124. Vargonia has just introduced a legal requirement that student-teacher ratios in government-funded schools not
exceed a certain limit. All Vargonian children are entitled to education, free of charge, in these schools. When a
recession occurs and average incomes fall, the numberof children enrolled in government-funded schools tends
to increase. Therefore, though most employment opportunities contract in economic recessions, getting a
teaching job in Vargonia's government-funded schools will not be made more difficult by a recession.
Which of the following would be most important to determine in order to evaluate the argument?
(A) Whether in Vargonia there are any schools not funded by the government that offer children an education
free of charge
(B) Whether the number of qualified applicants for teaching positions in government-funded schools increases
significantly during economic recessions
(C) What the current student-teacher ratio in Vargonia's government-funded schools is
(D) What proportion of Vargonia's workers currently hold jobs as teachers in government-funded schools
(E) Whether in the past a number of government-funded schools in Vargonia have had student-teacher ratios
well in excess of the new limit
student-teacher ratio measures the number of students per teacher, the higher the ratio, the more students given a fixed number of teachers. during recessions, a higher enrollment increases the ratio. the new law sets an upper limit, meaning that there MUST be more teachers when the number of students increase.作者: windyYe 时间: 2013-4-12 06:26
1, government-funded schools are free of charge and therefore, are faced with a growing enrollment during a recession due to a drop of average incomes. (explicit)
2, government-funded schools are required to hire more teachers in accordance with the new law that sets an upper limit on the s-t ratio. (implicit)
3, conclusion: recessions do not make teaching jobs in government-funded schools harder to get (given that most employment opportunities contract.)
A: not significan, government-funded schools WILL always have an influx of new students as long as schools that are not free during recession exist.
B: correct since teaching jobs may be the center of fierce competition during recessions which directly contradicts the conclusion.
C: of no value, no matter what the present ratio is, the reasoning is not affected by the current ratio. if the ratio is far below the required limit, meaning that there are much more teachers than students, we can not predict whether a recession will bring in so many students that the ratio may even exceed the limit, which stimulates schools to hire more teachers.
D: the proportion does not provide any information to determine whether getting teaching jobs will be harder in times of recessions.
E: like C, the past or current ratio does not affect the argument which focus on the future recession.作者: huangyu1648 时间: 2013-4-12 19:58
A.引入了新的概念“schools not funded by the government ”，将其与“government-funded school ”比较，那么这个概念算是无关概念了。
B.也引入了新的概念“the number of qualified applicants for teaching positions ” ，但是这个新概念是去辅助解释的，比较主体还是“government-funded school ”，所以不算无关概念。
这里关于A、B的“新概念”理解是我自己总结出来的——如果新概念作为比较主体，和argument里面的主体进行比价，那么这个新概念就是无关概念（OG13 42 boat新概念是无关概念，因为作为了比较主体）；如果新概念是作为辅助解释的，那么这儿新概念就不算无关概念（OG13 72 electricity and fuel新概念不算无关概念，因为属于辅助解释）。这点欢迎各位一起讨论总结哦~~~
C、D. 都出现了current（currently），但是argument是建立在R的情况下讨论的情况，现在是不是R，我们不知道，所以无法共同比较。这就好比分母不一样，你怎么好直接比较分数大小？
E. in the past的信息无关，没有意义。新出台的政策我们总要去执行，这是在未来的遵循，至于过去怎么样，已经不重要了。
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