英语四级写作：人类要活下去

英语自学网

　　Man is faced with more and more problems which threaten man's existence on Earth.The resources will soon be exhausted. Many diseases can't be cured. And the problems of pollution and population are also getting worse according to some studies.
        　　Therefore,some people wonder whether man can survive in the future. We are running out of natural resources. We are suffering from those uncurable diseases. Because of the pollution, we won't have pure water or fresh air which are necessary to our lives. The population is a big problem, too. The globe is getting overcrowded. The worst pre diction of some people is that man will die out in the future.
        　　They are exaggerating, of course. But the situation is grave, indeed. We must do our best to make the world better for us to survive. We can find new things, such as solar energy to replace the traditional resources. With the help of science, we can also find new methods to protect people's health. And new way can be carried out to prevent the pollution and control the population. In a word, we must not be afraid of the problems and not be anxious all the time. It's our duty to act actively to make the situation better to survive.