单词:platinum monoxide
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EXPLORATIONS - Carbon Monoxide Poisoning is a Silent Killer That Causes Death and Injuries Throughout the World By Marilyn Christiano Broadcast: Wednesday, November 02, 2005 (MUSIC) VOICE ONE: This is
FAITH LAPIDUS: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Faith Lapidus. CHRISTOPHER CRUISE: And I'm Christopher Cruise. Winter has brought cold weather to many areas in Earths northern hemisphere. With the cold comes a danger as old as
Helen stepped outside her front door to see what the weather was like. It was sunny and warm. That was nice, because for the past two weeks it had been cold and rainy. It had been so cold that she had had to turn her heater on. She was lucky, because
FRITZI BODENHEIMER: This is SCIENCE IN THE NEWS in VOA Special English. I'm Fritzi Bodenheimer. FAITH LAPIDUS: And I'm Faith Lapidus. Winter conditions are affecting many countries in Earth's northern hemisphere. Winter brings cold weather and, with
SCIENCE IN THE NEWS - A Silent Killer Carbon Monoxide Poisoning SHIRLEY GRIFFITH: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Shirley Griffith. BOB DOUGHTY: And I'm Bob Doughty. Winter has brought cold weather to many areas in Earths nor
HARBIN, Jan. 31 (Xinhua) -- Carbon monoxide has been blamed for the Tuesday deaths of 12 workers in a coal mine in northeast China's Heilongjiang Province, a local official said Thursday. Three workers entered the Yongsheng mine in Dongning County to