语2009年(九月)
BEIJING, March 15 (Xinhuanet) -- The number of Alzheimer patients is growing rapidly, so is that of unpaid caregivers（照顾者看护人）, says a report released Tuesday by the Alzheimer's Association. Nearly 15 million caregivers, most of them f
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