nicotine, an ingredient of tobacco, is listed as an addictive substance by the us authorities.
although the health risks of smoking are culmulative, giving up can yield health benefits regardless of the age of the patient, or the length of time they have been smoking.
future impact
by 2020, the who expects the worldwide death toll to reach 10 million, causing 17.7% of all deaths in developed countries.
there are believed to be 1.1 billion smokers in the world, 800 million of them in developing countries.
good afternoon ,ladies and gentlemen!
i’m very honored to stand here and give you a short speech! to begin with ,i want to ask a question .does everybody dream a good dream last night? actually ,today i want to talk about dream with you. of course, what i want to talk is not a dream you have last night,but a dream—— about life.
everyone has dreams about life, different dreams at different life stage,and we need dreams to support us. dreams are like the stars we never reach in the sky,but like most mariners(水手),we can chart our course by them. with the dream,we have a direction,with a direction, we were no longer confused.with the dream, there is hope,with hope, we have the strength to fight.
i have a dream: to be a doctor.,because doctor may relieve the pain of patients. may let the human change the health. at the same time, i believed that, those who help others may be able to obtain joyfully. therefore, i hoped in the near future ,i might be a doctor.
but i know,life is tough,and there are always ups and downs, maybe we fail in the way to our aims,and we may feel depressed ,whenever at this time, the dream in our heart can always comfort us, encourage us ,and support us to move ahead .
young!fortunately, i am young now. just due to it, i know that nothing is impossible.i firmly believe that nothing can stand in my way. if i can't realize my dream,