C. Turn off lights and electrical appliances when not in use. D. Drive alone in a car. 相关知识点: 试题来源: 解析 C。解析:“We can conserve energy by turning off lights and electrical appliances when they are not in use.”,所以不用的时候关掉灯和电器可以节约能源。
Electricity is important to us.It is hard to imagine what life would be like without electricity.Electricity can change into energy that we can see,hear,or feel.It brings us lightand heat.Electricity is quite widely used in our daily life.At home,we use it for the lights,TVs,...
We then systemized the storage requirement per variable renewable energy (VRE) share and generation technology. Our synthesis reveals that with increasing VRE shares, the EES power capacity increases linearly; and the energy capacity, exponentially. Further, by analyzing the outliers, the EES energy ...
In order to save energy, we should remember to turn off the electrical appliances when they are not in use. We should take a shower instead of a bath. We shouldn't open windows when the air conditioner is on. In a word, we should do our best to save energy. 反馈 收藏 ...
2.关于室内用电:Switch off electrical items that are not in regular use at the plug and ensure that when we are away from the house for any length of time that you unplug and switch off electrical items.3.关于卫生间用电:Do not use any electrical items in the bathroom unless specifically...
back down. In science, we say you have to doworkagainst the force of gravity to push the boulder up the hill. Doing work means you have to use energy: the muscles in your body have to convert sugar and fat to make the energy you need to push the boulder. Where does this energy ...
While there are several sources to generate electricity, hydro electricity is the most common.Clean and green energygenerated through solar energy and wind energy is the latest trend in generating own electricity forresidential use. FAQs: Electricity Generation ...
Electric generators are very useful for supplying the electrical energy we use everyday, from the lights in your classroom to televisions, computers, and even our cell phones. However, it's important to understand that generators do not create electrical energy. As Albert Einstein once stated, '...
"Transmission efficiency is the key," said Dai Shanglin, Deputy General Manager of the Second Substation Institute of SPSB. "We hope that intelligent terminals can use wireless communication, such as 5G, to communicate with power equipment, saving substation space and implementing intelligent connectiv...
We take a fresh look at the major nonrenewable and renewable energy sources and examine their long-term viability, scalability, and the sustainability of the resources that they use. We achieve this by asking what would happen if each energy source was a single supply of power for the world...