广东省揭阳一中、潮州金山中学2014届高三上学期期中英语试卷
I 语言知识及应用（共两节，满分45分）
第一节 完形填空（共15小题；每小题2分，满分30分）
阅读下面短文，掌握其大意，然后从1~15各题所给的A、B、C和D项中，选出最佳选项，并在答题卡上将该项涂黑。
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 1 to tear them all down and 2 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 3 carbon emissions (排放) from a(an) __4 _ energy-efficient (节能) home to make up for the 5 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, 6 half of US carbon emissions come from heating, cooling and powering our 7 , offices and other buildings．"You can't deal with climate 8 without dealing with existing buildings," says Richard Moe, the president of the National Trust．
With some exceptions, the oldest homes tend to be the 9 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 10 over time and let in more outside 11 .
12 ,there are a vast number of relatively simple changes that can green older homes, from 13 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 14 property owners from rising power 15 .
1． A．terrible B．wasteful C．wonderful D．useful
2． A．put B．build C．replace D．take
3． A．reduced B．increased C．used D．destroyed
