首页
登录
职称英语
Electronic cigarettes are handheld nicotine-delivery devices that, despite a
Electronic cigarettes are handheld nicotine-delivery devices that, despite a
游客
2024-04-03
31
管理
问题
Electronic cigarettes are handheld nicotine-delivery devices that, despite a devoted following, are currently swirling in controversy. New York is pushing to become the first state to ban the devices, which so far remain【C1】______and mostly unstudied. With cute colors, fruity flavors, clever designs and other options, e-cigarettes may hold too much【C2】______for young people, critics warn, offering an easy gateway to nicotine addiction. But those criticisms clash with【C3】______strong arguments for the value of e-cigarettes. The devices, which are tobacco-free, may be a safer【C4】______to cigarettes, say advocates, who point to thousands of smokers who say they have used e-cigarettes to help them quit.
Electronic cigarettes【C5】______use a rechargeable battery-operated heating element to vaporize the nicotine in a replaceable pipe. Nicotine is the substance in tobacco that people can become addicted to. Some e-cigarettes are made to look like real cigarettes, cigars or pipes. Others look like pens or USB memory devices. No tobacco is【C6】______in e-cigarettes and there is no smoke either. Instead, as users breathe in, they take in nicotine-filled vapor.
By isolating nicotine, e-cigarettes should carry far fewer chemical risks than【C7】______cigarettes. Tobacco contains about 5,000【C8】______chemicals with as many as 100,000 more that haven’t yet been known. E-cigarettes【C9】______many of those ingredients. Researchers also found evidence that e-cigarettes reduce desires among smokers, not just for nicotine but also for the need to hold something in their hands and put something in their mouths. As a cigarette-quitting strategy, it’s not that the devices are good for anyone, but they are just better than what they’re meant to【C10】______
A)alternative B)engaged C)regular D)opaque
E)involved F)typically G)solely H)appeal
I)momentum J)equally K)replace L)unregulated
M)eliminate N)detect O)identified [br] 【C8】
选项
答案
O
解析
空格在名词前面,可能是名词、形容词或分词作定语。空格后提到“仍有10万种以上‘未知的’化学成分”,由此推断空格所在部分讲烟草中已有5000种“已知的”化学成分,identified作定语表示“已鉴定的、已认出的”,符合句意。
转载请注明原文地址:https://tihaiku.com/zcyy/3539315.html
相关试题推荐
Electroniccigarettesarehandheldnicotine-deliverydevicesthat,despitea
Electroniccigarettesarehandheldnicotine-deliverydevicesthat,despitea
Electroniccigarettesarehandheldnicotine-deliverydevicesthat,despitea
Electroniccigarettesarehandheldnicotine-deliverydevicesthat,despitea
HowtheCIAWorks[A]DespiteplentyofHollywoodfilmsabouttheCIAand
HowtheCIAWorks[A]DespiteplentyofHollywoodfilmsabouttheCIAand
HowtheCIAWorks[A]DespiteplentyofHollywoodfilmsabouttheCIAand
HowtheCIAWorks[A]DespiteplentyofHollywoodfilmsabouttheCIAand
HowtheCIAWorks[A]DespiteplentyofHollywoodfilmsabouttheCIAand
HowtheCIAWorks[A]DespiteplentyofHollywoodfilmsabouttheCIAand
随机试题
Today’slectureisonthesubjectofPronunciationAchievementFactors.
Whatdemostpeopledowhentheyhaveimportanttasksandurgentrequestsatthe
燃气管道根据输气压力分类,当管道内燃气压力不同时,对()要求也不同。A、管道防
抢救时首选的药物为A:异丙肾上腺素 B:盐酸肾上腺素 C:呼吸兴奋剂 D:
()是提醒人们对周围环境引起注意,以避免可能发生危险的图形标志(A)禁止标
直流电源充电机单元交流切换装置两路交流输入异常,以下哪些缺陷是危急缺陷?(A)欠
下列图片所反映的事件,按时间先后顺序排列正确的是: ①② ③④A.④②①③
防火分区至避难走道入口处应设置防烟前室,开向前室的门应采用(),前室开向避难
通过收购股权的方式进行并购时,对目标公司进行估值所使用的折现率应是()。A.并购
常用的房地产投资风险识别的方法有()。A:询问法 B:问卷调查法 C:专家调
最新回复
(
0
)