What is solar power? A. It is a type of energy that comes from coal. B. It is energy generated by solar panels from sunlight. C. It is energy produced by nuclear reactors. D. It is E. nergy F. rom burning oil. 相关知识点: ...
2.What are the two main problems solar power presents as an energy source? [Click on two answers.] A. It is a potentially dangerous source. B. It is difficult to concentrate. C. It is scientifically unsound. D. It needs to be stored. 你的答案: 正确答案:BD 题目解析: 登录 后才能查...
People plant a great number of young trees in the mountains.When the trees grow big and tall enough, they are cut down by workers and carried out of the mountains to the paper mill where fine paper is made from wood.Then it is taken to every corner of the country and used for differe...
These are just the types of problems a solar storm (太阳风暴) might cause. You may not think of storms as putting our society in danger. But today, a solar storm is as serious as other bad events, such as earthquakes.A solar storm is caused by solar flares (太阳耀斑) : large ...
Saving the Earth How to protect the environment becomes one of the biggest problems in the world. We can find the rubbish not only pollutes our environment but also harms people' s health. So we should not throw rubbish onto the ground. Some factories are pouring waste water into rivers, ...
四、 信息还原(5分)What will the future life be like?Cars will run on solar power (太阳能) or electricity and will be much cleaner. 1.For example, if you are too close to another car or if you are driving dangerously, your car will slow down by itself.Since there won't be any sp...
aspects. With the progress of science and technology, solar photovoltaic power generation is being widely used. China's solar energy resources are very rich, in addition to power generation, the use of solar energy has solar collector, solar greenhouse, solar drying, solar refrigeration and so ...
Solar power generators use batteries to store the electricity they generate for later use. But what happens to that power when the batteries are full? Does it go to waste? Here, we look at how solar power systems work and the critical role that their batteries play in storing power. Whethe...
【题目】What will power your hous e in th e futur e ? Nuclear,win d , or solar power ? According to scientists at the Massachusetts Institut e of T cchnology (MIT ) in the US, it might b e leaves - but artificial (人的) one8.Natural leares ar e abl e to chang e sunlight ...
What are the advantages of solar power generation Solar power generation is believed to be familiar to many people. With the deepening awareness of environmental protection and energy conservation, the application of solar power has become more and more extensive. As a new type of energy, the tec...