单词：oral public health
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Unit 12 Public Speaking In-Class Reading Why Study Public Speaking? 1 Today, beyond the relative security of the college or university classroom, nearly 7,000 speakers will 1 stand in front of America
新编大学英语阅读部分
SCIENCE REPORT – February 13, 2002: Oral Health Study By George Grow This is the VOA Special English SCIENCE REPORT. A new report examines the problem of tooth and gum disease in the United States.
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SCIENCE IN THE NEWS - Fight to End Polio a Story of Unexpected Problems, but Also Progress Over the years, polio experts have had to learn to deal with surprises. Transcript of radio broadcast: 03 March 2008 VOICE ONE: This is SCIENCE IN THE NEWS in
VOA慢速英语2008年（三）月
Lesson19 Is it Good to Live in a Large Modern City? Text I Hate to Live in a Large Modern City Avoid the rush-hour must be the slogan of large cities the world over. If it is, it's a slogan no one takes the least notice of. Twice a day, with predicta
英语口语教程（Oral Workshop）--高级
Lesson 33 Thieves Beware : People See You Text A Each year car theft costs us about ￡300 million, and burglary sets us back by another ￡150 million. Yet the police reckon that one car in five is left unlocked, or with windows open, or with expens
英语口语教程（Oral Workshop）--中级
President Barack Obamas signature health care law appeared to be in legal jeopardy Tuesday, following oral arguments before the Supreme Court of the United States over whether the law is constitutional. The case now before the high court represents a
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