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[Tina. Xiao老师已改] 托福写作——[综合+独立][TPO 47]谢谢老师

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发表于 2018-4-16 22:23 |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.The lecture talks about the posibility that pterosaurs were capable of powered flight, which apparently refutes the points illustrated in the passage. According to the passage, there are several arguments that against powered flight. Conversely, the professor points opposite oppinions toward each argument.

First of all, the professor argues that pterosaurs\\\' body are covered with fur which indicated by the fossiles of pterosaurs, will provide the same reslutes as warm-blood species can do. Therefore, the body temperature and metabolism rate will strong enough to provide the basic needs to fly. These views are obviously contraditary to the passage.

The second point the professor uses to cast doubt on the passage is that the large bone of pterosaurs are hollow inside of it instead of being solid, which means the weight of pterosaurs might be light enough for them to fly.

Another evidence the lecture adopts to refute the passage is the birds only use back legs to fly however pterosaurs use all of its limbs to prepare to fly. Thus they are capable to fly though their back leg muscles were small and weak.

In summary, scarely at all the professor agress with what is presented in the passage. He claims that there is a great possibility for pterosaurs to fly, whereas the reading materials make point that they are not capable of powered flight.


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Tina20170807 发表于 2018-4-18 09:49 批改中
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