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  3. 共用题干 Priscilla Ouchida's "energy-efficient" house turned out to be a horr...

共用题干 Priscilla Ouchida's "energy-efficient" house turned out to be a horr...

admin2020-12-24  121
问题 共用题干
Priscilla Ouchida'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 Cali-fornia._________(46)
Problems began as soon as the couple moved in,however. Priscilla's eyes burned._________ (47)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（甲醛）gas in her kitchen was twice the maximum allowed by federal standards for chemical workers.The source of the gas?__________(48)
The Ouchidas 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,"__________(49)"Energy conservation has tended to accentuate the situation in some cases."
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. __________(50)As a result,the pollutants generated in most households seldom build up to dangerous levels.
选项 _________（48）
A:Her new kitchen cabinets and wall-to-wall carpeting.
B:Because of such leaks,the air in an average home was replaced by fresh outdoor air about once an hour.
C:The level of formaldehyde gas should be controlled.
D:Her throat was constantly dry.
E:says Moschandreas,a pollution scientist at Geomet Technologies in Maryland.
F: Tightly sealed to prevent air leaks,the house was equipped with small double-paned（双层玻璃的）windows and several other energy-saving features.
答案A
解析前一句说，他们建造了一座造价十万美元的有三间卧室的房子。选项F “这套住宅严实密封以防空气外泄，还在小窗户上安装了双层玻璃······”是对这套住宅进一步的描述。
这一段主要讲入住后普丽西拉的反应。"Her throat was constantly dry." 是她的症状之一。
此处的前一句是一个问句，甲醛是从什么地方来的？"Her new kitchen cabinets and wall-to-wall carpeting.”是对该问题的回答，即甲醛的来源。
该句的前后都是直接引语，因此选E.says Moschandreas, a pollution scienfist at Geomet Technologies in Maryland。
根据前一句“Back in the days when energy was cheap, home builders didn't worry much about unsealed cracks.（在能源很便宜时，建房者不太担心未密封的缝隙。）”判断，选项B最符合逻辑。
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