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[Jessica.Zhang老师已改] 托福写作——[综合+独立][TPO 34]

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发表于 2018-6-13 20:30 |显示全部楼层
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Question:Question: Summarise the points made in the lecture, being sure to explain how they cast doubt on specific points made in the reading passage.In the lecture, the professor argues that the sea cow extinction was not clear yet. However the reading contends that there are three main causes to explain the sea cow extinction. The lecture cast doubt on the reading passage by using a number of point that directly constrary to passage statement.

First of all, the reading says that the overhunted sea cows by native Siberian is one cause. In contrast, the lecture claims that sea cow was a massive creature that weight ten tons so it is not possible to hunt them so much. Also because the Siberian people did not need such large amount of sea cow, this overhunted is unlikely.

The second opinion that reading adopt is that since the ecosystem distrubances, the food for sea cow declined. While according to the lecture, this is not the case. The lecture contend that if there was a ecosystem disrubances, it really will affect other species. For example, other marine mammal like whale, but there is no report about the whale population reduce at that time. So this reason is unacceptable.

Another point that reading agree is that the European fur trade casue the extinction of sea cow. However, the lecture apparently refuted the point illustrated in the reading material, according to the professor, when the European arrived to the Bering island, the population of sea cow was already small. There is evdience that prove the decline of sea cow start 100 years before the European arrived. As a result, thefur trade is not the main cause of sea cow extinction.


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发表于 2018-6-16 19:42 |显示全部楼层
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发表于 2018-6-16 20:27 |显示全部楼层
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感谢您的参与,小站写作王牌老师JessicaZhang为您作出如下点评:
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