单词：microwave biological effect
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Broadcast: Jan 10 2003 The Pentagon has issued a statement 2) asserting the military is prepared to protect its personnel from possible biological weapons attack. On the surface, the Pentagon's assert
VOA2003（上）-健康之旅
本讲为 2006 年下半年新的教学内容，请对照教材、练习册和语法书听录音！ 1. Data from previous animal experiments is used to develop a computer model which will predict what
自考英语（二）60讲
By Lisa Schlein Geneva 20 November 2006 U.N. Secretary-General Kofi Annan is urging nations to do more to combat biological weapons, and to create global safeguards to keep them out of terrorist hands. Kofi Annan at a review conference on Biological
2006年VOA标准英语（十一月)
AGRICULTURE REPORT - Biological Controls, Part 1 By Mario Ritter Broadcast: Tuesday, April 13, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Biological controls are living
农业与发展
Israel Practices Biological Attack Response The Israeli government has carried out a two-day exercise it says is aimed at boosting preparedness for any terrorist attack aimed at sparking an outbreak of a highly contagious disease. Israeli officials e
VOA标准英语2011年(十二月)
Nicotine Enhances Effects of Cocaine A new study from Columbia University highlights the role of tobacco in cocaine addiction. The research indicates that nicotine may be a key gateway drug in a biological as well as a social context. Dr. Amir Levine
VOA标准英语2011年(十一月)