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Question

据科学家测定，烟草中含有数百种复杂的化学成分，大部分对人体有害，其中焦油、尼古丁、酚类、醇类、酸类、醛类等40种是有毒和有致癌作用的物质。烟在点燃后，所产生的烟雾，包含了烟草中所有的化学成分，同时比烟草本身又增加了一些有害物质，如一氧化碳和烟焦油等。这是因为除烟草本身外，在制成卷烟的过程中，要在原料中加入一些可可、甘草、糖、甘油、乙二醇等调味、湿润、产香、助燃物质。这些添加剂虽然本身无害，但在燃烧过程中却起了变化。例如，在鼠背涂上可可燃烧后产生的烟油，可长出皮肤瘤。甘草中的甘草酸在燃烧后，与其他成分化合，可生成有致癌作用的多环芳烃。糖与烟草一起燃烧后增加了焦油量，而糖燃烧后的产物是烟中的一个重要致癌物。甘油和乙二醇在燃烧后的物质，不但可能使吸烟者患膀胱癌，而且所产生的丙烯醛可抑制气管和纤毛分泌物从肺内排出，从而增加患气管炎和肺气肿的机会，并使患有这两种病的人病情加重。
医学家报告，吸一口烟，喷出的烟雾中含有40亿粒微尘、数百种化合物。其中包括几十种有毒物和致癌物。因此，在公共场所和室内吸烟危害极大。家庭中如有一人吸烟，那么这一家中的男女老少都要遭殃，成了“被动吸烟者”。
为了大家的健康 请勿吸烟

Answer 1

Complicated chemical composition , major part are bad for the human body on the grounds of containing several hundred kinds in the scientist admeasurement , tobacco , tar , nicotine , phenol among them resemble , 40 kinds such as alcohol kind , sour kind , aldehyde kind is to deleterious and matter having carcinogenesis. Cigarette smoke fog come into being in the lighting-up queen ,has contained all tobacco middle chemical composition , ratio tobacco has increased a few hazardous wastes at the same time per se, if carbon monoxide and cigarette tar etc.This is self outside because of getting rid of tobacco, in the process manufacturing a cigarette, be going to add a little coconut , licorice root , candy , glycerin , glycol etc. flavor , to moist , to produce the incense , combustion-supporting matter in raw material. These additives have got change in the process of combustion but although self is innocuous. For instance, cover with the tobacco tar that the coconut burn queen produces in the mouse back, may come into the skin tumour. Licorice root acid in licorice root with other constitutive chemical combination after burning, may come into being many ring aromatic hydrocarbons having carcinogenesis. Candy burns the amounts having increased tar the day afer tomorrow together with tobacco , that candy burns queen's outcome is a important cancerogen in cigarette but. Glycerin and the glycol matter behind the combustion, not only may make smoker trouble bladder cancer, moreover the what comes into being acrolein may restrain the air tube and cilium secreta from lung inner snapout, increase the chance suffering from the tracheitis and emphysema thereby , make the person state of illness developing this two kinds disease increase weight and. The medical science family report a mouthful of cigarette , attracts, contain 4 billion tiny granule dust , several hundred kinds compound in the smoke fog gushing. Have poison and cancerogen among them including the several tens kind. Therefore, be in a public place and interior damage maximum having a smoke. Have a smoke in the family if having one people, man and woman of all ages in this one has all needed to suffer disaster so , has become "the passive smoker ". For everybody's health No smoking
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