单词：james abbott mcneill whistlers
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PEOPLE IN AMERICA -February 3, 2002: George Abbott By Nancy Steinbach VOICE 1: I'm Shirley Griffith. VOICE 2: And I'm Steve Ember with the Special English program. People in America. Every week we tel
People in America
This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? Could the eradication of smallpox have been a factor in the spread of HIV? Thats the question posed by researchers in the journal BMC Immunology, who think that the vacc
Scientific American(五)月
Could the eradication of smallpox have been a factor in the spread of HIV? Thats the question posed by researchers in the journal BMC Immunology, who think that the vaccine might have offered partial protection against HIV. As smallpox was wiped out,
60秒科学
This is the first lesson:Lesson One. Listen to the converstaion between Steven Winn and Jake Seltzer. Good job,Jake.Here are some of your stories for tomorrow. Wait,Steven.I need a minute of your time. Jake,I'm off to the doctor right now.Can it wait
洪恩环境英语
By Al Pessin Washington 06 February 2008 The top NATO commander in Afghanistan is disputing claims that the Taliban is experiencing a resurgence and that the recent increase in violence proves it. The commander also says the number of foreign forces
VOA常速英语2008年（二月）
By Al Pessin Pentagon 05 June 2007 The commander of NATO forces in Afghanistan says the international community is not doing enough to provide troops and a coordinated reconstruction effort to help stabilize the country. American McNeill spoke from A
2007年VOA标准英语（六月）