▶ Your Answer : In this established topic,both the reading passage and the speaker discuss several aspects of Petroglyphs's purposes. The reading passage claims that it is not difficult to infer some specific purposes of Petroglyphs. The speaker argues that the assertion made in the reading passage are wrong. This casts doubts on the reading passage. To begin with, in contrast to the reading passage, the speaker claims that the purpose of Petroglyphs as communication is doubtful. Specifically explaining, recently studying realized that petroglyphs's same images present different meaning. This refutes the reading passage's claim that petroglyphs funtioned as communication tools. On top of that, the speaker argues that its purpose as religious does not make sense. In detail, other creations used to religious object are elaborate and detail, like cave painting. However, most of Petroglyphs are more strict and have simple shape. This opposes the reading passage's explanation that the petroglyphs were made for religious ceremonies to call upon divine powers. Finally, the speaker discusses that its purposes as killing time are wrong. This reason is that, the petroglyphs have practical side. For example, back then,young boy improved their hunting skills by playing war game. This contradicts the reading passage's assertion that the carving were created by ordinary people to escape boredom.
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