世界无烟日英语作文：smoking is harmful and healthy

　　世界无烟日英语作文：smoking is harmful and healthy

　　a small smoke, endanger ten thousand myriad. smoking is equal to prodigal oneself health, shorten oneself life. smoking is harmful and healthy

　　" smoking is harmful and healthy "

　　this is how clear caution, how well-meaning advice! cigarette resembles " invisible killer " , it is in casual a health that damages you, gobble up your life. there also is such person beside us, know perfectly well smoking ill health, but he still smokes. do you know? in the aerosol of the generation when smoking, have a variety of 3000 harmful material. endanger among them the biggest is nicotine. tar and carbon monoxide. the nicotine in a smoke is ok kill with poison a small white rat. absorb 40-60 milligram nicotine the person dies possibly. the person that smokes for a long time suffers from chronic tracheitis easily. coronary heart disease, suffer from even on lung cancer. tar is nicotian flaming child, among them a variety of cancer make thing. the harmful material in cigarette body can enter their body insensibly, the neurological, respiratory system that destroys them. if be mixed for a long time cigarette " intimate contact " the immune force that can reduce human body, make memory drops likely still. the nicotine in cigarette has direct destruction to vitamin c action, because of smoking may prevent human body to be absorbed to it. if human body is long-term devoid vitamin c, get likely scorbutic. 　 did not smoke again please! a small smoke, endanger ten thousand myriad. smoking is equal to prodigal oneself health, shorten oneself life. let us have a smokeless beautiful season!

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