of 20 . Nobody grows old merely by a number of years . We grow old by deserting our ideals.
Years wrinkle the skin , but to give up enthusiasm wrinkles the soul . Worry , fear , self –distrust bows the heart and turns the spirit back to dust .
Whether 60 of 16 , there is in every human being ?s heart the lure of wonders, the unfailing childlike appetite of what?s next and the joy of the game of living . In the center of your heart and my heart there?s a wireless station : so long as it receives messages of beauty , hope ,cheer, courage and power from men and from the infinite, so long as you are young .
When the aerials are down , and your spirit is covered with snows of cynicism and the ice of pessimism, then you are grown old ,even at 20 , but as long as your aerials are up ,to catch waves of optimism , there is hope you may die young at 80. That?s all ! Thank you!
how exercise helps if our bodies are not strong， our spirit to do things will certainly be quite dull。 and at the same time， we are lack of energy (ies) to study。
diseases will only attack the weak， but not the strong。 why are our bodies not strong? because we do not pay attention to exercise。 for this reason， we students must often take different kinds (sorts) of exercise in the gym。
exercise helps us (to) strengthen our bodies and avoid disease。 it also teaches us cooperation， for most exercise is played by team。
Today a boy named ** is standing here and talking about the near future of the earth.Most people believe that we are living on a beautiful and vital palent.
Because we can find everything we need from everywhere on th earth.But some of us who study the earth are very surprised that th earth is going to die much sooner than before.It means th earth will be like the Mars in a few
years.And then most animals will be exterminated ,and the organism called human may not be seen on the earth any more.Is that a lie or a joke?
No,it's serious and true .A river can be polluted by only a little trash and so little trash can be made by hundreds of families a year. But no country even America can clean the rivers as soon as we pollute them.I'm afriad we do something wrong over and over again. So we have less and less time to redress the balance of Nature.Luckily, it's not too late now. People have many things to do to stop the disaster. For example having a low-carbon lifestyle is one of the best ideas.
More and more young people like to live a low-carbon life. So you see ,life with low-carbon can be
fashionable.In fact when we protect the earth , we are protecting ourselves.Thanks for listening to me. 本文：
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