▶ Your Answer :
There is an ample support for the author's claim that there are many lots of theories why toucans have their bills. However, the professor in the lecture gives several reasons as a rebuttal to the author's point. First, the professor contends that the bill is useless to attack because it is made of a hollow bone even though it is keen. The professor says that the bone of the bill would be thicker and strong harder if its purpose were to strike predators. (Need more explanation) This counters the reading passage's assertion that the bill can serve as a weapon since it has a sharp edge in order to keep themselves from enemies. Second, the professor insists that it is highly doubtful that the bill is used to hide themselves with a variety of colors of the bill. It is because they usually form a small flock and make a loud noise to talk to each other, so they are easily detected by predators. To put it this way, if they wanted to conceal themselves with the bill from their predators, they should not have made any noise and live in a group, which are highly noticeable. (Lengthy, make it clear) This refutes the reading passage's suggestion that the bill helps the toucans camouflage because the colors of the bill are similar to trees in their habitats. Finally, the professor argues that they do not need the bill to cool them down. To be more specific, toucans with a small bill have no issue with temperature. Moreover, if the bill helped them release heat, they would have a hard time keeping them warm at night. This casts doubts on the reading passage's idea that since they are live in hot weather, they should give off heat by using the bill which has a wide surface. | 채점기준표 | Grammar | Contents | Example | Coherence | 점수 | 3 | 3 | 2 | 2 | Score | Fair 15-18 | - 제시된 정보들이 명확하게 드러나 있지 않고, 장황하게 설명이 되어 있어요. 특히 두 번째 noise의 경우가 왜그런지 상세히 설명되어 있지 않네요, - bill의 세 가지 function에 대하여 분명히 서술하여 주시고, 근거들을 한 줄 정도 더 추가해주셔야 합니다.
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