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[ZHY2018老师已批改] 托福写作——[综合+独立][tpo34]

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发表于 2018-7-5 10:23 |显示全部楼层
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Question:Summarize the points made in the lecture, being sure to explain how they challenge specific points made in the reading passage.In the reading passage, it talks about there are some theories about the main cause of the sea cow extinction. However the professor thinks that is not right.
First, the reading passage thinks that the native Siberian people hunt the sea cow as a food. So a considerable number of sea cow was extincted. However the professor thinks that the sea cow it\\\'s so big that the native people don\\\'t need to hunt too much. The native people did not hunt a lot of sea cow, so they can\\\'t cause of extinction.
Second, the reading passage show that the ecosystems at that time may change. As a result that makes the sea cow have no goods to eat. However the professor thinks that if the ecosystems change author aminals will decline too, like vells, but there are no reports shows that vells was deline.
FInally, the reading passage shows that when the fur traders came to the island they use the weapons to kill a lot of sea cows. However the professor thinks that the munber of sea cow it\\\'s already quite small when the fur traders came to the island. So the fur traders isn\\\'t the main cause of the sea cow\\\'s extinction.



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