2020下半年大学英语四级练习题：选词填空
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Part IV Reading Comprehension (Reading inDepth) (25 minutes)
Section A
Directions: In this section, there is a passagewith ten blanks. You are required to select one wordfor each blank from a list of choices given in a wordbank following the passage. Read the passagethrough carefully before making your choices. Eachchoice in the bank is identified by a letter. Please mark the corresponding letter for each itemon Answer Sheet 2 with a single line through the centre. You may not use any of the words inthe bank more than once.
Questions 47 to 56 are based on the following passage.
When we think of green buildings, we tend to think of new ones – the kind of high-tech, solar-paneled masterpieces that make the covers of architecture magazines. But the U.S. hasmore than 100 million existing homes, and it would be __47__ wasteful to tear them all downand __48__ them with greener versions. An enormous amount of energy and resources wentinto the construction of those houses. And it would take an average of 65 years for the__49__ carbon emissions from a new energy-efficient home to make up for the resources lostby destroying an old one. So in the broadest __50__, the greenest home is the one that hasalready been built. But at the same time, nearly half of U. S. carbon emissions come fromheating, cooling and __51__ our homes, offices and other buildings. "You can't deal withclimate change without dealing with existing buildings," says Richard Moe, the president of theNational Trust.
With some __52__, the oldest homes tend to be the least energy-efficient. Houses builtbefore 1939 use about 50% more energy per square foot than those built after 2000, mainlydue to the tiny cracks and gaps that __53__ over time and let in more outside air.
Fortunately, there are a __54__ number of relatively simple changes that can green olderhomes, from __55__ ones like Lincoln's Cottage to your own postwar home. And efficiencyupgrades (升级) can save more than just the earth; they can help __56__ property ownersfrom rising power costs.
A) accommodations B) clumsy C) doubtful D) exceptions
E) expand F) historic G) incredibly H) powering
I) protect J) reduced K) replace L) sense
M) shifted N) supplying O) vast
参考答案：
47. G incredibly 48. K replace 49. J reduced 50. Lsense 51. H powering
52. D exceptions 53. E expand 54. O vast 55. Fhistoric 56. I protect
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