本文托福综合写作题目为野马对牧场的负面影响2016年5 月29日托福考试写作

　　托福综合写作范文Sample answer:

　　The writer and the speaker have a debate on Mustangs. The writer believes that it will have a negative influence on rangeland, which is opposed by the following lecture.

　　First, the writer claims that the Mustangs will overgraze grass, thus making it expose to rain. Wind would carry the topsoil. While the speaker views this issue from an opposite angle, according to him/her, Indeed the Mustangs would graze grass, but they only eat top of plant, so grass will grow again. Besides, fertilizer provided by Mustangs would aid plants’ growth.

　　Secondly, the passage states that the land has carrying capacity.. However, the speaker casts doubt on this opinion by saying that Horses hunt sheep, so the sheep’s population will be reduced. It will not exceed carrying capacity.

　　Last, the writer argues that Mustangs will degrade the water quality. Therefore, the juvenile fish can not survive. By contrast, in accordance with the speaker, this claim does not hold water. It is not caused by Mustangs. There were beavers once. Building dam is good for young fish. However, people think that beavers will damage environment, thus killing them. Without beavers, young fish can not survive.

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