【正文】
l).吸煙有害(Smoking Is Harmful)Smoking Is HarmfulIt is said that about half of people in China young boys and girls have the habit of smoking, though they are middle school studentsAs we all know, smoking does great harm to human and more people have e to realize how serious this problem they are never bored with people think it is a kind of fashion, some think it is of great fun and others think that smoking can refresh causes many lot of people always cough because of most serious illness caused by smoking is lung smoking is a waste of , careless smokers may cause dangerous order to keep healthy, we should get rid of the bad habit of stop smoking at 據(jù)說,中國有一半人在吸煙。吸香煙是導(dǎo)致慢性支氣管炎和肺氣腫的主要原因,而慢性肺部疾病本身,也增加了得肺炎及心臟病的危險(xiǎn),并且吸煙也增加了高血壓的危險(xiǎn)。我爸講的保證不抽煙的話有成百上千次了,但一直沒能做到。煙灰缸里的煙頭數(shù)不勝數(shù)。你可別看我老爸平時(shí)不怎么抽,但是到的晚上,老爸搖身一變成了一臺(tái)“排煙器”客廳里煙霧繚繞。我爸晚上睡覺了,我便偷偷打開。我們?cè)诒Wo(hù)自己身體健康的同時(shí),也要對(duì)我們所生活的環(huán)境加以保護(hù),因?yàn)橄銦熕尫诺臒熿F都是有害的,含有大量二氧及其它有害氣體,這也是公共場(chǎng)所污染的重要來源之一,所以