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  3. In the 1960s, many people in North America turned their attention to environmental problems, and new steel-and-glass skyscrapers

In the 1960s, many people in North America turned their attention to environmental problems, and new steel-and-glass skyscrapers

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问题 In the 1960s, many people in North America turned their attention to environmental problems, and new steel-and-glass skyscrapers were widely criticized. Ecologists【S1】out that a cluster of tail buildings in a city often【S2】public transportation and parking lot capacities.
Skyscrapers are also【S3】consumers, and wasters, of electric power. In one recent year, the addition of 17 million square feet of skyscraper office space in New York City【S4】the peak dally demand for electricity by 120,000 kilowatts—enough to supply the entire city of Albany, New York, for a day.
Glass-walled skyscrapers can be【S5】wasteful. The heat loss(or gain)through a wall【S6】half-inch plate glass is more than ten times that through a typical masonry wall【S7】with insulation board. To【S8】the strain on heating and air-conditioning equipment, builders of skyscrapers have begun to【S9】double-glazed panels of glass, and reflective glasses coated with silver or gold mirror films that【S10】glare as well as heat gain. However, mirror-walled skyscrapers raise the temperature of the surrounding air and affect neighboring buildings.
A)pointed                            I)abandon
B)overburdened                       J)lessened
C)of                                 K)lessen
D)filled                             L)use
E)improves                           M)reduce
F)mildly                             N)especially
G)lavish                             O)economical
H)raised
选项
答案A
解析 根据上下文的意思和本句语法结构提示应选择动词，同时point out也是固定搭配。
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