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四级单项选择阅读理解附讲解:文章出处题(2)

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Passage 2

Priscilla Quchida's “energy-efficient” house turned out to be a horrible dream. When she and her engineer husband married a few years ago, they built a $ 100,000, three-bedroom home in California. Tightly sealed to prevent air leaks,the house was equipped with small double-parted (双层玻璃的) windows and several other energy-saving features. Problems began as soon as the couple moved in, however,Priscilla’s eyes burned. Her throat was constantly dry. She suffered from headaches and could hardly sleep. It was as though she had suddenly developed a strange illness.

Experts finally traced the cause of her illness. The level of formaldehyde (甲醒)gas in her kitchen was twice the maximum allowed by federal standards for chemical workers. The source of the gas? Her new kitchen cabinets and wall-to-wall carpeting.

The Quchidas are victims of indoor air pollution, which is not given sufficient attention partly because of the nation’s drive to save energy. The problem itself isn't new. ”The indoor environment was dirty long before energy conservation came along,” says Moschandreas,a pollution scientist at Geoment Technologies in Maryland,“energy conservation has tended to accentuate the situation in some cases.99

The problem appears to be more troublesome in newly constructed homes rather than old ones. Back in the days when energy was cheap,home builders didn’t worry much about unsealed cracks. Because of such leaks,the air in an average home was replaced by fresh outdoor air about once an hour. As a result, the pollutants generated in most households seldom built up to dangerous levels.

This passage is most probably take from an article entitled “ ”.

A. Energy Conservation

B. House Building Crisis

C. Air Pollution Indoors

D. Traps in Building Construction
重点单词   查看全部解释    
constructed

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vt. 构造,建造;创立,构筑;搭建(construct

 
constantly ['kɔnstəntli]

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adv. 不断地,经常地

 
conservation [.kɔnsə:'veiʃən]

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n. 保存,防止流失,守恒,保护自然资源

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pollution [pə'lu:ʃən]

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n. 污染,污染物

 
source [sɔ:s]

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n. 发源地,来源,原始资料

 
construction [kən'strʌkʃən]

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n. 建设,建造,结构,构造,建筑物

联想记忆
environment [in'vaiərənmənt]

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n. 环境,外界

 
accentuate [æk'sentʃueit]

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v. 以重音念,强调,重读

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entitled [in'taitld]

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adj. 有资格的,已被命名的 动词entitle的过去

 
sufficient [sə'fiʃənt]

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adj. 足够的,充分的

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关键字: 四级 阅读 精讲 讲解

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