This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. The Patriot Act and the Bioterrorism Preparedness Act were passed in 2001 and 2002. These laws in part cover research on pathogens and toxins thought to

发表于:2019-01-08 / 阅读(61) / 评论(0) 分类 Scientific American(五)月

The US needs to reward companies for keeping jobs in the United States. That message from President Obama today, he held a meeting this morning at the White House with business executives and cabinet members and the topic was jobs. Mr. Obama says eve

发表于:2019-01-08 / 阅读(78) / 评论(0) 分类 2012年NPR美国国家公共电台1月

SCIENCE IN THE NEWS - Anthrax Has Been Widely Feared Since the 2001 Anthrax Attacks in the United BARBARA KLEIN: This is SCIENCE IN THE NEWS, in VOA Special English. Im Barbara Klein. CHRISTOPHER CRUISE: And Im Christopher Cruise. Today we tell about

发表于:2019-01-12 / 阅读(35) / 评论(0) 分类 2011年VOA慢速英语(十一)月

By Paul Sisco Washington, DC 19 May 2006 watch Anthrax Detection report Anthrax Space age technology is playing a role in the war on terror. Paul Sisco reports on a device developed by the U.S. space

发表于:2019-02-02 / 阅读(91) / 评论(0) 分类 2006年VOA标准英语(五月)

Anthrax Outbreak In Russia Thought To Be Result Of Thawing Permafrost STEVE INSKEEP, HOST: Russia is fighting a mysterious outbreak of disease. Dozens of people are hospitalized due to anthrax. Yes, anthrax, the bacterial infection so deadly that cer

发表于:2019-02-13 / 阅读(48) / 评论(0) 分类 2016年NPR美国国家公共电台8月

模仿文本: Anthrax is a potentially deadly disease that caused by a bacteria. Occasionally it is found in nature but the strain found in the letters is the aim strain developed by the USmilitary after the World War II to research biological weap

发表于:2019-02-16 / 阅读(34) / 评论(0) 分类 英音模仿秀