问题
多项选择题
年度投资规模与在建投资总规模的区别有( )。
A．两者统计口径不同
B．两者反映的投资供求关系不同
C．两者的决定因素不同
D．两者评价标准不同
E．两者在一段时间内费用不同
答案
参考答案：A,B,C,E
解析： P 32年度投资规模和在建投资总规模的关系。
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年度投资规模与在建投资总规模的区别有( )。
A．两者统计口径不同
B．两者反映的投资供求关系不同
C．两者的决定因素不同
D．两者评价标准不同
E．两者在一段时间内费用不同
参考答案：A,B,C,E
解析： P 32年度投资规模和在建投资总规模的关系。
When we think of green buildings, we tend to think of new ones-the kind of modern, solar-paneled masterpieces that make the covers of architecture magazines．But the US has more than 100 million existing homes, and it would be incredibly to tear them all down and them with greener versions． An enormous amount of energy and resources went into the construction of those houses．And it would take an average of 65 years for the carbon emissions (排放) from a(an) __ _ energy-efficient (节能) home to make up for the lost by destroying an old one． So in the broadest sense, the greenest home is the one that has already been built．But at the same time, half of US carbon emissions come from heating, cooling and powering our , offices and other buildings．"You can't deal with climate without dealing with existing buildings," says Richard Moe, the president of the National Trust． With some exceptions, the oldest homes tend to be the energy-efficient．Houses built before 1939 use about 50% more energy per square foot than those built after 2000, mainly due to the tiny cracks and gaps that over time and let in more outside . ,there are a vast number of relatively simple changes that can green older homes, from ones like Lincoln's Cottage to your own postwar home．And efficiency upgrades (升级) can save more than just the earth; they can help property owners from rising power .
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