Coffee contains a kind of drug called caffeine. Caffeine is a chemical or a chemical substance that stimulates the nerves of the body. Drinking coffee tends to make people a little bit more awake or alert — at least for a short time — because of this stimulating effect on the nervous sy...
A. Therefore因此;B. Moreover另外;C. Instead相反;D. Otherwise否则。根据上文“Caffeine is by no means a nutrient”和下文“it is a substance that can leave you lacking nutrients”可知,前后句是转折关系,空格处表示“相反”,故选C。 (7)题详解: 考查形容词词义辨析。句意:所以专家说,青少年每天...
Abstract Caffeine is a drug that is a common ingredient of popular foods, beverages, and over-the-counter as well as prescription medications. While at least 30% of Americans consume a moderate amount (200 mg. a day, about two cups of coffee), many others function with a much higher ...
1:Caffeine Is Addictive. This one has some truth to it, depending on what you mean by "addictive." Caffeine is a stimulant to the central nervous system, and regular use of caffeine does cause mild physical dependence. But caffeine doesn't threaten your physical, social, or economic health ...
Caffeine is the most widely consumed drug in the world, most commonly from the beverages coffee, tea and soda. An estimated 80% of the world's population consumes a caffeine-containing substance daily. A typical 8-ounce (240-ml) cup of instant coffee contains about 100 mg of caffeine — ...
根据Caffeine is by no means a nutrient; you do not need it to be healthy. ___7___, it is a substance that can leave you lacking nutrients because it has been shown to reduce calcium (钙).可知,咖啡因绝不是一种营养物质,你不需要它是健康的。相反,它是一种物质,可以让你缺乏营养,因为...
1英语翻译Coffee is one of the most popular drinks throughout the world today.In fact,according to some estimates,over 30% of all adults in the world drink coffee at least once a day on the average.Coffee contains a kind of drug called caffeine (咖啡因).Caffeine is a chemical substance ...
Caffeine is classified as a substance that is "generally regarded as safe," or GRAS, by the U.S. Food and Drug Administration (FDA). This means that caffeine is not regulated as a food ingredient by the FDA. It must be listed as an additional ingredient on a drink's label, such as...
Caffeine as a drug of abuse . In R. J. Gibbons , Y. Israel , H. Kalant , R. E. Popham , W. Schmidt , & R. G. Smart (Eds.), Research advances in alcohol and drug problems (Vol. 3 , pp. 49 – 176 ). New ... LA Bennett - Springer US 被引量: 126发表: 1986年 Illic...
“Caffeine can have other harmful effects, including effects on sleep and heart function.”1. What can we learn about caffeine? A.Caffeine can make you have a slim figure. B.The people thinner may have higher levels of caffeine in their blood. C.Caffeine is the most psychoactive substance ...