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AegeanSea倒计时--二战再败 告别G

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211#
发表于 2005-9-11 23:37:00 | 只看该作者

大家帮我看看我的作文吧。。。。。。感觉有4 分吗?觉得好差。。。。


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AA 33


33. The following is part of a business plan being discussed at a board meeting of the Perks Company.


“It is no longer cost-effective for the Perks Company to continue offering its employees a generous package of benefits and incentives year after year. In periods when national unemployment rates are low, Perks may need to offer such a package in order to attract and keep good employees, but since national unemployment rates are now high, Perks does not need to offer the same benefits and incentives. The money thus saved could be better used to replace the existing plant machinery with more technologically sophisticated equipment, or even to build an additional plant.”


Discuss how well reasoned... etc.



In this arguement, the arguer concludes that under nowadays circumstances that unenployment rates are high,    company no longer need to offer employee that benegit package as it did before. This conclusion based on the assumption that elimilate the package from the employee and invest the money into the other part inside the company such as the equipment or building another plant will benefit the company more. However, the conclusion here has  several flaws.






First of all, this arguement draw the conclusion based on a unwarranted assumption. Obviously, the aruger falsely assume the remove of the benifical package from employee will not affect the productivity of the employee, thus would directly influence of the company. It is true that even under the presure of the outside job market, this kind of elimination of benefit package will influence the emotion of even the most loyal employee in the company.






Secondly, the author of this arugement uses a flawed arguementation way in this arguement which is hasty generalization. In the arguement, the arguer concludes that saved money or resources from the removal of the benefif package will be invest into other part of the operation inside the company which will definitly generate the ideal consequce. It is not certain that inverted money in other part of the company will be success. Acutally, every investment surely will along with the invest risk which coould not be cypass in this case. Given above, were the investment failed, this arguement will surely be undermined by that.






Generally speaking, this arguement is flawed because is failed to establish a effective assumption that the immediately remove of the benefit package will not affect the emotion of the employee and to give a convicing reason for the lucrative result of the investment in other part. If the arguer could prove better that enimilation of the package under this certain circumstance would not result  the decline of the productivity and every investment by the company will make momey , this arguement above could be more convicing.



[此贴子已经被作者于2005-9-11 23:48:00编辑过]
212#
 楼主| 发表于 2005-9-12 00:21:00 | 只看该作者
以下是引用wwwhahchn在2005-9-11 12:45:00的发言:

GWD-13-8


A new hair-growing drug is being sold for three times the price, per milligram, as the drug’s maker charges for another product with the same active ingredient.






  1. as

  2. than

  3. that

  4. of what

  5. at which

我的理解:



大家讨论




sorry, 3w,一直在看JJ,才看到你给我的解释,太感谢了!因为这道题做的时候刚好和提供的答案一直,就没有看讨论贴。


仔细想过后,觉得mm的分析很有道理,严重同意,已经改正了!


那一道RC,我对自己的阅读已经没什么信心了,看了这道题,我在A和B之间犹豫了很久,看了mm的定位,觉得比我的分析要合理,这道题也同意。


再次感谢!



[此贴子已经被作者于2005-9-12 0:23:52编辑过]
213#
 楼主| 发表于 2005-9-12 00:28:00 | 只看该作者

629.PS.五双袜子,每双是一种颜色,不放回抽取2只,问是同种颜色的概率.
1/9


C(5,1)/C(10,2)


这个题我觉得先取一个,随便一个,剩下的就是9个中选一个。 然后就是1/9


但是如何保证从剩下的9个里面取出来的和随便选的那个是一种颜色呢?我同意3w的答案,一种颜色其实就是一对啦,相当于从五对里面取出来一对,然后和任意取出两只相除,得出概率。

214#
 楼主| 发表于 2005-9-12 00:40:00 | 只看该作者

问一道04年9月的JJ:


143. DS: 本金1000,年利率x,一年计息n次,问一年后利息收入多少?
(1)  
本金500年利率x,计息n次,一年后本利和为524
(2)  
本金1000年利率2x,计息2n次,一年后本利和1100(数字不准)
[我选D]



这里的计息n次是什么意思啊,有些糊涂

215#
发表于 2005-9-12 07:41:00 | 只看该作者
以下是引用AegeanSea2006在2005-9-12 0:40:00的发言:

问一道04年9月的JJ:


143. DS: 本金1000,年利率x,一年计息n次,问一年后利息收入多少?
(1)  
本金500年利率x,计息n次,一年后本利和为524
(2)  
本金1000年利率2x,计息2n次,一年后本利和1100(数字不准)
[我选D]



这里的计息n次是什么意思啊,有些糊涂



1000*(1+X)^n = 本利和
216#
发表于 2005-9-12 07:43:00 | 只看该作者
以下是引用AegeanSea2006在2005-9-12 0:28:00的发言:

629.PS.五双袜子,每双是一种颜色,不放回抽取2只,问是同种颜色的概率.
1/9


C(5,1)/C(10,2)


这个题我觉得先取一个,随便一个,剩下的就是9个中选一个。 然后就是1/9


但是如何保证从剩下的9个里面取出来的和随便选的那个是一种颜色呢?我同意3w的答案,一种颜色其实就是一对啦,相当于从五对里面取出来一对,然后和任意取出两只相除,得出概率。


两种做法答案都一样,一个用古典概率,一个用排列组合方法。

比如说:从1,2,3 里面选出3 的概率是1/3  你如何保证选的不是2 呢? 这就是古典概率,呵呵

217#
 楼主| 发表于 2005-9-12 08:38:00 | 只看该作者
以下是引用xrx7072_cn在2005-9-12 7:43:00的发言:


两种做法答案都一样,一个用古典概率,一个用排列组合方法。

比如说:从1,2,3 里面选出3 的概率是1/3  你如何保证选的不是2 呢? 这就是古典概率,呵呵



哦,是这样子啊,只认得排列组合了,古典概率早就忘了,哈哈


218#
 楼主| 发表于 2005-9-12 08:41:00 | 只看该作者
以下是引用xrx7072_cn在2005-9-12 7:41:00的发言:


1000*(1+X)^n = 本利和

这里面没有提到是复利啊,

年利率是x,如果计息n次,并且是复利的话,是不是要这样:1000×(1+x/n)^n?

如果是单利,1000×(1+x)

有些糊涂了...

219#
发表于 2005-9-12 08:55:00 | 只看该作者

哎,大家数学真好。我数学太差了。没戏。


有人做过新的GMAT prep的题目吗?

220#
发表于 2005-9-12 12:11:00 | 只看该作者
以下是引用AegeanSea2006在2005-9-12 8:41:00的发言:


这里面没有提到是复利啊,

年利率是x,如果计息n次,并且是复利的话,是不是要这样:1000×(1+x/n)^n?

如果是单利,1000×(1+x)

有些糊涂了...


你的是对的, 我觉得这题不在于考我们公式,而是要求我们知道使用上面的数据足够查表得出结论。其实数据都是充分的了,选D没问题.

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