单词：public health dentist
单词：public health dentist 相关文章
07 牙病的预防与治疗 DATE=2-27-01 TITLE=SCIENCE IN THE NEWS #2113 - (1)Dental Health BYLINE=Nancy Steinbach VOICE ONE: This is Sarah Long. VOICE TWO: And this is Bob Doughty with Science in the
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[00:00.00]Revision module B [00:02.71]Listening and speaking [00:04.52]11 Listen and complete the notes. [01:33.20]Reading [01:34.35]13 Read the passage and check() the true sentences. [01:40.44]Some unusual jobsWhen we ask studentswhat they would li
新标准初中英语第六册
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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This is the VOA Special English Health Report. Bad teeth can be painful -- and worse. They can even be deadly. Infections of the gums and teeth can release bacteria into the blood system. Those bacteria can increase the chances of a heart attack or s
2010年慢速英语(三)月
SCIENCE IN THE NEWS - November 26, 2002: Dental Health By Nancy Steinbach VOICE ONE: This is Steve Ember. VOICE TWO: And this is Bob Doughty with Science in the News, a VOA Special English program abo
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Since I was very small, I like to eat all kinds of candy. My parents always tell me that eating too much candy will do harm to my health, but I never listen to them, because nothing happens to me. But last week, I felt something wrong with my teeth.
英语作文