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[Jessica.Zhang老师已改] 托福写作——[综合+独立][tpo27]

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发表于 2018-6-14 15:54 |显示全部楼层
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Question:Summarise the points made in the lecture, being sure to explain how they cast doubt on specific points made in the reading passage.Both the reading and listening materials are talking about the causes of Little Ice Age. The reading suggests three reasons, but they are disagreed by listening material one by one.

Firstly, the reading material claim that the disruption of ocean currents which is caused by the melted water from glaciers can cause that cooling, because they are strong enough to change the climate on the Earth. However, the listening material this hyposis is not convinsing, due to the only effect of Gulf Stream in North America, some other regions, like Neazeland, also became colder.

Secondly, the reading passage thinks that volcanic eruption can make a difference. After the eruption, lots of duct and sulfur gas would form large and dark clouds and spread to rest of places on the Earth, sunlight which crossed them will reflect, so the temperature will decrease. The listening material reckons if there were really eruptions happened, that was impossible no one notice it and reported it because of colorful sunset, and the dust created by volcanic eruption was not enough to cause the change.

Finally, the opinion suggested by the anther in the reading passage that decrease of global warming caused by decreased population can make the lower temperature is completely debated by the professor in the listening material. The peofessor explains that there was no enough time for the environment to absorb that much carbon dioxide and cool the temporature, those trees starting growing again would not able to accoplish that.


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发表于 2018-6-16 20:29 |显示全部楼层
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发表于 2018-6-16 20:49 |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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