Between 1975 and 1985, nursing-homeoccupancy rates averaged 87 percent of capacity, while admission rates remainedconstant, at an average of 95 admissions per 1,000 beds per year. Between 1985and 1988, however, occupancy rates rose to an average of 92 percent ofcapacity, while admission rates declined to 81 per 1,000 beds per year.
If the statements above are true, which ofthe following conclusions can be most properly drawn?
(A) The averagelength of time nursing-home residents stayed in nursing homes increased between1985 and 1988.
(B) Theproportion of older people living in nursing homes was greater in 1988 than in1975.
(B) Theproportion of older people living in nursing homes was greater in 1988 than in1975.
B讲的是老年人。而住在NURSING HOMES的不一定都是老年人，还有残疾人。很难推出“老人变多了”这个结论。作者: angelsgx 时间: 2011-3-27 09:13
(A) The averagelength of time nursing-home residents stayed in nursing homes increased between1985 and 1988.
理想的状况下，Admission rate（我翻译为：允许入住率）和实际居住率应该是相等的。
前一个阶段，Admission rate（我翻译为：允许入住率）比实际居住率高，可能的原因是：某些人被允许入住而没有入住；或者入住后不久就走了。
后一个阶段，Admission rate（我翻译为：允许入住率）比实际居住率还低，那么可能的原因是，在这个阶段以前被允许入住的人住在里面没走。那么A正确。
(B) Theproportion of older people living in nursing homes was greater in 1988 than in1975.
老人多寡？与入住率无关，排除。
(C) Nursing home admission rates tend to decline whenever occupancy rates rise.
C选项是对现象的总结，可以作为结论，但这个词whenever是“绝对化倾向”，原文没有这样的信息，不能强加。
(D) Nursinghomes built prior to 1985 generally had fewer beds than did nursing homes builtbetween 1985 and 1988.（A）
床铺多少？与“率”无关。
(E) The more beds a nursing home has, the higher its occupancy rate is likely to be.
床铺多少？与“率”无关。作者: gmat740740 时间: 2011-3-28 06:59
感激各位，题目理解出现了偏差吖！
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