The article presents insights on the use of wind energy to answer energy issues in the U.S. The author cites the plan of the U.S. to boost electricity sourcing from wind energy, wherein he criticizes...
A. It is expensive to produce. B. It produces greenhouse gases. C. It is a renewable resource. D. It is only available in certain locations. 相关知识点: 试题来源: 解析 C。中文解析:风能的优点之一是它是一种可再生资源,意味着它永远不会耗尽。A 选项说风能生产昂贵,与原文不符;B 选项说风能...
New EnergyAdvantages(优点)Disadvantages(缺点) Wind energy It is 1.___.There is a lot. It needs 2.___. Water energy Make electricity without 3.___. It is expensive. Geothermal energy It is 4.___. Only possible in a few places. Solar energy It is clean and plentiful. It only work...
First of all, let us define what offshore wind energy is: it is a source of clean and renewable energy obtained by harnessing the power of the wind offshore, where it reaches a higher and more constant speed due to the lack of barriers. Its high potential and strategic added value, bot...
working ‘sand battery’, which can store power for months at a time. Using low-grade sand, the device is charged up with heat made from cheap electricity from solar or wind. The sand stores the heat at around 500°C, which can then warm homes in winter when energy is more expensive....
energies Article How Expensive Is Expensive Enough? Opportunities for Cost Reductions in Offshore Wind Energy Logistics Thomas Poulsen 1,* and Charlotte Bay Hasager 2 1 Department of Mechanical and Manufacturing Engineering, Aalborg University, A. C. Meyers Vænge 15, DK-2450 Copenhagen SV, ...
When water moves from a high place to a lower place, it can make electricity(电)without pollution. However, people have to build dams(水坝) to use this energy, and building dams is very expensive.Energy from the earth There is heat in the rocks under the earth. Scientists use the heat...
C. Energy from the earth and energy from the sun. D. Energy from the wind and energy from the sun.()20. These kinds of energy have something in common-they're A. expensive B. clean C. easy to get D. cheap()21. According to the passage, we can know all these kinds of energy ...
Wind EnergyClean.There is a lot.It needs (57)wind. Water Energy(58)No pollutionIt is expensive. Geothermal Energy(59)Cheaponly possible in a few places. Solar EnergyClean and plentiful.It depends too much on (60)weather. 试题答案
【1】根据原文Wind is a kind of clean energy可知,风是一种清洁能源,故空格处应填入意为“清洁的”形容词clean,且位于句首首字母应大写。故答案为Clean。 【2】根据原文… and building dams is very expensive可知,修建水坝成本很昂贵,故空格处应填入意为“昂贵的”形容词expensive。故答案为expensive。 【3...