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Population Growth It is well-known that there has been a drastic increase in world population. But it is probably less well-known that the extinction rate of wildlife species is experiencing a parallel trend. Take the United States for instance. In 1
英语专业四级听力50篇
New technologies aid in conservation efforts at the National Zoo Susan Logue Koster | Front Royal, Virginia 19 July 2010 The National Zoo opened a cheetah science facility in 2007 at its conservation center in Front Royal, VA. Cheetahs are considered
VOA标准英语2010年(七)月
The new Race Relations Report 2007 shows that New Zealand is becoming more multi-cultural and we are also feeling more comfortable about immigrants from different ethnic backgrounds. Maoris represent about 15% of the population, Asians nearly 7% and
新西兰英语
The old adage that there are lies, damned lies, and statistics is, funnily enough, rather hard to find an original source for. 俗语有云：世上有三种谎言：谎言，该死的谎言，以及统计数据。但有趣的是，很难找到这句话
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Hawaiian monk seal births are on the rise, according to The Marine Mammal Center. 据海洋哺乳动物中心称，僧海豹出生率在上升。 The species is considered critically endangered, with fewer than 1,200 individuals left in the wild. Sci
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We also then went to look at what are these molecules -- these were the red triangles on my slides before. 我们同时也研究了这些小分子，这些就是我刚才幻灯上的小红三角形。 And so this is the Vibrio fischeri molecule. This
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