高中生三分钟演讲稿(共9篇).doc

-!-;-,-;-()-()()()()()()()-()()98%68%()()()()20%35%310()3333-can money buy happiness?can money buy happiness?can money buy happiness? different people have different opinions. some think yes, while others hold the opposite.so, money does not necessarily mean happiness. it all depends on how it is used. if we make honest and sensible use of money, it can be a stepping-stone to happiness lalthough money cannot buy happiness, it can make happiness possible if it is employed sensibly.? -smoking and healthsmoking and healthtoday smoking is a widespread habit ali over the world. not only the old, the youth, but also middle school students have been engaged in smoking. many of them think that smoking is a smart symbol.however, smoking is harmful to ones ,health. it contributes a lot of lung cancer, fromwhich many people have died in the past years. it can also cause many other diseases. in a word, if you smoke, you do have a much greater chance of losing your health. furthermore, scientific research shows that smoking is not only harmful to smokers themselves, but also a threat to public health, especially to women and children.therefore, many countries have made laws forbidding smokers to smoke m public places such as cinemas, stations, hospitals, and so on giveup smoking! if you dont smoke, dont start. give upsmoking for the sake of your health, for the sake of your family, and for the sake of the whole world.-development and the environmentdevelopment and the environmentdumped in them from factories. it is probably no exaggeration to say that deterioration of the quality of the environment threatens the existence of mankind itself.some people are of the opinion that the environmental problem is the price we have to pay for economic development. but i do not think that this argument is valid. after all, what is the point of economic growth if peoples lives are adversely alfected by worsening environmental pollution?there is plenty of evidence to show that sustainable development can be achieved by balancing economic growth with protection of the environment. the key to achieving this is to make people aware of the seriousness of the problem. both governments andordinary citizens should join hands to m