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对于OG的解释很不理解
120. The earliest Mayan pottery found at Colha, in Belize,
is about 3,000 years old. Recently, however,
4,500-year-old stone agricultural implements were
unearthed at Colha. These implements resemble
Mayan stone implements of a much later period,
also found at Colha. Moreover, the implements'
designs are strikingly different from the designs of
stone implements produced by other cultures known
to have inhabited the area in prehistoric times.
Therefore, there were surely Mayan settlements in
Colha 4,500 years ago.
Which of the following, if true, most seriously weakens
the argument?
(A)Ceramic ware is not known to have been used
by the Mayan people to make agricultural
implements.
(B)Carbon-dating of corn pollen in Colha indicates
that agriculture began there around 4,500 years
ago.
(C)Archaeological evidence indicates that some of
the oldest stone implements found at Colha
were used to cut away vegetation after
controlled burning of trees to open areas of
swampland for cultivation.
(D)Successor cultures at a given site often adopt
the style of agricultural implements used by
earlier inhabitants of the same site.
(E)Many religious and social institutions of the
Mayan people who inhabited Colha 3,000 years
ago relied on a highly developed system of
agricultural symbols.
SituationRecently, 4,500-year-old stone agricultural implements have been found in Colha,a location where 3,000-year-old Mayan pottery had previously been found. Theimplements resemble other Mayan implements of a much later time that were alsofound in Colha, and they are unlike the implements used by other local cultures inprehistoric times. These recently discovered implements thus prove that Mayan culturewas established in Colha 4,500 years ago.
ReasoningWhich point weakens the argument? First, identify a crucial underlying assumption. Theargument assumes the distinctive 4,500-year-old implements must be Mayan becausethey are similar to implements the Mayans are known to have used there much later.What if there is another reason for the similarity? What if a culture that comes to analready inhabited site tends to adapt its implements to the style of the residentculture'simplements? In that case, the Mayans could have come to the alreadyestablishedcommunity of Colha at some later point, and the later Mayan agricultural tools could becopies of the earlier culture's tools.
文中的黄色字体部分不是已经否定了这种情况了吗？
AThe argument does not suggest that the Mayans used ceramics forimplements, so this point doesnot weaken the argument; it is irrelevant to it.
BSince the point of the argument is who, specifically, established a settlement in Colha 4,500 yearsago, the evidence that some unidentified people were practicing agriculture there at that timeneither strengthens nor weakens the argument.
CDiscovering how the implements were used does not explain who was using them, so thisinformation is not relevant to the conclusion.
DCorrect. This statement properly identifies the weakness in the argument that the similaritybetween the 4,500-year-old implements and the later Mayan implements may be attributed tothe Mayans' adopting the style of implements used earlier by another culture.
EThat the Mayans relied on agricultural symbols at that time is nearly irrelevant to the issue ofwhether the earlier implements belonged to their culture. To the extent that this is relevant, itvery slightly supports, rather than weakens, the argument; highly developed'suggests that Mayanshad been practicing agriculture for a long time.
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发表于 2011-4-6 20:22:12
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你这个不空格我看着真恶心的~
楼主
