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[创]一道逻辑题的思维过程~

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楼主
发表于 2004-4-4 00:23:00 | 只看该作者

[创]一道逻辑题的思维过程~

http://forum.chasedream.com/dispbbs.asp?boardID=24&ID=36094&page=1

本来这贴子发在某个贴子里,现拿出来以供各位NNers指点我的思维问题。

这题相当典型,我花了两分钟,不过最好做对了。
我的过程如下:

To avoid a hostile takeover attempt, the board of directors of Wellco, Inc., a provider of life and health insurance, planned to take out large loans and use them to purchase
        a publishing company, a chocolate factory, and a nationwide chain of movie theaters. The directors anticipated that these purchase initially would plunge the corporation deep into debt, rendering it unattractive to those who wanted to take it over, but that steadily rising insurance rates would allow the company to pay off the debt within five years. Meanwhile, revenues from the three new businesses would enable the corporation as a whole to continue to meet its increased operating expenses. Ultimately, according o the directors’ plan, the diversification would strengthen the corporation by varying the sources and schedules of its annual revenues.
Which of the following, assuming that all are equally possible, would most enhance the chances of the plan’s success?
(A) A widespread drought decreases the availability of cacao beans, from which chocolate is manufacture, diving up chocolate prices worldwide.
(B) New government regulations require a 30 percent across-the-board rate rollback of all insurance companies, to begin immediately and to be completed within a five-year period.
(C) Congress enacts a statute, effective after six months, making it illegal for any parent not to carry health insurance coverage for his or her child.
(D) Large-screen televisions drop dramatically in price due to surprise alterations in trade barriers with Japan; movie theater attendance dwindles as a consequence.
(E) A new, inexpensive process is discovered for making paper pulp, and paper prices fall to 60 percent of their former level.

首先花3-5秒读问题:Which of the following, assuming that all are equally possible, would most enhance the chances of the plan’s success?
将此问题简化为:Which of the following would most enhance the chances of the plan’s success?   (中间插入语不用看了, assuming that all are equally possible, )抓住两个要素:1、plan说明是一个措施达目的,2、enhance支持.
然后花80秒读题:过程如下:
第一句5-8秒:To avoid a hostile takeover attempt, the board of directors of Wellco, Inc., a provider of life and health insurance, planned to take out large loans and use them to purchase a publishing company, a chocolate factory, and a nationwide chain of movie theaters.
首先发现:“To avoid”,则说明是目的,点到为止,迅速向后看:the board of directors这是主语;“of Wellco, Inc., a provider of life and health insurance,”这里面迅速扫过,只发现一个有用的词:insurance. 再看谓语“planed to take out large loans ”知道了措施已经来了。也即首先提出措施了。再往后看,找找这个措施具体是什么?“take out large loans and use them to purchase a publishing company, a chocolate factory, and a nationwide chain of movie theaters.” 这里的有用信息只有:“loans”“purchase”“publishing company, a chocolate factory, and a nationwide chain of movie theaters.”。
OK,第一句,点出了措施,这么一个东东,看完了印在脑子里,不用仔细去考虑它的detail,只需要有一个大概印象即可。这一句也不难,看起来轻易懂,会让你有信心,促使你往下看。
知道措施和目的结构的人,就会知道,下面应该会介绍,这个措施将如何才能达到这个目的。这也是题目问的重点。所以,从第二句开始每句话都要仔细看。
第二句10-15秒:The directors anticipated that these purchase initially would plunge the corporation deep into debt, rendering it unattractive to those who wanted to take it over, but that steadily rising insurance rates would allow the company to pay off the debt within five years.
“The directors anticipated that"是说他们估计。后面内容最重要最核心。。注意!(核心的内容,我一般就把它视为美女一般,瞳孔放大)
“these purchase initially would plunge the corporation deep into debt, rendering it unattractive to those who wanted to take it over”
这种收购会使产生巨大的负债,进而使得公司对恶意接管者没有兴趣。
“but that steadily rising insurance rates would allow the company to pay off the debt within five years.”
发现一个but,知道是转折(转折并不是指对上面问题的断然否定,有时转折只转折其中一个层次,一个方面),转折后的内容比转折前要更重要,往后看,发现一个would,知道这是个虚拟语气,是anticipate引出来的。看完知道了这是一个判断句,不必细究。有个大概印象即可。
第三句10-15秒:Meanwhile, revenues from the three new businesses would enable the corporation as a whole to continue to meet its increased operating expenses.
发现一个Meanwhile,则说明:这是一个递进承上的一个句子,还是承接上面来的,其作用和层次和紧跟前面的这个句子是一样的,知道作者态度无转折。所以,可以稍稍快速,注意细节内容。往后发现:revenues would meet operating expenses.
第四句10秒:Ultimately, according to the directors’ plan, the diversification would strengthen the corporation by varying the sources and schedules of its annual revenues.
发现一个Ultimately这个承接词,知道还是在承接前面的内容,态度依然未变,往后看:diversification would strengthen ... by varying the sources and schedules of its annual revenues.以前的经验告诉我,by doing的内容,比前面的内容更重要,后面是前面的途径,是前面动词“strengthen”的先决条件,所以,更加注意后面的内容“varying the sources and schedules of its annual revenues”。
看完四句之后,我已经有个大概的画面,但非常模糊,而且几乎已经忘了前面说什么了。忘了细节东西了,所以,花了2-3秒想了想上文四句话的结构,这个回想时间,决不可以太长,长了会忘记更多。结构是:首句措施和目的,下面三句是how,心中默念如何来支持这些措施达目的,也即说明以上后三句的how如何可能,看选项吧。
A)10秒;A widespread drought decreases the availability of cacao beans, from which chocolate is manufacture, diving up chocolate prices worldwide.
看完知道是一个干旱导致cacao beans下降,用这个东西来制造chocolate;后面的diving up,我不太清楚是升高还是降低;但我猜测,原材料下降了,对于原题中的假设毕竟不是好事儿;不敢全然否定它,80%确定这不是答案。
(B)5秒 New government regulations require a 30 percent across-the-board rate rollback of all insurance companies, to begin immediately and to be completed within a five-year period.
这一句看下来,不太明白,其中的一个单词:across-the-board rate rollback,只知道有项法规,立即执行,五年内完成,所以,略过它,不考虑。
(C)10秒 Congress enacts a statute, effective after six months, making it illegal for any parent not to carry health insurance coverage for his or her child.
没有生词,太棒了。“国会立法,六月后生效,(双否)不给孩子保险则是违法的”,意思是必须要给孩子保险,好像是一个答案。国会在帮保险公司,提供有力的后盾。80%有可能是它。。。先在脑子中打一记号。
(D)5秒 Large-screen televisions drop dramatically in price due to surprise alterations in trade barriers with Japan; movie theater attendance dwindles as a consequence.
发现是一个movie下降了,而记得原题曾说,指望这些公司给公司提供收入,所以错!100%排除。
(E)5秒 A new, inexpensive process is discovered for making paper pulp, and paper prices fall to 60 percent of their former level.
纸价下跌,这会影响印刷公司的利润,所以错!100%排除。
看完之后,ABC三项答案,不敢100%确定,所以,再细看。先看A,回文定位,用5秒排除了A。只余下B和C了。B答案始终不得其解,不管它了,看C,花5秒看一下文章,发现了第二句but之后的东东,“steadily rising insurance rates would allow the company to pay off the debt within five years.”这句话+C答案,必须导致结果。所以就选C。

时间分配:问题,3-5秒;原文,50秒;选肢,30秒;比较可疑答案,30秒。

做这道题要求有以下的能力:
1)知道是措施达目的结构的句子的攻击点会是在哪里。
2)知道承接连词的作用,并依此来指导自己看文。
3)知道插入语,可以切掉,快速阅读。
4)熟悉英语长句子的表达习惯;再长的句子其实其中有很多无用的虚义词,要找到实义词。
5)基本语法:虚拟语气would;  ,rendering分词作为伴随前面整个句子的结果;双重否定句;
6)保持大脑活跃,容量大,迅速看懂句子本身,并跳出来看其与整体的关系。后面这一点最难最难。
7)看完选项,并能容忍可疑答案,并记住可疑答案的选项,不至于每个选项再重看一次。
8)学习生词能力:“takeover”这个单词先不知道确切含义,可是在读完几句后就会发现其含义是“接管”“被收购”等。

以上其实只是全部思考过程中的一部分,大脑每秒种的思维写下来会是一个100-200字的句子,有时甚至大脑的思维过程写不出来,只可意会。
所以GMAT考试很难。
短时间内要输入大脑这么多信息,而且还要精细加工,不断怀疑,不断自我否定,保持高度警惕。而输出却只有一个动作,选谁。
而且一题做完了,紧接是下一题,根据CAT的原则,无论你是高手还是低手,每题都将是略高于你的水平。所以,每题都是一个挑战。
所以,要求要有持久的集中注意力的大脑思维习惯。


[此贴子已经被作者于2008-8-27 16:33:22编辑过]
沙发
发表于 2004-4-4 22:46:00 | 只看该作者

太经典了,呵呵,不过考试就怕没有这么多时间

不过还是很佩服住在楼上的邻居

板凳
发表于 2017-9-23 14:33:47 | 只看该作者
纸价下跌不是会降低印刷公司的成本提高利润吗?印刷公司是卖服务- 印报纸、印杂志 -又不是买纸。。 不太理解,所以选了E
感觉C是说总体保险量会增加,但是并不能说明Wellco, Inc.这家公司的保险量会增加,文中说希望靠rising insurance rates是增加的保险单价,而不是保险的比例或是数量提高revenue。所以感觉C没有在支持结论。。。做CR已疯。。
地板
发表于 2017-9-24 02:50:25 | 只看该作者
完全同意楼主说的“GMAT考试要求要有持久的集中注意力的大脑思维习惯”。这个平时训练就得练。重质量而不是数量。如果做题复习晕晕乎乎,不如休息,精力好时再做。要做就是最好的状态高度集中精力做。
确实佩服楼主做事的认真。但问题是这样细节的过程能否运用在别的题目上。下面分享一下我做这题的思路:
To avoid a hostile takeover attempt, the board of directors of Wellco, Inc., a provider of life and health insurance, planned to take out large loans and use them to purchase
        a publishing company, a chocolate factory, and a nationwide chain of movie theaters. The directors anticipated that these purchase initially would plunge the corporation deep into debt, rendering it unattractiveto those who wanted to take it over, but that steadily rising insurance rates would allow the company to pay off the debt within five years. Meanwhile, revenues from the three new businesses would enable the corporation as a whole to continue to meet its increased operating expenses. Ultimately, according o the directors’ plan, the diversification would strengthen the corporation by varying the sources and schedules of its annual revenues.
Which of the following, assuming that all are equally possible, would most enhance the chances of the plan’s success?
(A) A widespread drought decreases the availability of cacao beans, from which chocolate is manufacture, diving up chocolate prices worldwide.
(B) New government regulations require a 30 percent across-the-board rate rollback of all insurance companies, to begin immediately and to be completed within a five-year period.
(C) Congress enacts a statute, effective after six months, making it illegal for any parent not to carry health insurance coverage for his or her child.
(D) Large-screen televisions drop dramatically in price due to surprise alterations in trade barriers with Japan; movie theater attendance dwindles as a consequence.
(E) A new, inexpensive process is discovered for making paper pulp, and paper prices fall to 60 percent of their former level.

1. 读懂题,找出argument & line of argument
买3家不同业务,达到不少商业目的
1)贷款借债 -> 避免被收购
2)依靠保险费上升 -> 5年付清债务
3)新业务的营收 -> 帮助支付经常开支
4)不同业务多元化 -> 营收多元化
问哪个答案支持这个商业运作(考虑它要达到的目的)?

2. 分析逻辑/找茬漏洞
上面4小项都有两个逻辑事物,左边推到右边。如果推敲,每个都有一定漏洞假设。如果答案中哪个可以帮助填补漏洞假设,就增强,反之削弱
1)贷款借债 -> 避免被收购:假设 购买方在乎你借多少债务
2)依靠保险费上升 -> 5年付清债务 :假设 保险费上升
3)新业务的营收 -> 帮助支付经常开支  :假设 新业务的营收带来部分够
4)不同业务多元化 -> 营收多元化  :假设 这些业务确实营收多元化
GMAT商务逻辑,上面有些假设其实现实是大部分成立的。就看出题人从哪个角度找有一定合理的漏洞做文章了。

3. 答案
C 答案 - 关于1)保险营收上升(孩子上保险比例上升),增强。
A- 无法判断或削弱,关于3)咖啡原材料上涨,不好说咖啡厂营收如何受影响,至少题中给的信息无法判断
B- 削弱,关于1)保险营收下降
D- 削弱, 关于3)影院营收下降。
E- 无法判断或削弱,关于3)纸价格下降,不好说出版商营收如何受影响,至少题中给的信息无法判断。

做好逻辑我看有几个重点要求:1.高度精力注重细节,尤其逻辑思维细节 2. 阅读能力要一定好,能读懂读清楚逻辑关系。3. 知道阅读中如何提取出逻辑信息。4. 训练出良好的逻辑思维能力,来找茬和考核答案。

欢迎浏览我的帖子拍砖。有很多题我用类似分析方法解题。
Richard 770 逻辑答题讨论
http://forum.chasedream.com/forum.php?mod=viewthread&tid=1303467&fromuid=1294035
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