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本帖最后由 tesolchina 于 2015-8-7 09:01 编辑
Argument91
3 years ago, because of flooding at the Western Palean Wildlife Preserve, 100 lions and 100 western gazelles were moved to the East Palean Preserve, an area that is home to most of the same species that are found in the western preserve, though in larger numbers, and to the eastern gazelle, a close relative of the western gazelle. The only difference in climate is that the eastern preserve typically has slightly less rainfall. Unfortunately, after 3 years in the eastern preserve, the imported western gazelle population has been virtually eliminated. Since the slight reduction in rainfall cannot be the cause of the virtual elimination of western gazelle, their disappearance must have been caused by the larger number of predators in the eastern preserve.
Write a response in which you discuss what specific evidence is needed to evaluate the argument and explain how the evidence would weaken or strengthen the argument.
结论:their disappearance must have been caused by the larger number of predators in the eastern preserve.
论据:1. East Palean Preserve, an area that is home to most of the same species that are found in the western preserve, though in larger numbers, and to the eastern gazelle, a close relative of the western gazelle.
2. The only difference in climate is that the eastern preserve typically has slightly less rainfall. Since the slight reduction in rainfall cannot be the cause of the virtual elimination of western gazelle.
The author argued that the elimination of western gazelle must have been caused by lager number of predators in the eastern because the eastern preserve has similar species as the western preserve and the only difference in climate between these two preserves is the amount of rainfall. To evaluate the argument, more information about the influence of rainfall in climate, the structure of creatures in eastern preserve and habitats’ conditions of eastern gazelle need to be exploited.
exploited - collected
structure of creatures不懂你的意思
First, the author had better make more researches about the effects of distinctive rainfalls on climates and environments. As we know, one false step will make a big difference. Although the distinction in rainfall between the two preserves is puny, it can also make prodigious variances in environment, like nutrition of plants and features of soils. Considering less rainfall in the eastern preserve, it’s reasonable to surmise that plants in the eastern preserve are lack of enough nutrition for western gazelle, which leading the death of western gazelle. Thus, it’s not valid, as the author speculated, to say that slight difference in rainfall wouldn't produce lethal harmful to western gazelle.
one false step不懂
distinction- puny?
which leading 句子结构
it’s not valid注意hedging
In addition, more messages about creatures’ structures in the eastern preserve are significant in the evaluation. Because even the number of predators is lager in the eastern preserve, it's also possible to have more eastern gazelle than the western gazelle as their prey. Otherwise, these predators would not have enough food before western gazelle moved here. In this way, the larger number of predators isn't virtual reason to cause the elimination of western gazelle. Because by feeding on the eastern gazelle originally, these predators already have enough food.
more messages about creatures’ structures in the eastern preserve are significant 整句修改 选词与表达
because后面整句都是原因 句子结构
otherwise 前后 看不懂你的逻辑
What's more, it's necessary to find out the habitats’ conditions of eastern gazelle to assess the argument. In my opinion, it's possible that there are limited habitats for gazelle. If it’s true, the limited habitats must have been occupied by eastern gazelle which were more familiar to the land. As a result, these imported western gazelle wouldn't have sufficient habitats to live and feed. No wonder they died totally after three years. In this case, it’s the competition other than predators that killed all western gazelle.
In my opinion,不要出现这种表达
limited habitats 不懂你的意思 (limited space)
competition for space
这篇有点难写 涉及很多生词表达
Above all, I think more information about the effects of rainfall on environment, creatures’ structure in the eastern preserve and the conditions of eastern gazelle’s habits have to be provided by the author to make the argument more compelling.
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