As of 2008, the U.S. became the world leader in wind power, surpassing Germany. A new study by Hillpoint Energy says that U.S. sales of wind turbines made by companies such as GE and Vestas will hit $11 billion in 2008, up 42% from last year. While massive turbines dominate the ...
A. He thinks that wind power will require more research before it becomes practical. B. He supports the use of wind power only as a secondary source of energy. C. He feels that most of the world"s energy problems will be solved by wind power. D. He believes that there are too many...
The Future of Wind Power Technology Wind power technology has been rapidly evolving in recent years and is set to play a significant role in the future of renewable energy generation. With the increasing demand for clean and sustainable energy sources, the development of wind power technology is ...
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We make quantitative estimates of the impact of roof reflectivity on cooling and heating energy use for buildings in the US. Prototypical buildings are sim... H,Akbari,and,... - 《Energy》 被引量: 198发表: 1999年 China's wind-power potential A quick glance at Chinas wind-energy statistic...
句子的意思：风力是一种历史悠久的能源，也许在不久的将来我们（人类）会再次依靠它。return是指“回归到某种状态”，wind就是风的意思。
Wind power is a new investment business around the globe as an alternative of traditional energy; China has also actively taken part in this worldwide trend. It is anticipated that by grasping the chance and speeding up the development, the future of wind energy in China is promising. 展开 ...
结合题干Wind power is an ancient source of energy ___ we may return in the near future,本题中的介词to是从动词return后面移至关系代词which前面。which指代前面的先行词an ancient source of energy(一种古老的能源),作为介词to的宾语。动词return与介词to连用,return to固定短语,恢复,继续做,故本题选D。
句意:风能是一种古老的能源,我们在不久的将来可能会重新使用它 。分 析句子可知,空格处引导定语从句,先行词为an ancient source of energy,指物,return to sth“重新做 (某事)”是动词短语,因此应用towhich引导定语从句,介词+关系代词引导的定语从句,指物,只能用which。 故填 to which。
因为从句里用return to 这个结构表示返回到风能，定语从句就有了连接词to