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In the given set of the information, both the reading passage and the lecture deal with the issue whether living roofs or green roofs are more beneficial than conventional concrete roofs. The lecturer casts doubt on the author's assumption that the green roofs have several positive aspects over conventional concrete roofs by providing three compelling counterarguments.
First of all, the lecturer indicated that the green roofs cannot be a fair solution to the problem of lacking parks in the cities, whereas the author contends they can help by adding the park space to the city. In this respect, the lecturer insists that the author exaggerates the effect of the green roofs because people in the cites rarely have the access to visit the green roofs in their daily life.
On the top of that, the lecturer also disagrees the reading passage's claim that living roofs enable a lot of people to enjoy a great view. This is because in general people walk on side walk so they hardly have chances to see the green roofs.
Lastly, the lecturer makes his point by explaining the additional cost of the green roofs will outweigh the cost savings over conventional roofs. To be specific, in the reading passage the author contends that living roofs save on energy because added soil and vegetation layers function as an insulating cover. However, the lecturer indicates that extra cost of maintaining the green roofs will outweigh the saved cost.
Grade : Good (24-30)
Overall Comment : 구성과 내용이 모두 적절합니다. 충분히 30점을 받으실 수 있을 것입니다. 이번 주 시험 잘 보세요~!
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