Nicotine is a highly addictive substance that occurs naturally in tobacco. It is the active ingredient in tobacco smoke. It has a pungent odor and an acrid taste. Nicotine is defined as a poisonous, oily, pale yellow substance that turns brown upon exposure to air. In concentrated form, ...
What is nicotine? Nicotine is a chemical that occurs naturally in tobacco, constituting around five percent of the plant by weight. It can also be found in significantly lower levels in other plant varieties of the nightshade family, including tomatoes, potatoes, and eggplants. In its pure stat...
Nicotine is an alkaloid stimulant that comes from the nightshade family of plants, particularly from the leaves of tobacco. The type of nicotine found in tobacco plants is calledNicotiana tabacum. Nicotine can also be synthetically produced. Thousands of chemicals are contained in tobacco smoke, and...
Nicotine is what keeps smokerssmoking: It's the chemical found in the leaves oftobaccoplants that makes cigarettes so addictive. It's in allcigars, smokeless tobacco (such as chew or snuff), and mostelectronic cigarettes, or e-cigarettes. Nicotine gums, patches, and lozenges have it, too. ...
单句改错What is known to us is that tobacco contains nicotine(尼古丁) and other harmful substances(物质),so you should give up smoke. 相关知识点: 试题来源: 解析 smoke 改为 smoking。 句意:我们都知道,烟草中含有尼古丁 和其他有害的物质,因此你应该戒烟。
Deloach added that nicotine is addictive and has been shown to harm the developing brain in children, teens and young adults, as the brain keeps developing until age 25. “Using nicotine, in any form, can harm the parts of the brain that control attention, learning, mood and impulse con...
Find out what a nicotine patch is and how it works with this guide from Nicorette. Learn about the benefits of using a nicotine patch to soothe your cravings.
Anyone using nicotine gumand use the gum instead. Too much nicotine in the system can cause severe illness and even death. Although nicotine gum is available over the counter you should always consult your doctor before starting on any new health regiment. ...
3.众所周知的是,尼古丁(nicotine)与烟草上瘾和肺癌有关,所以你最好早点戒烟。 (something)What is known to all is that nicotine has something to do with addiction to toba-cco and lung cancer, So you had better give up smoking as early as possible. ...
5___ is known to us is that tobacco contains nicotine and other harmful products, so you should give up smoking.?[ ]A. As B. It C. What D. Which 反馈 收藏