excavation of the ancient city X on the island of C revealed a pattern of debris and collapsed buildings typical of towns devastated by earthquakes.Archaeologists have hypothesized that the destruction was due to a major earthquake known to have occured near the island in AD 365.
B no coins minted after AD 365 were found in X,but coins minted before that year were found in abundance
C Most modern histories of C mention that an earthquake occured near the island of C.
The hypothesis contains a few elements: city, destruction, earthquake, AD365. From the last sentence you can safely conclude that the earthquake did occur in AD 365 (know to have occured...). So C only provide proof on a known element. B goes beyond C by providing proof on elements that are not yet proved or asserted in the passage. So B is much better than C.
POE is definitely one good approach for GMAT CR. Howeverm, before you apply POE, you need to understand the core and the scope of the argument, and sometimes you need to sort out the line of reasoning. For this problem, you need to understand what you are requested to prove and what is the primary factor in the hypothesis. B is right in that it provides sound proof on the key factor in the hypothesis: the time. C only strengthens an asserted factor, which does not really need as much further proof as the time needs.
You can think from the standpoint of the people who raised the issue and think what is the main point here. Then use POE
以下是引用mindfree在2003-6-4 7:56:00的发言： POE is definitely one good approach for GMAT CR. Howeverm, before you apply POE, you need to understand the core and the scope of the argument, and sometimes you need to sort out the line of reasoning. For this problem, you need to understand what you are requested to prove and what is the primary factor in the hypothesis. B is right in that it provides sound proof on the key factor in the hypothesis: the time. C only strengthens an asserted factor, which does not really need as much further proof as the time needs.
You can think from the standpoint of the people who raised the issue and think what is the main point here. Then use POE
Great! thank you, mindfree...I learn a lot about CR from you and I am improving my CR correctness rate... I think you get the essence of GMAT... even better than teachers in xindongfang, from whom I got nothing
You can think from the standpoint of the people who raised the issue and think what is the main point here. Then use POE
free gg is excellent without doubt!
But I still cannot understand the essence of your last sentence: to think from the standpoint of the people who raised the issue .Here,I still think the main issue is whether the contry is destroyed by an earthquake and the people who raised the issue just wanted to prove it. 所以我仍然要在b/c之中徘徊，做不到只剩下b 能再花时间跟我罗嗦几句吗？
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发表于 2003-6-3 10:45:00
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