PROBLEM TO BE SOLVED: To eliminate weak points of mechanism against a change in wind direction and strong wind or the like at the time of occurrence of thunder and typhoon found in an existing wind power generation device in which it usually performs operation under a combination of a tall ...
根据For thousands of year s , people have used wind to sail boats and m ove water.可知几千年前,人们就已经使用风力。 故选:D. (3 ) D.细节理解题。 根据wind doesn't blow all the time , so we can't use wind power all the time.可知风不可能一直在吹,所以我们不能一直 使用风力。 故...
W e still do thos e things today, but thes e days w e mostly us e wind power to mak e ele ctricity.Wind power is a very popular sourc e of energ y. Most peopl e think that w e should us e it mo r e and more. First of all, it's clean. Windmill s don't pollut e...
Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www.springernature.com/us). Scientific American maintains a strict policy of editorial independence in reporting developments in science to our...
As metaverse functions get more developed by 2050, it will be able to offer a full virtual experience that includes shopping to travel right from the comfort of your own home, people will have the option to share their virtual experiences with the world.到2050年，随着元宇宙功能的发展，它将...
Wind Power Usage in the U.S. Wind Farms Government Incentives Parts of a Wind Turbine History of Wind Energy As early as 3000 B.C., people used wind energy for the first time in the form of sail boats in Egypt. Sails captured the energy in wind to pull a boat across the water...
【解析】 (1)A细节理解题.根据第二段For thou sands of years , people have used wind to sai l boa and move water.几千年来,人们一直用风 来航行和运送水。 可知人们使用风来驱动轮船,运 送水,故答案为A. (2)C 细节理解题。第三段的 First of all, it ds clean. Windmills donnt pollute the...
This is how wind power works. Wind makes windmills (风车) spin. When the windmills spin, they make electricity. Then we can use the electricity. A lot of people think that wind power is new, but that’s not true. For thousands of years, people have used wind to sail boats and move...
This is how wind power works. Wind makes windmills spin (旋转). When the windmills spin, they make electricity. Then we can use the electricity. A lot of people think that wind power is new, but that’s not true. For thousands of years, people have used wind to sail boats and move...
How Wind Power Works As early as 3000 B.C., people used wind energy. It's hard sometimes to imagine air as a fluid. It just seems so ... invisible. But air is a fluid like any other except that its particles are in gas form instead of liquid. And when air moves quickly, in ...