先上JJ.
AWA 寂静15 – Greentree Grocer裁员. 题干已经说得很清楚了所以也就不重复了。我的3个攻击点是这样的： 1. Employee & store displays might have been the key success attributes; blindly removing them could harm sales. 2. Surveys lack clarity 3. Overlapping customer base after partnering – not necessarily encourage more customers. Even if more customers, the author did not consider partnership cost (cost of training, upfront renovation, integration cost, etc.) – 顾客群就算会增长，作者也没有考虑到partnership cost, 也许这些cost很高会抹掉利润。这一点好像JJ以前没有人提过。
IR 1. (Multi-source): 325 people listening to 30 songs, each song a survey, each survey 6 questions - Total survey <10000. (325*30 < 1000)
对应JJ的19题，读IRJJ的时候有印象但是题太长太残了我看了半天还是对某些选项不是很确定。确定的是，325人的样本，每人听30首歌（这30首歌是从一个300首歌的库里面挑出来的）- 这几个数字是确定的。每一首歌对应了一个问卷 （也就是每个人要填30张问卷）。每个问卷6道题，第4题是多选其他都是单选。每道题都是问人们对于这首歌曲的感受（实在记不清选项了）。第二个TAB是问卷答案的一个柱状图，第三个真的不记得了。确定的题只有一道就是上面英文写的：问你以下是否正确 – 调查问卷总数小于10000，答案是正确的，因为总共就325*30个问卷。
2. (graph) insurance – major accidents – major medical conditions.
问题有两个： a. minor accidents 然后 major medical cost 几率是多少：选了b%*e%; b. major medical cost 几率是多少：选了b%*e%+a%*d%
3. (Line graph) Export & Import & Domestic. - Positively correlated: domestic & import; - Which has the highest: mean. (the domestic line is above the other two)
对照JJ99. JJ版本已经有图了，那个图与原题一致。问了两个问题： 从图中可以得出，____与_____是正相关的，并且前者有着_______ 答案是：domestic与import是正相关的，并且前者有着最大的平均数（因为domestic的线是在最上面的）。
4. 对应JJ57，解释得很清楚了，确认答案130, 140。
5. 新狗 – 至少我没见到过。
Someone (Alice) bought one unit in a condo building. All units in this condo vary widely in terms of area, property tax, price and # of rooms. The maintenance fee can be levied using the following methods: a. same for all units; b. proportional to unit area; c. proportional to property tax; d. proportional to sales price. e. proportional to # of rooms. Additional info: unit area, property tax and sales price are directly linked.
If one and only one of the above methods is used, no unit has a lower maintenance fee than Alice’s unit; if another (and only that one) of the above methods is used, Alice’s unit has the highest maintenance fee. Questions asks you to pick out the two methods from a-e. My answer is a & e.
大致就是：Alice买了一栋房子里面的一间。这栋房子里面每间的面积啊价格什么的都很不同，差得很多。现在这栋楼所有的房子要收管理费。管理费怎么算呢？有几种算法：所有房子收一样的；管理费与面积成正比；管理费与售价成成比；管理费与房产税成正比；管理费与卧室数量成正比。如果按其中一种算，那么这栋楼里面其他的房子没有比Alice买的这间更低的；如果拿另一种算，那么这栋房子里Alice买的那间的管理费是最高的。这两种算法都是独特的（别的算法不能产生一样的效果）。问这两种算法分别哪种。还有一个相关条件（非常重要！！）是说房屋面积和房产税和售价都是相关的。
我选的第一个是均分的，因为均分之后别的房子的物管费不会更低（因为是相等的，自然没有更低一说）；第二个是按房间数量的。因为排除了房屋面积，房产税，售价 – 如果按这些算的话，Alice如果有最大的房子，自然有最高的房产税和售价（题目说这些是相关的），所以这三种算法不是unique的，都会产生一样的答案，排除。按房间数是对的 – Alice的房子可以被劈成10个房间。。。。。。。房间数最多。。。虽然面积不一定最大。
Quantitative (my answer in the bracket) JJ解释得全并且答案确定的我就只列题号了，整理君频率+1就好了，剩下的我在下面解释补充： 6,8,10,13,14,46,67,124,127,135,241,248,256,262,303,306,314,322,328,372,374,
7. 两种算汽油价格的方法：x方法是base $36, 然后超出240miles的$0.4/mile。Y方法就是每开一mile算$1。问两个相等的时候开了多少mile。列个方程做就好了。
254. Distance d mile, $1.6/mile, $0.4/min, price s. asking for speed (mph). V=d/t=(24d)/(s-1.6d). 注意把分钟转换成小时。
291+311+318. 见图。
不知道这个有没有还是变体: 每年某人拿的工资是base+sale*0.3. 条件(1)base = 1000; 条件(2)拿到的工资比base多3000，问能不能知道sales是多少。数字自己编的，我选了B，第二个可以算出来第一个不可以。
还有靠墙放梯子的那个，刚刚没翻到，但JJ一定有的，没有也没有关系，很简单的。
RC1 – Canadian Female Journalists
作文文章什么的JJ已经很清楚了，我没什么想补充的，就说一下题。
1. Which can be inferred about the Women in Canada before 19th century? Choice 1: They produce a lot of things at home (food, clothing, medicine, etc.) Choice 2: They think reading newspaper is not respectable.
This is a pretty confusing one but I’m fairly certain the answer is 1. Choice 1 is mentioned by the article as “the newspapers advertise a lot of goods that were previously produced at home, such as food, fashion and medicine….”; Choice 2 is mentioned by the article in the very end “Another societal change is that reading newspaper is regarded more respectable for women.”
这两个选项我想了很久，但后来确定是1. 主要文章都提到了这两个选项，但选项1文章直接提到了。但choice 2原文是说 ”女性读报纸开始被认为是一件更有教养的事情“ 而选项说 “女性之前不认为读报纸是有教养的事情”，觉得不如选项1直接，而且角度有问题。也有可能女性之前一直是觉得读报纸很有教养但是社会现在才承认。
2. Purpose of the Article Provide historical context to a period where there was an increasing number of women journalists.
注意文章只有第一句说了19世纪加拿大女性记者开始多了起来。。。但是全文讲的跟记者一点关系都没有。全文都是在讲那个时候各大报纸是怎么吸引女性注意力的，以及报纸对于女性来说作用和意义都不同了。文中只有一句简略提到“因为女性也开始看报纸了，所有有一些女性会到报社工作，写一些女性会看的东西”，但记者不是重点。文章旨在提供historical context。
RC2 - Upstream-manufacturing-downstream
1. Which of the following would the author agree about the “traditional manufacturer” E. They are set up for massive production.
2. Which role does the “handcrafters” play – answer: all three roles (upstream, manufacturer, downstream).
RC3 – Cost Distortion: Blue pen violet pen 1. What resulted in the cost distortion? A. Costs other than material and labor were improperly allocated to different products.
2. What would weaken the author’s main argument? Answer: if overhead cost remains constant regardless of numbers of product lines.
3. What would happen if cost is properly allocated? Answer: Margin for blue pen will be higher.
RC4 - Internet Interactive Testing 1. What are the common traits of products that cannot be used in internet testing? E. They require more sensual experience not visual.
文章最后一段说了有一些产品不能参加网上实验，比如衣服啊不能试穿，食品啊不能试吃。问这些商品有什么共性：共性是这些商品顾客需要有更多的感官参与才能评价，光看是不行的。
2. What is the main purpose of the article ? This one I’m not too sure…but all options relating to “retailers” is wrong. The article is talking about manufacturers. I picked the one that talked about how manufactures know which strategy is better by using internet based testing.
这文章第一段开头说manufacturer想测试一些产品但是retailer一般因为成本高所以不太愿意。于是manufacturer就开发出了这个internet based testing。文章主要讲的是关于manufacturer的，不是retailer。带retailer的选项都错。但我又不是很确定自己选的那个，感觉那个有点主旨不够快狠准。。。。我选的那个意思是“网上实验能够帮助manufacturer分辨哪些strategy是有用的”。
3. What’s the purpose of the last paragraph? Answer: lay out some limitations of internet testing, but then restated the benefit so re-affirmed the idea (internet testing) raised in the first paragraph.
SC 不好意思我SC JJ没有看，而且SC题实在难记。。。大家勉强看。。。。 1. JJ里有，红字是对JJ的补充，bold是我的答案：The factors of flood include increasing numbers of flood victims living in flood prone areas, such as flood plains and mountainside ; deforestation ; the continuous decrease of wetland. 大意是这个。也许略微有出入。选项不记得了，但破折号什么的感觉是不对的。 2. The laws of the united nation….(B) 这题JJ有。之前大家反复讨论。确定B。 3. Scientists sought to explain without success…… Scientists sought without success to explain… Scientists sought unsuccessfully an explanation… 选了第一个。 4. xxxxx, a figure hundreds of times more than xxx…
CR: 1. Flowers are in danger in both City N and L. 15% of the flowers will be wiped out in city N vs only 5% in L. Why does the government decided to fund L instead of N to save the flowers? Answer: because unlike city N, flowers in city L cannot be found anywhere else. 对照JJ15，JJ讨论解释得很清楚了。
2. Bad film (violent, antisocial) vs. Good film (family oriented). Experiment done: someone fell in the cinema. People exiting from the good film is more quicker in helping than people exiting from the bad film. Conclusion: bad film make people bad. Questions: which of the following test, slightly different, but can affirm the conclusion above? Answer: people entering the bad film is more quicker in helping than people entering the good film. Not really sure, looks the most correct compared to the rest. 这个其实我不是很确定。我觉得答案没一个好的。题目是说有人做了个实验，假装在电影院门口摔倒，发现刚看完家庭片出来的人比刚看完暴力片出来的人比较容易把这个人扶起来。于是结论：暴力片会让人变得暴力/没爱心/怎么怎么的。题目，下列哪个稍稍不同的实验，所得出的结论能加强上面的那个结论？我选的是：在看电影前，选择去看暴力片的人比选择去看家庭片的人容易扶起倒地的人。但我也有疑惑，感觉我选的这个是要和原文的那个实验加在一起才能说明问题的。
3. In a city, the government provides flood damage insurance to people who live in flood-prone area. But participation rate (people who actually apply for these insurance/total population eligible) is only 15%, very low. The reason for the low participation, according to the government, is that people wouldn’t apply for these insurance unless they had experienced flooding themselves. Therefore, the participation rate is expected to increase in the future. Question: which of the following would explain why the rate is expected to increase?
A. Population who had no experience of flooding but moved to flood-prone area for other reasons continued to increase in recent years, but the growth is expected to cease in the near future. BCD… E. Recent weather indicates that in the future the flood-prone localities would increase. I picked A and I’m pretty sure the answer is A. I thought about E a lot but didn’t pick E because E indicated that there will be more flood-prone areas, not that participation will increase. (participation = people that applied for insurance/total population in the flood-prone area)
貌似是新狗？ 原文是说：政府会对住在洪灾易发生地区的人提供保险。但是申请这个保险的人过去几年很少。政府说这个保险申请率这么低是因为大家一般直到自己尝到洪灾的滋味了才会申请，那些从来没经历过洪灾的人不会申请的。所以过几年这个申请率就会增高了。问为什么会得出这样的结论？
有两个选项我犹豫了一下。但最后确定选A。A是说这几年这个地方搬来了很多没经历过洪灾的人。过几年不会再有这样的人搬来了。这个很能解释为什么过几年申请率会增高。E说未来几年气候变化会导致洪灾易发生地区范围扩大。这个其实只能解释申请率的分母（可以申请保险的人），并不能解释申请率。
4. C-Chicken. A kind of chicken (C-Chicken) is being raised in captivity to be released into the wild. Baby C-Chicken can be fed both by human and by adult C-Chicken. Baby C-Chicken who were fed by human is more likely to survive than Chicken fed by adult chicken, but researchers still insist on letting the adult C-Chicken feed the baby chicken. Questions: explanation. A. Where these chicken were raised are very far from where they will be released. (x) Another choice: Chickens fed by human proved less likely to pick up skills that would enable them to successfully raise their offspring, compared to chickens fed by adult chicken. I picked this one.
貌似也是新狗但比较简单。有种鸡被圈养大为的是以后放生。给这种小鸡喂食，可以人喂，也可以成年鸡自己喂。人喂，小鸡比较容易存活，可是研究人员还是主张让成年鸡自己喂。为什么？答案我选的是：人喂大的鸡，比较不太容易能养活自己的后代。
真的离不开JJ群里的各位。很感谢平时的各种讨论。感谢cd各种无私的资源。各位整理讨论君真的都是非常了不起的，在此表达深深的谢意。 感觉JJ价值是数学>阅读>逻辑>作文>IR>SC。当然因人而宜，像我数学差，不看JJ一定很多粗心错误。
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发表于 2015-9-16 01:03:55
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