托福写作的具体练习中,我们还是要多进行写作题目的练习,这样能够辅助我们更全面的来提升写作能力。那么具体的我们应该从哪些写作题目开始入手复习呢?为了方便大家更好的练习,下面小编为大家整理了详细的内容,供大家参考!

  According to the lecture, the professor casts serious doubts on the article, claiming that rather than pollution, predation can better explain the sea otter decline along the Alaskan coast.

  The first point retorted by the professor is the statement in the paragraphs indicating that industrial chemical pollutants indirectly cause the decline. She asserts the fact that no dead sea otter is discovered on Alaskan beaches directly contradicts the pollution hypothesis and strongly supports the predation theory-sea otter killed by predators would be eaten immediately rather than being washed up on shore. Thus, in contrast, predation theory makes more sense.

  Secondly, as for the decline of other small sea mammals, the professor refutes that it can also be explained by the presence of predator-orcas, which probably start hunting small sea mammals, including seals, sea lions and sea otters, instead of whales that have disappeared due to human hunting. Therefore, the author’s viewpoint is flawed.

  Finally, the professor believes the predation theory can better explain the uneven pattern of the decline than pollution hypothesis, because orcas, a type of large size whale, cannot access shallow or rocky areas, which are the exact locations where sea otters have not disappeared. By contrast, the author’s idea that uneven concentrations of pollutants caused by ocean currents and other environmental factors result in the uneven sea otter decrease seems unconvincing.

  In sum, the author’s opinions toward sea otter decline are totally disproved by the professor.

  以上就是关于“托福写作sea otter Decline题目练习”的内容,希望通过上述内容的学习,大家能够更好的掌握这些内容,提升写作水平。


展开显示全文