The lasting effects of these trade­offs are another matter. The 21st century development of the American West as an ideal place for alternative energy is going to throw off a lot of power and money in the region. There are chances for that power and money to do a lot of good. But it is just as likely that they will be spent wastefully and will leave new problems behind, just like the railroads and the highways.

　　The money set aside in negotiated

　　trade­offs and the institutions that control it will shape the West far beyond the immediate footprint of power plants and transmission lines. So let's remember the effects of the railroads and the highways as we construct these new power plants in the west.

　　1．What is the major concern in the development of alternative energy according to the last two paragraphs?

　　A．The transmission of power.

　　B.The use of money and power.

　　C．The conservation of solar energy.

　　D.The selection of an ideal place.

　　解析：主旨大意题。文章或段落的主题作者往往会反复论述。根据文章倒数第二段The 21st century development of the American West as an ideal place for alternative energy is going to throw off a lot of power and money in the region. There are chances for that power and money to do a lot of good.不难看出power and money是其主要关注的问题，因此B项正确。

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