大學(xué)英語作文：Smoking吸煙

　　Smoking is harrnful to health.Medical science has now proved that smoking cancause lung cancer and other diseases such as emphysema.Your chances of having a heartattack also increase the more you smoke.Smoking is dafinitely a health hazard.

　　吸煙對(duì)健康有害。醫(yī)學(xué)已經(jīng)證明吸煙能引起肺癌和其它疾病, 如肺氣腫。吸煙越多, 得心臟病的機(jī)會(huì)也會(huì)增加。無疑吸煙對(duì)健康有害。