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楼主: mike1999
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[讨论]八月八号厦门gmat学习小组成立了!

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311#
发表于 2003-7-22 12:34:00 | 只看该作者
谢谢fish.

mike,这题能不能将KAPLAN的解释打上,太奇怪了.
312#
发表于 2003-7-22 12:53:00 | 只看该作者
mike,收到你发来的逻辑总结,万分感谢,有你们的热情帮助,我等菜鸟亦无须畏惧ETS,再次谢谢!
另还烦请joy和tocean帮帮忙!luoxiaoyang(A) hotmail.com
那道KANPLAN语法题,是否可以解释为A的虚拟形式(因为已经发现了真实的结果,要与虚拟的roriginally情况比较),而they would originally seemed可能不合语法规则,转化成E。碰到这种题,看来只有死翘翘了。
313#
 楼主| 发表于 2003-7-22 13:32:00 | 只看该作者
谢谢大家的启发,我觉得也是要注意would,这个词.
314#
 楼主| 发表于 2003-7-22 13:36:00 | 只看该作者
一道费费数学:
32、半径为r的圆的内接长方形的周长可能是哪个?
A:2*(根号3)*r
B:2*(根号3+1)*r
C:4*(根号3)*r
D:4*(根号2)*r
E:4*(根号3+1)*r
这道题好象没有讨论到,大家有思路吗?
315#
发表于 2003-7-22 13:55:00 | 只看该作者
以下是引用mike1999在2003-7-22 13:36:00的发言:
一道费费数学:
32、半径为r的圆的内接长方形的周长可能是哪个?
A:2*(根号3)*r
B:2*(根号3+1)*r
C:4*(根号3)*r
D:4*(根号2)*r
E:4*(根号3+1)*r
这道题好象没有讨论到,大家有思路吗?


这种题目只要把范围求出来,就好做了.最大的周长为正方形的周长为4根号2R,包括在内;
而最小为4R,当然不是包括的,因为三角形两边之和大于第三边,所以可以是(4R,4根号2R]之间的都可以.
316#
发表于 2003-7-22 15:16:00 | 只看该作者
帮我看看这两个完成句子,好吗?

9. It is not known whether bovine spongiform encephalopathy (BSE), a disease of cattle invariably deadly to them, can be transmitted directly from one infected animal to another at all stages of the infection. If it can be, there is now a reservoir of infected cattle incubating the disease. There are no diagnostic tests to identify infected animals before the animals show overt symptoms. Therefore, if such direct transmission occurs, the disease cannot be eradicated by ____
Which one of the following best completes the argument?
(A) removing from the herd and destroying any diseased animal as soon as it shows the typical symptoms of advanced BSE
(B) developing a drug that kills the agent that cause BSE, and then treating with that drug all cattle that might have the disease
(C) destroying all cattle in areas where BSE occurs and raising cattle only in areas to which BSE is known not to have spread
(D) developing a vaccine that confers lifelong immunity against BSE and giving it to all cattle, destroying in due course all those animals for which the vaccine protection came too late
(E) developing a diagnostic test that does identify any infected animal and destroying all animals found to be infected

答案:A,我选了C,这题我做了好久,在A,C中考虑,结果还是错了.

24. When the rate of inflation exceeds the rate of return on the most profitable investment available, the difference between those two rates will be the percentage by which, at a minimum, the value of any investment will decline. If in such a circumstance the value of a particular investment declines by more than that percentage. It must be true that________
Which one of the following logically completes the argument?
(A) The rate of inflation has risen.
(B) The investment in question is becoming less profitable.
(C) The investment in question is less profitable than the most profitable investment available.
(D) The rate of return on the most profitable investment available has declined.
(E) There has been a change in which particular investment happens to be

答案:C,我选了B,我觉得B更好点,因为原文没有讲到 the most profitable investment?

谢谢了.
317#
发表于 2003-7-22 16:26:00 | 只看该作者
以下是引用joywzy在2003-7-22 15:16:00的发言:
帮我看看这两个完成句子,好吗?

9. It is not known whether bovine spongiform encephalopathy (BSE), a disease of cattle invariably deadly to them, can be transmitted directly from one infected animal to another at all stages of the infection. If it can be, there is now a reservoir of infected cattle incubating the disease. There are no diagnostic tests to identify infected animals before the animals show overt symptoms. Therefore, if such direct transmission occurs, the disease cannot be eradicated by ____
Which one of the following best completes the argument?
(A) removing from the herd and destroying any diseased animal as soon as it shows the typical symptoms of advanced BSE
(B) developing a drug that kills the agent that cause BSE, and then treating with that drug all cattle that might have the disease
(C) destroying all cattle in areas where BSE occurs and raising cattle only in areas to which BSE is known not to have spread
(D) developing a vaccine that confers lifelong immunity against BSE and giving it to all cattle, destroying in due course all those animals for which the vaccine protection came too late
(E) developing a diagnostic test that does identify any infected animal and destroying all animals found to be infected

答案:A,我选了C,这题我做了好久,在A,C中考虑,结果还是错了.


Joywzy, 个人之陋见:

做这种句子完成题时,一定要认真读懂整个题干的推导,因为这种题类似于归纳题。
这道题里假设一种情况成立, 也就是“感染”在“出现症状”前。

所以选项A --- 在病牛出现“症状”后,才把病牛移走或“人道毁灭” 对病情的控制是无济于事的, 因为病牛在出现症状前就已经把病毒传给了其它的牛一样。

打个比方, 就象前一段时间的SARS, 当某个SARS病人在出现咳嗽,发烧等情况后才被隔离, 但这个时候他可能已经把病传给了其他人。


24. When the rate of inflation exceeds the rate of return on the most profitable investment available, the difference between those two rates will be the percentage by which, at a minimum, the value of any investment will decline. If in such a circumstance the value of a particular investment declines by more than that percentage. It must be true that________
Which one of the following logically completes the argument?
(A) The rate of inflation has risen.
(B) The investment in question is becoming less profitable.
(C) The investment in question is less profitable than the most profitable investment available.
(D) The rate of return on the most profitable investment available has declined.
(E) There has been a change in which particular investment happens to be

答案:C,我选了B,我觉得B更好点,因为原文没有讲到 the most profitable investment?

这道题其实是一道数学题, 其中有一个差值:

也就是“通涨率”(设为I)和“最高的投资回报率”(设为A max)之间的差值, 换句话说, 这个差值有点象 benchmark

=> benchmark = I - A max. (at a minimum, the value of any investment will decline)

我们解读为: A decline Min = I - A max

题干中说到:
If in such a circumstance the value of a particular investment declines by more than that percentage

我们可以解读为: A decline > A decline Min
即 A decline > I - A max  

不难得出,I - A > I - Amax

==> A < A max

谢谢了.
318#
 楼主| 发表于 2003-7-22 16:28:00 | 只看该作者
第一题,我觉得把握原文的推理结构和抓住关键的概念是解体的思路.文章一开始强调病毒的传染性,接着说在发病前没法观测到.然后就说通过下面这个方法这个病毒没法根除,所以提出的方法要强调病毒的传染性性以及症状等这些关键概念.对比之下A就要比C更紧扣原文的思路.
第二题,第一句就说到了最能赢利的项目啊.这到题就是比较最能赢利的项目和某个特定项目的赢利能力的.
319#
发表于 2003-7-22 16:37:00 | 只看该作者
谢谢mike, grassgreen!!!

T2,是我读漏了最能盈利的项目.所以我做错了.请问有什么办法不读漏东西吗?我有时就会把argument里面的东西给忽略了.

T1,grassgreen的说法可能更容易理解.A是比C好.

谢谢.
320#
发表于 2003-7-22 16:40:00 | 只看该作者
To Joywzy,

我做逻辑题最深的体会是, 一定要精力充沛,

然后要concentrate, 才会不读漏题。

就象做数学一样, 细心在做任何题的时候都是需要的。

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