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Caffeine is the ＂Drug＂ of Choice in Many Cultures From VOA Learning English, this is Science In The News in Special English. Im Avi Arditti. And Im Faith Lapidus. Today, we report on caffeine and two popular drinks: tea and coffee. We tell about

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What you eat or drink in the hours and minutes before bed may make the difference between a restful slumber and a fitful night of tossing and turning. 在睡前的一段时间里你吃喝了什么对你的睡眠质量有着很大的影响。 1. Eatin

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aromatic-naphthenic oil

arterial partial pressure of carbon dioxide