To produce electricity on a large scale, a commercial wind farm will have to use bigger turbines than Hywind does, but it’s difficult enough to balance such a large turbine so high on a floating spar in the middle of the ocean. To make that turbine heavier, the whole spar抯 rcenter of gravity must be moved much closer to the ocean’s surface. To do that, the company plans to design a new kind of wind turbine, one whose gearbox (变速箱) sits at sea level rather than behind the blades.
Hywind is a test run, but the benefits for perfecting floating wind-farm technology could be extremely large. Out at sea, the wind is often stronger and steadier than close to shore, where all existing offshore windmills are planted. Deep-sea farms are invisible from land, which helps overcome the windmill-as-eyesore objection. If the technology catches on, it will open up vast areas of the planet’s surface to one of the best low-carbon power sources available.
1. The Hywind project uses totally new technology to ensure the stability of
.
A. the cables which tie the spar to the ocean floor
B. the spar which is floating in deep-sea water
C. the blades driven by strong and steady sea wind
D. the stones filled in the spar below the sea surface
2. To balance a bigger turbine high on a floating spar, a new type of turbine is to be designed
【2016届湖南长沙市高考英语二轮阅读理解训练(45)(含答案)】相关文章:
★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (6)
★ 【优化方案】2017届高考英语二轮复习全国卷Ⅱ规范练:2(含解析)
★ 辽宁省辽阳市2014高考英语单项选择一轮(暑假)训练(13)附答案
★ 安徽省淮南市2014高考英语一轮单项选择及文章训练(17)及答案
★ 【三维设计】2017届高考英语(江苏专用)二轮复习阅读理解解题技法示范课件:10
★ 贵州省贵阳市2014高考英语(新人教版)一轮阅读训练(20)附答案
★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (21)
★ 辽宁省辽阳市2014高考英语单项选择一轮(暑假)训练(14)附答案
★ 浙江省湖州市2014高考英语完形填空一轮(暑假)精炼(6)含答案
最新
2017-04-24
2017-04-24
2017-04-24
2017-04-24
2017-04-21
2017-04-21