Question

12．In its first ever National Building Competition，the U．S．Environmental Protection Agency （EPA） challenged the teams from across the nation to cut wasteful energy use in buildings where they live and work．Family and commercial ladings together consume 40 percent of U．S．energy and the Obama Administration is eager to show how that load can be reduced．
In recent remarks at a university．President Barack Obama promoted a plan that could help commercial buildings achieve greater energy efficiency （效率）．
"Making our buildings more energy-efficient is one of the fastest，easiest and cheapest ways to save money，fight against pollution and create jobs right here in the United States of America，"he said．He also inspected the research labs where scientists are working on new technologies designed to cut energy waste in commercial buildings．
Stores like the Sears department store in Maryland，which took second prize in the contest，are already using some of those technologies．As part of the store's bid to cut its energy use，every one of the building's 24 rooftop AC （交流電） units was checked and repaired．Every light bulb-all 15，000 of them-was replaced with a more efficient one．And sensors were installed （安裝）to shut lights off in offices and storerooms when no one is around．Taken together these changes helped the Sears store reduce its building energy consumption by more than one-third and cut electric bills by $ 46，000．
Office buildings can also achieve impressive energy savings．The tenants of a 12-story building in Virginia managed to cut the building's energy consumption by 28 percent as part of the EPA competition．
"Whether it's an office building or a department store，a school or church，the EPA energy challenge showed that there's always room for improvement"，says Jennifer Amann with the American Council for an Energy Efficient Economy，
71．The purpose of the Competition is toA
A．help cut buildings'energy waste                        
B．fight against air pollution
C．create more job opportunities                           
D．experiment with a new idea
72．Which of the following is true according to the text？B
A．Forty percent of the U．S．energy is wasted．
B．Scientists are developing new technologies for energy efficiency．
C．Efficient bulbs are now being used in all American buildings．
D．Family buildings consume more energy than commercial ones．
73．The Sears department storeA
A．used new technologies to cut its energy waste
B．won the first prize in the Competition
C．cut its energy consumption by 28 percent
D．had 24 rooftop sensors installed on the building
74．The 12-story building in Virginia mentioned in the text should be a（nC
A．department store                                        
B．commercial building
C．office building                        
D．family building
75．From what Jennifer Amann says，we can infer thatC   
A．the awareness of energy efficiency has highly improved
B．energy savings will benefit the whole world
C．a(chǎn)ll buildings can be energy-efficient if changes are made
D．the government is responsible for energy waste．

Answer 1

分析 在首屆全國建筑競賽上，美國環(huán)保署要求來自全國各地的參賽小組最大幅度地降低人們工作和生活于其中的建筑的能源浪費．居住和商用建筑消耗能源占全美能耗總量的大約百分之40．建筑物消耗大量能源．這就是為什么奧巴馬總統(tǒng)2月初前往賓夕法尼亞大學(xué)，推動一個可能幫助商用建筑提高能效的計劃．

解答 71．A 根據(jù)第一段第一句In its first ever National Building Competition，the U．S．Environmental Protection Agency （EPA） challenged the teams from across the nation to cut wasteful energy use in buildings where they live and work．可知，此次競賽的目的是降低樓房的能源浪費，故答案為A
72．B 根據(jù)He also inspected the research labs where scientists are working on new technologies designed to cut energy waste in commercial buildings．可知科學(xué)家們正研制新的技術(shù)用來節(jié)能，其余選項不符合文意，故答案為B
73．A  根據(jù)Stores like the Sears department store in Maryland，which took second prize in the contest，are already using some of those technologies．可知the Sears department正在使用新的技術(shù)來節(jié)能，故答案為A
74．C 根據(jù)Office buildings can also achieve impressive energy savings．The tenants of a 12-story building in Virginia managed to cut the building's energy consumption by 28 percent as part of the EPA competition．可知The 12-story building in Virginia應(yīng)該屬于辦公樓，故答案為C
75．C 根據(jù)"Whether it's an office building or a department store，a school or church，the EPA energy challenge showed that there's always room for improvement"，says Jennifer Amann可知，不論是哪里的建筑，所有建筑物都應(yīng)該采取節(jié)能措施，故答案為C．

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