optimal energy作文
Energy shortage is a very rious problem in the world. Many 市盈率怎么算
people worry that energy resources on the earth will be exhausted if we u them in an unchecked way. 临床用血审核制度
This, most people agree, will cau rious problems and even crisis and jeopardize the survival of mankind .
On the one hand, most people ag简历自我描述
ree that the problem can be solved in one way or another. One is to conrve and save our energy. Energy refers not only to coal, oil, or natural gas but also to goods, land and water, etc. Most countries have realized the wastefulness in their using of energy. They are trying to conrve energy. For example, some countries have a daylight saving system to u less electricity for lighting. Some cities have enforced water savers at public such as restrooms and bars. Some have enforced rious penalties on overu of electricity, water, and farming land. By the means, people hope the drain on energy resources could be slowed down.
However, conrvation alone cannot solve the problem. Another way, perhaps the best I thi
nk, is to develop new energy resources. Obviously, no matter how hard we try to save energy resources and how abundant they are, we will u them up sooner or later. I think there are many energy resources that we can develop and utilize. We don’t have to depend only on the current conventional energy resources. There are many other energy resources that we can develop such as nuclear power, waterpower and solar power. The resources, if developed, can completely replace the conventional energy and thus solve the problem of energy shortage.