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1、有人说过：“毁灭人类的不是山崩、海啸、台风、地震而是人类自己。”你对这句话是怎样理解的？,POPULATION PROBLEMS 难以忽视的真相,The population problem may be the greatest challenge of the present time. In other words， People are being born faster than they are dying, or they are dying at a slower rate than they are being born. The average life span has
2、doubled in the last 50 years. That people live much longer results in the serious population problem. People around the world are becoming more concerned about the population explosion. It is hoped that there can be some control over the number of people that are born, but population control is a su
3、bject which touches the moral & religious beliefs of many people. Even if many families have fewer children, there will still be problems of food, water & power supply.,有人说过：“毁灭人类的不是山崩、海啸、台风、地震而是人类自己。”你对这句话是怎样理解的？,让我们携手共创一个清洁的家,可见，污染已经引起了很大的损害，保护环境已经成了不容置疑的问题。地球是我们的家园，让我们共同爱护地球，爱护我们的家，保护环境，营造一个绿色的世界,重视,谢谢！,
