百度试题 结果1 题目What is caffeine A. A kind of drug. B. A kind of nut. C. A kind of plant. D. A kind of seed.相关知识点: 试题来源: 解析 A 反馈 收藏
I agree with this article, I also heard that caffeine is not really a stimulant, that it makes us addicted, just like a drug. After we are addicted, we need our drug, caffeine, to feel as we normally would. So what this means is that caffeine doesn't give us energy beyond our thre...
【题目】Caffeine is a bitter-tasting, odorless drug found in different kinds of plants. Four sources of caf-feine are beans, tealeaves, cocoa beans and cola nuts. Many products containing caffeine are madefrom these plants, such as coffee, tea, chocolate, and cola drinks.Caffeine is a mild...
Caffeine Is A Drug - And The FDA Is Right To Crack DownAmerican Council on Science
Caffeine is the world's most popular drug, regularly consumed by hundreds of millions of adults each day incoffee, tea, soft drinks and energy drinks. Most of us need t to get the day started. 16 We're all addicted, butis that such a bad thing?_17_ Caffeine is a central nervous sy...
B Caffeine is a bitter-tasting,odorless drug found in different kinds of plants. Four sources of caf- feine are beans,tealeaves,cocoa beans and cola nuts. Many products containing caffeine are made from these plants, such as coffee,tea, chocolate,and cola drinks. Caffeine is a mild ...
Caffeine is probably the most widely used drug in the world. Humans have been consuming caffeine for hundreds of years, primarily in the form of coffee, tea, and cocoa. Habitual coffee and tea drinkers had long been observed to have a lower incidence of nonmelanoma (黑色素瘤)skin cancers, ...
a"Caffeine isn't innocuous," says Roland Griffiths of the department of neuroscience at Johns Hopkins University in Baltimore. "It's important to recognize that it's a drug. But there's no hard-and-fast rule for how much is problematic." “咖啡因不是无害的”, Griffiths说神经科学的部门...
1. Caffeine is a bitter, white crystalline xanthinealkaloid and a stimulant drug. Caffeine isfound in varying quantities in the seeds,leaves, and fruit of some plants, where it actsas a natural pesticide that paralyzes and killscertain insects feeding on the plants, as wellas enhancing the re...
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