求教一道OG13新题~~~124

chaos1026

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

这道题A为什么不对呢？如果有其他学校也free 那么去公立学校的学生就少了，这样老师需求也不会增加
求解答啊 各位大牛

xiangyu4255

结论明确说明是"Vargonia's government-funded schools "，其它学

校怎样irrelevant.

chaos1026

哦~~看懂了 原来是公立学校自身在没有recession和recession时候比较。谢谢啦

lavenderwu

我不明白的是C，如果现在老师学生的比例已经快达到上限了，就不需要那么多老师了，那getting  a teaching job 就会变难了啊；如果离上限还很远，那getting a teaching job 就会变的容易了啊。。。。我是这样想的，所以不明白C为什么不对哦？？？

francoisw

只要萧条,学生去不起私立学校只能来公立,那么公立的学生一定增多,公立的老师也要增多.

aaroncheng

不懂c选项
如果要求师生至少1:5，现在学生很少，师生只有1:2，那么就算学生人数增加了，还是不需要新老师，所以竞争依然激烈！

Lhitachii

这题选B是对的，因为如果去应聘老师的人增加很多，那相对来说也不

容易获得老师这个工作。A无关，因为题目已经说了，recession时候公立

学校学生人数会增多；C目前的师生比例不影响recession时候，到时候是

学生老师同步增加；D、E无关。

lavenderwu

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.

windyYe

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.

huangyu1648

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。