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  3. 　　Visit a hardware store in search of a can of white paint, and you’ll face a blizzard of choices. Benjamin Moore & Co. offers m

　　Visit a hardware store in search of a can of white paint, and you’ll face a blizzard of choices. Benjamin Moore & Co. offers m

admin2022-02-15  19
问题 　　Visit a hardware store in search of a can of white paint, and you’ll face a blizzard of choices. Benjamin Moore & Co. offers more than 300 shades, all bestsellers for more than a decade. PPG Industries Inc. , a favorite of commercial painters and decorators, sells 65 base whites alone, but it also has options such as Fuzzy Unicorn and Glacial Ice, if you need a tint with more niche appeal.
　　We are, quite simply, obsessed with white paint. It wasn’t always so. Until the 19th century, a richly colored wall was the epitome of style. "It was a status symbol," says Pedro da Costa Felgueiras of London’s Lacquer Studios, which specializes in recreating lost paints from the past. " It wasn’t cheap at all to create a bright, vibrant color in the 18th century. " Many think white began its march to dominance thanks to London-based interior designer Syrie Maugham who famously created a trendsetting all-white room in her house in the 1920s; walls, fabrics, even the flowers.
　　It was the 1980s, though, that turned white into the dominant interior shade. There was an explosion of almost-whites in the decade. As a result, picking the right white has become an agonizing challenge for most amateurs when repainting a home. Clare Inc. , founded in 2018 by former interior designer Nicole Gibbons, is a direct-to-consumer business that offers just three white options; warmer Whipped, cooler Snow Day, and fresh Kicks, the just-right middle ground. "Traditional companies reached a point where they kind of stopped innovating, and the only thing they could do to freshen up their story was launch new colors," she explains.
　　One scientist, though, is even more ruthless than Gibbons in his mission to cull the oversupply. In April, Purdue University mechanical engineering professor Xiulin Ruan announced that his team of six color creators had developed the whitest white paint in the world. Their secret?
　　Barium sulfate, the same chemical used in photo paper and cosmetics. Ruan and his team’s highly concentrated emulsion features particles of different sizes, so various wavelengths of sunlight are all reflected back simultaneously.
　　Most commercial white paint becomes warmer rather than cooler when baking in the sun, but the whitest white reflects 98. 1% of the sun’s energy and measures 8°F~ 18°F cooler at the same time. Deployed properly, it could act as a carbon-neutral way to lower temperatures. "Theoretical modeling shows that in Reno and Phoenix the paint may save up to 70% of air-conditioning costs in the summer," Ruan says. Ruan’s team is working with partners to develop a consumer version by 2023.
Which of the following is TRUE according to the last paragraph?
选项 A、Commercial white paint becomes warmer when exposed to the sun.
B、The surface temperature of the whitest paint ranges from 8F to 18F.
C、The whitest paint is composed of enormous carbon molecules.
D、The whitest paint product is still on trial.
答案D
解析 细节题。根据题干可定位至最后一段。由第一句的Most可知选项A的范围扩大，故排除；选项B中的The surface temperature为无中生有。故排除：文中并没有提到最白的油漆的组成成分，故排除选项C；由最后一句，“阮的团队正在与合作伙伴开发一个消费者版本的油漆产品”可知最白的油漆产品如今还在实验中，故选项D正确。
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