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黑龙江6+1开奖号码 www.h9fva.cn How to Solve the Energy Problem
Energy is one of the biggest problems people are faced with today. If we keep consuming them at the present rate, a serious energy crisis is sure to threaten mankind's survival in the future, since natural resources are limited.
Many people have expressed their demands for more severe conservation of our natural resources. This is urgently necessary, indeed. It must be realized that much of our energy, in the form of oil, coal, or gas, has been wasted. If things go on like this, we will leave our descendants a devastated world, a vast stretch of waste land. So, from now on, we will have to make serious efforts to develop energy-saving economy so as to slow down the present drain on our limited resources.
But conservation alone is not all the answer. The best way to solve the energy problem is, I think, to develop new sources of energy. It is obvious that, even if we save much energy by using it carefully, our natural resources, however abundant, will run out ultimately, for resources can not reproduce themselves. Therefore, to find new supplies in unexplored areas seems to be the only way out.