百利天下2015-01-07最新更新GMAT写作机经
Q12.在Palm Grove买地
>>> 本月原始
在一个地方的commercial real estate price 比另一个地方(Palm Gory好像是)增长的快很多。PG的这几年基本没变。 所以前一个地方的retail spaces prices 一定贵好多， 所以前一个地方的spaces price是被高估的。 基于financial interest， 我们应该买PG的retail space。
>>> 考古
The following appeared in a letter from apart-owner of a small retail clothing chain to her business partner:
“Commercial real estate prices have been rising steadily in the Sandida Heights neighborhood for several years, while the prices in the adjacent neighborhood of Palm Grove have remained the same. It seems obvious, then, that a retail space in Sandida Heights must now be much more expensive than a similar space in Palm Grove, which was not the case several years ago. So, it appears that retail spaces in Sandida Heights are now overpriced relative to those in Palm Grove. Therefore, it would be in our financial interest to purchase a retail space in Palm Grove rather than in Sandida Heights.
>>> 参考思路
1. 错误类比：S和P难以类比，地区之间必然存在差异，因为要考虑经济、人口、交通等问题，不能单凭地价上涨与否判断哪个地方的地价高，哪个地方更值得投资。
2. 因果关系-忽略他因：To increase financial interest不一定是因为低价买到了一块地，还要考虑产品销量、交通便利、地区客流量等因素。
3. 因果关系-错误因果：The claim that retail spaces in Sandide Heights are now overpriced does not necessarily proves that purchasing a retail space in Palm Grove can bring about financial interest. S的门店价格高不能说明在P投资就能赚钱。S的地价高，就一定没有financial benifits吗?因为S的地价在上涨，这个反倒说明在S买地能带来利益。为了更好地评价financial interest，我们还应该了解S地门店价格的趋势，并比较两地的商业利益。
4. 无根据假设：The real estate price in Sadida Heights have risen while then prices in Palm Grove have remained unchanged is not sufficient to reach the conclusion that a retail space in Sandida Heights is not much more expensive than a similar in Plam Grove. 事实可能是S的原地价就比较低，而P的地价比较高，所以虽然S的地价一直涨，但是还是比P的便宜。
5. 脑洞大开假设(谨慎参考)：因为价格低，所以在P买地，也许不是个好主意，其他竞争对手也会有同样的想法，最后导致P的竞争压力大。
Q13.学校减少开课
>>> 本月原始原题
The following appeared in an editorial from a newspaper serving the town of Saluda.
“The Saluda Consolidated High School offers over 200 different courses from which its students can choose. A much smaller private school down the street offers a basic curriculum of only 80 different courses, but it consistently sends a higher proportion of its graduating seniors on to college than Consolidated does. By eliminating at least half of the courses offered there and focusing on a basic curriculum, we could improve student performance at Consolidated and also save many tax dollars.”
>>> 参考思路
1. 错误类比：学校不同不能一概而论，也许本来私立学校人少，比例自然更高，或者说私立学校经过筛选，本来就只收top students.
2. 因果关系：私立学校更好不一定因为开课少，也许是老师有更多工资，老师更负责任等其他原因。
3. 无根据假设：减少课程，注重基础课程就能改善学生表现。课程减少可能导致学生的学习积极性降低，特殊才能无法施展，实践能力得不到培养等负面效果。
4. 不能根据上大学的人数来判断一个学校好坏，也许S学校更注重技能的培养，许多学生毕业后选择start their own career rather than go to college
>>> 参考范文
In this editorial the author recommends that Saluda’s Consolidated High School eliminate half of its 200 courses and focus primarily on basic curriculum in order to improve student performance and save tax revenues. The author’s recommendation is problematic for several reasons.
To begin with, the author assumes that the only relevant difference between Consolidated and the private school is the number of courses offered by each. However, other relevant differences between the schools might account for the difference in the proportion of their graduates who go on to college. For example, the private school’s students might be selected from a pool of gifted or exceptional students, or might have to meet rigorous admission standards whereas Consolidated’s students might be drawn from the community at large with little or no qualification for admission.
Next, the author assumes that the proportion of students who go on to college is an overall measure of student performance. While this is a tempting assumption, its truth is by no means obvious. If student excellence is narrowly defined in terms of the student’s ability to gain access to college, this assumption is somewhat reasonable. However, given a broader conception of student excellence that takes into account student’s ability to learn and apply their knowledge to new situations, it is not obvious that college admission is reliable indicator of performance. For example, students in non-academic disciplines could conceivably perform at high levels within these disciplines but nevertheless be unable to meet college admission standards.
Finally, the author assumes that savings in tax revenues will result from the reduced costs of funding the paired-down curriculum. This is not necessarily true. For example, it could turn out that both programs serve the same number of students and require the same number of classrooms and teacher.
In conclusion, the author has not made a convincing case for the recommendation to eliminate courses at Consolidated and focus on a basic curriculum. To strengthen the conclusion the author would have to provide evidence that Consolidated and the private school were sufficiently similar to warrant the analogy between them. Moreover, the relationship between student performance and college admission and the mechanism whereby savings in tax revenues would be accomplished would have to be clarified.
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