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发表于 2010-4-24 07:44:11 |只看该作者 |倒序浏览
老规矩~~~
* 4月25日,13点之前上交ARGUMENT45,作文直接跟帖,修改直接跟帖,不用另开新帖~
* 要求每篇argument附上逻辑链
* 欢迎在本贴内讨论+BS本期题目~

【Argument51情况汇报】
目前有5位同学交了作业,2位同学被修改,请没完成的同学加油补上,防止越积越多~
PS. 大家加油改啊!!!取长补短!!!争取我们被改动的地方越来越少!!!

总贴地址     F组素材积累库地址


45The following appeared as an editorial in a wildlife journal.

"Arctic deer live on islands in Canada's arctic region. They search for food by moving over ice from island to island during the course of a year. Their habitat is limited to areas warm enough to sustain the plants on which they feed, and cold enough, at least some of the year, for the ice to cover the sea separating the islands, allowing the deer to travel over it. Unfortunately, according to reports from local hunters, the deer populations are declining. Since these reports coincide with recent global warming trends that have caused the sea ice to melt, we can conclude that the decline in arctic deer populations is the result of deer being unable to follow their age-old migration patterns across the frozen sea."


附:改作文指南 by 最後の使徒
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沙发
发表于 2010-4-24 12:31:09 |只看该作者
逻辑:
1.猎人的报告不可靠
2.全球变暖不能够说明该地区的冰融化
3.该地区的冰融化不能说明鹿的数量减少
4.就算鹿的数量减少也应该有其他原因
1+2+3+4反驳原论点

In this argument, the author asserts that the reason of the decline in arctic deer populations is the recent global warming, which bring about the sea ice to melt. At first glance, the argument might be somehow reasonable, but close scrutiny reveals that it contains several erroneous logical relations and is therefore unpersuasive.

First, the reports from local hunters that the deer populations are declining is like the students said that the phenomenon of absenteeism is reduced, which is not credible. The reports from hunters are based on observation and experience which is intuitive but unsound. So the study should adopt some scientists or environmentalists’ opinion that is more objective, scientific and discretion.

Second, there is no reference about the local climate in the argument, perhaps the global warming has no effect on this area, and there is no evidence indicates the sea ice is really melted. So the author gives a impractical assumption made the argument unreliable.

Third, even assuming the sea ice was melted by the global warming, the author still neglect to consider whether the melting of sea ice in Canada's arctic region impede arctic deer to find enough food. Might deer has other way to get to the areas warm enough to sustain the plants on which they feed. Or there are some areas proper for deer without the help of the sea ice. In additions, it is also possible that deer can find other alternative plant that grows in the areas where they can reach easily.

Finally, even concede the populations of deer in this area are really declined; the author fails to consider other possible alternative explanation for the decreasing deer populations. Perhaps the hunters’ over hunting that lead the deer’s decreasing populations, or perhaps there is a serious epidemic disease among the deer, which kills a large number of deer and spread quickly; and therefore, the deer population decreased.

In sum, the author’s conclusion about the arctic deer populations decreasing coursed by the global warming is not well supported as it stands. To bolster it, the author must provide more evidence such as the opinion of scientists or environmentalists and the further observation in Canada's arctic region. It could be further improved by ruling all the alternatives accounting for the declining of deer.
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板凳
发表于 2010-4-24 22:46:59 |只看该作者
本帖最后由 lxin333 于 2010-4-24 22:48 编辑


不能归咎于温室效应 没证据说明该地区冰融化,deer减少也可能是plant被吃光了或者污染了或者。。。
只根据Local hunters的reports不可靠,hunters没有专业的统计知识,还有可能只是该地区减少了,或者。。。
再者,不能推广到全北极区域上deer总体数目减少。


In this argument, the author draws the conclusion that the decline in arctic deer populations is the result of deer being unable to follow their age-old migration patterns across the frozen sea from a hasty generalization. The conclusion suffers from several problems, which render it unconvincing as it stands.

First of all, the author’s falsely imputes the decline in arctic deer populations to the global warming trends. There is no evidence that the global warming leads to the melt of ice in this region, nor to mention the arctic deer's age-old migration patterns across the frozen sea is messed. It is very likely that the plant which the arctic feed on have been greatly reduced or even extinct for several reasons, for examples, the severe contamination of the soil where the plants are grown, the epidemic among the species group, the intra specific competition, the natural enemies' migration to these region recently and so forth. Thus, lacking reliable evidence that the global warming trends are responsible to the decline of deer population.

Secondly, the conclusion that the decline in arctic deer populations is the result of deer being unable to follow their age-old migration patterns across the frozen sea based on the inaccurate reports of the local hunters is unsubstantiated. The author fails to take into account the hunters may not have enough statistical knowledge to ensure the accuracy of the report about the decline of deer population. There still remain another possibility which the author hasn’t noticed --- maybe the frequency and regularity of hunting is realized by the deer, and then the deer pay more attention to avoid being found by the local hunters. Factors like this make the process of acquiring an exact data tough, so the author's conclusion is a fallacy without ruling out all the influencing factors.

Last but not least, even assuming the reports is reliable. The author cannot claim that the deer population in the whole arctic region has declined. The author hasn’t provided more detailed information about the reports from local hunters. It is entirely possible that the place where the hunters live in is a small and unrepresentative region. In another words, maybe the deer which the hunters saw is just a small part of the whole species group of arctic deer.

To summarize, the author cannot convince me of the conclusion that the decline in arctic deer populations is the result of deer being unable to follow their age-old migration patterns across the frozen sea. To better evaluate the conclusion, the author must provide more detailed information about the global warming trend, the melt of ice in the region.
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发表于 2010-4-24 23:33:43 |只看该作者
本帖最后由 carol.lj 于 2010-4-25 00:33 编辑

逻辑:
1鹿的数量不一定下降了,可能存在偶然性,刚好那天猎人看到的鹿少了。原因有:鹿灵敏度高,躲藏起来了;它们的生活习性改变了,不在那个地方了。
2虽然全球变暖和猎人发现鹿的数量变少的报告同时发生,但两者间并没有必然的联系,所以不能武断地判断两者是因果关系。
3即使全球变暖是一个事实,但也不一定是因为无法穿越,没有说以前越的地方现在不结冰了。有可能以前穿越的地方温度非常低,即使变暖了也可以结冰。
4鹿的数量变少的其他因素。
            The author of the editorial draws a conclusion that the reported population of arctic deer in Canada decline is the result of global warming. The opinion seems to be persuasive at first glance. However, there are several fallacies in the argument’s logic we should seriously take into consideration.

            Firstly, as the argument state, the deer populations are declining, which is according to the reports from local hunters, is it persuasive? The answer is obviously dubious. As indicated in the argument, it comes from local hunters.Maybe, on one hand, when the hunters capture the deer, most of the deer have hided hinged on olfactory sensitivity and intelligence . Naturally, there is litter for hunters to find , or no matter of . On the other hand, their habits change a lot, this is to say, their living environment has a hung change .so the age-old migration patterns have done the same. So it is not less possible that some deer just have moved out of their region which gives them the opinion that the population has declined.

            Even if the fact that deer reduce really exists, and these repots coincide with recent global warming trends that have caused the ice to melt. Based on this fact, can we conclude that the declined in the arctic deer populations is the result of deer being unable to follow their age-old migration patterns patterns across the frozen sea? Obviously, there is not inevitable connection between deer decline and global ,although they occur at the same time. Thus the assertions will lose grand.
         
            Even too the recent global warming exists. It is obviously that global warming doesn’t mean the arming tendency of everywhere. Even assuming the climate in Canada is becoming warmer, as also mentioned in the argument that the deer’s habitat is limited to areas warm enough to sustain the plants on which they feed, perhaps the habitat of Arctic deer is expanded due to the warming tendency , as some of the arctic areas may be too cold for plants to grow. Unless there is substantial evidence that the habitat of the deer has decreased. It is doubtful whether its population will decline.
        
           Finally, granted that the population of arctic deer is indeed declining, it is superficial just because of the coincidence of their happening. There are many other possible explanations for the decline of the population of these deer. Such as the pollution of environment , the ecological balance and alien species invasion as well. So there is no evidence to bolster the assumption .

           In sum, as it stands the argument is wholly unpersuasive. To bolster it the author must show that the reports form local hunters is not incidental. To better assess the argument it would be useful to know more information about the relationship between global warming and deer population.

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发表于 2010-4-24 23:35:43 |只看该作者
本帖最后由 悦微微志燮 于 2010-4-24 23:45 编辑

1.报告没有说服力,采样数量小
2.减少与全球变暖关系的不确定性
3.其他原因

In this argument, the author concludes that the decline in arctic deer populations is the result of deer being unable to follow their age-old migration patterns across the frozen sea. Even if the author's reasoning seem to attractive, we may still perceive that this argument rests on a series of unconfirmed assumptions, and is therefore unconvincing as it stands.

First, this argument involves in a problem that how many hunters report and how can we believe the hunters' reports are credible. The smaller the number of hunter, the lesser reliable the report. Maybe the arctic deer moved to another place and the hunter just see a very little group of them. Hunters couldn't offer us a very accurate data about the number of respondents and reliable information.

Secondly, another problem with this argument is that the author commits a fallacy of causal coinstantaneous between the decline in arctic deer populations and recent global warming trends in assuming that global warming trends is the one and only reason behind deer population decline. Nevertheless the evidence offered is deficient to support the assertion: a simple positive correlation between deer population decline and global warming trends does not essentially prove a causal relationship. Perhaps temperature in arctic decreased, while the average temperature around the world increased.

Finally, the author commits a fallacy of causal oversimplification in assuming that deer unable to follow their age-old migration patterns across the frozen sea caused the decline of deer populations. However, this assumption is baseless. To set up a general causal relationship, other factors that could result decline of deer populations should be deliberated. For instance, perhaps hunters were more likely hunting a large number of deer. Or perhaps number of deer's natural enemy has increased .

In sum, unless the author provides other factors for decline of deer populations, the conclusion is vastly suspect. To sum up, the author's conclusion reached in this argument is scant of credibility since the evidence cited in the analysis does not offer strong support to what the arguer assertion. To enrich the evidence the author must show an accurate data of hunters who reports the decline of deer population, and provide particular information about the hunters. To bolster this conclusion the author should eliminate other factors about for decline of deer population. Otherwise, the argument would be highly unacceptable.
TRY MY BEST!~~~
Hey America~~~

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发表于 2010-4-25 12:34:21 |只看该作者
本帖最后由 lynnuana 于 2010-4-25 22:03 编辑

recent global warmingtrends-->sea ice melt--> deer unable to follow thetraditional  migration pattern across the frozen sea—> deerpopulation decline
The arguer attributes the reason for the decline of arctic deer population to therecent global warming tendency in this editorial. However, since climate changecannot be seen as the sole source of descent of certain species, his conclusionseems untenable as it stands.

First of all, the reports from the local hunters are not a reliable andsufficient proof to sustain that the quantity of the arctic deer is
absolutelydecreasing,because thesereports are not a systematic investigation report through a long-timeobservation and statistics gathered towards the Canadian arctic deer. Ascientific and comprehensive research could help the public to estimate whetherthe decrease will exist for a long period or is merely temporary, as well asdetermine whether some emergent measures would be offered to protect thisspecies or not. Therefore, more powerful evidence shall be provided,rather than just the hunters’ reports.

Assuming that the population of arctic deer is truly declining, the recentglobal warming
is probably not an immediate reason. On the one hand, ifrecent global warming trends would certainly cause the sea ice to melt, no evidence reveals that the sea ice in Canadian arctic region is affected or that the long-time frozenice in this area is too thin to melt so quickly. On the other hand, theassertion that the deer is unable to maintain their traditional migration stylefrom island to island is still open to doubt. The arguerillustrates that thiskind of deer transfer across the frozen sea during the course of a year. It is probably that the sea ice is meltedin the warm period when the arctic deer do not need to move to other island inquest of plants. Consequently,it is highly suspectedwhether there is a cause-effect relationship between the global warming and thequantity of arctic deer.

Then what actually result in a decline of the population of the arctic deer? Ifthe disappearance of arctic sea ice did
impact the deer to change theirhabits, especially the age-old migration patterns, is it the real reason? Theanswer would probably be no. The arguer indicates that the hunters have not stopped hunting deeryet.This may bethe main reason lead to the constant decreasing of the deer. Moreover, the increment of the native predators such as wolves, sea bears and other carnivores could beanother potential which affects the population of the deer.

To sum up,
it is arbitrary for the arguer to establish the relationshipbetween the global warming trends and the decline of population of Canadian arctic deer.The global warming tendency may be one reason influencing the quantity of the deer;however, more detailed information, as mentioned above, must be provided to maintainhis conclusion.
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发表于 2010-4-25 20:43:47 |只看该作者
3# lxin333

红色:小词或补充  蓝色:句子  括号:点评 加粗:主题句子 下划线:标记 粉色:学习

In this argument, the author draws the conclusion that the decline in arctic deer populations is the result of deer being unable to follow their age-old migration patterns across the frozen sea from a hasty generalization. The conclusion suffers from several problems, which render it unconvincing as it stands.

First of all, the author’s falsely imputes the decline in arctic deer populations to the global warming trends. There is no evidence that the global warming leads to the melt of ice in this region, nor to mention the arctic deer's age-old migration patterns across the frozen sea is messed. It is very likely that the plant which the arctic feed on have been greatly reduced or even extinct for several reasons, for examples, the severe contamination of the soil where the plants are grown(grow), the epidemic among the species group, the intra specific competition, the natural enemies' migration to these region recently and so forth. Thus, lacking reliable evidence that the global warming trends are responsible to the decline of deer population.

Secondly, the conclusion that the decline in arctic deer populations is the result of deer being unable to follow their age-old migration patterns across the frozen sea based on the inaccurate reports of the local hunters is unsubstantiated. The author fails to take into account the hunters may not have enough statistical knowledge to ensure the accuracy of the report about the decline of deer population. There still remain another possibility which the author hasn’t noticed --- maybe the frequency and regularity of hunting is realized by the deer, and then the deer pay more attention to avoid being found by the local hunters. Factors like this(these?) make the process of acquiring an exact data tough, so the author's conclusion is a fallacy without ruling out all the influencing factors.

Last but not least, even assuming the reports is reliable.(,?) The author cannot claim that the deer population in the whole arctic region has declined. The author hasn’t provided more detailed information about the reports from local hunters. It is entirely possible that the place where the hunters live in is a small and unrepresentative region. In another words, maybe the deer which the hunters saw is just a small part of the whole species group of arctic deer.

To summarize, the author cannot convince me of the conclusion that the decline in arctic deer populations is the result of deer being unable to follow their age-old migration patterns across the frozen sea. To better evaluate the conclusion, the author must provide more detailed information about the global warming trend, the melt of ice in the region.

Awesome writing!!没有阅读障碍,读着非常流畅~很多词句用法要向你学习~~~
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发表于 2010-4-25 21:21:41 |只看该作者
4# carol.lj

红色:小词或补充  蓝色:句子  括号:点评 加粗:主题句子 下划线:标记 粉色:学习

            The author of the editorial draws a conclusion that the reported population of arctic deer in Canada decline is the result of global warming. The opinion seems to be persuasive at first glance. However, there are several fallacies in the argument’s logic we should seriously take into consideration.

            Firstly, as the argument state, the deer populations are declining, which is according to the reports from local hunters, is it persuasive? The answer is obviously dubious. As indicated in the argument,(上句用了这个用法,有点重复) it comes from local hunters.Maybe, on one hand, when the hunters capture the deer, most of the deer have hided hinged on olfactory sensitivity and intelligence . Naturally, there is litter for hunters to find , or no matter of (不太明白这句加上的意思,觉得上半句已经很完整了). On the other hand, their habits change a lot, this is to say(that is to say?), their living environment has a hung change.(可否换成:their habits or their living environment has changed a lot?)so the age-old migration patterns have done the same(have the same effect?).(这句似乎要重组一下,不明白意思~)   So(与上句重复) it is not less(?没见过这样的说法~~) possible that some deer just have moved out of their region which gives them(指代不明)
the opinion
that the population has declined.(这句作为这段的结尾句似乎没有较好的总结本段的意思~)


            Even if the fact that deer reduce really exists, and these repots coincide with recent global warming trends that have caused the ice to melt.(,?上句缺少主语) Based on this fact,(多余~) can we conclude that the declined in the arctic deer populations is the result of deer being unable to follow their age-old migration patterns across the frozen sea? Obviously, there is not inevitable connection between deer decline and global(不太平衡的对应--deer decline vs global what?) ,although they occur at the same time(多). Thus the assertions will(would,will是将要不做情态动词) lose grand.
         
            Even too(一般用在句尾?) the recent global warming exists.(,又是主从句被句号隔开了) It is obviously that global warming doesn’t mean the arming tendency of everywhere.
Even(重复上句) assuming the climate in Canada is becoming warmer, as(?) also mentioned in the argument that the deer’s habitat is limited to areas warm enough to sustain the plants on which they feed, perhaps the habitat of Arctic deer is expanded due to the warming tendency , as some of the arctic areas may be too cold for plants to grow.(句式杂糅,有点难懂~~) Unless there is substantial evidence that the habitat of the deer has decreased.(第三次这个问题--主从句被句号隔开了) It is doubtful whether its population will decline.

        
           Finally, granted that the population of arctic deer is indeed declining, it is superficial just because of the coincidence of their happening.(it is superficial that blabla~~) There are many other possible explanations for the decline of the population of these deer.(前后两句是一句话被句号隔开了) Such as the pollution of environment , the ecological balance and alien species invasion as well. So there is no evidence to bolster the assumption .

           In sum, as it stands the argument is wholly unpersuasive. To bolster it the author must show that the reports form local hunters is not incidental. To better assess the argument it would be useful to know more information about the relationship between global warming and deer population.

感觉需要多研究下句式~~草木斑竹的SPECTACULAR 之【SU & SY SO】不知道会不会有帮助~~
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发表于 2010-4-25 21:32:32 |只看该作者
本帖最后由 lynnuana 于 2010-4-25 21:34 编辑

5# 悦微微志燮

In this argument, the author concludes that the decline in arctic deer populations is the result of deer being unable to follow their age-old migration patterns across the frozen sea. Even if the author's reasoning seem to attractive, we may still perceive that this argument rests on a series of unconfirmed assumptions, and is therefore unconvincing as it stands.

First, this argument involves in a problem(problems?) that how many hunters report and how can we believe the hunters' reports are credible. The smaller the number of hunter, the lesser reliable the report. Maybe the arctic deer moved to another place and the hunter just see a very little group of them. Hunters couldn't offer us a very accurate data about the number of respondents and reliable information.

Secondly, another problem with this argument is that the author commits a fallacy of causal coinstantaneous between the decline in arctic deer populations and recent global warming trends in assuming that global warming trends is the one and only reason behind deer population decline. Nevertheless the evidence offered is deficient to support the assertion:(,?) a simple positive correlation between deer population decline and global warming trends does not essentially prove a causal relationship. Perhaps temperature in arctic decreased, while the average temperature around the world increased.

Finally, the author commits a fallacy of causal oversimplification in
assuming that deer unable to follow their age-old migration patterns across the frozen sea caused the decline of deer populations.
However, this assumption is baseless. To set up a general causal relationship, other factors that could result decline of deer populations should be deliberated(删?). For instance, perhaps hunters were(为什么用过去式?) more likely hunting a large number of deer. Or perhaps number of deer's natural enemy has increased .

In sum, unless the author provides other factors for decline of deer populations, the conclusion is vastly suspect. To sum up, the author's conclusion reached in this argument is scant of credibility since the evidence cited in the analysis does not offer strong support to what the arguer assertion. To enrich the evidence the author must show an accurate data of hunters who reports the decline of deer population, and provide particular information about the hunters. To bolster this conclusion the author should eliminate other factors about for decline of deer population. Otherwise, the argument would be highly unacceptable.
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发表于 2010-5-7 23:32:35 |只看该作者
本帖最后由 carol.lj 于 2010-5-8 01:03 编辑

改微微

In this argument
the author concludes that the decline in arctic deer populations is the result of deer being unable to follow their age-old migration patterns across the frozen sea. Even if the author's reasoning seem to attractive, we may still perceive that this argument rests on a series of unconfirmed assumptions, and is therefore unconvincing as it stands.

First, this argument involves in a problem that how many hunters report and how can we believe the hunters' reports are credible. The smaller the number of hunter, the lesser reliable the report. Maybe the arctic deer moved to another place and the hunter just see a very little group of them. Hunters couldn't offer us a very accurate data about the number of respondents and reliable information.

Secondly,
another problem with this argument is that the author commits a fallacy of causal coinstantaneous between the decline in arctic deer populations and recent global warming trends in assuming that global warming trends is the one and only reason behind deer population decline.
Nevertheless the evidence offered is deficient to support the assertion: a simple positive correlation between deer population decline and global warming trends does not essentially prove a causal relationship. Perhaps temperature in arctic decreased, while the average temperature around the world increased.

Finally, the author commits a fallacy of causal oversimplification in assuming that deer unable to follow their age-old migration patterns across the frozen sea caused the decline of deer populations. However, this assumption is baseless. To set up a general causal relationship, other factors that could result decline of deer populations should be deliberated. For instance, perhaps hunters were more likely hunting a large number of deer. Or perhaps number of deer's natural enemy has increased .

In sum, unless the author provides other factors for decline of deer populations, the conclusion is vastly suspect.
(删???后面有个to sum up 这个总结的词)To sum up, the author's conclusion reached in this argument is scant of credibility since the evidence cited in the analysis does not offer strong support to what the arguer assertion. To enrich the evidence the author must show an accurate data of hunters who reports the decline of deer population, and provide particular information about the hunters. To bolster this conclusion the author should eliminate other factors about for decline of deer population. Otherwise, the argument would be highly unacceptable.(考滤得很全面)

读着很流畅,没什么错误,条理很清楚,用词也很逻辑。

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发表于 2010-5-7 23:53:18 |只看该作者
2# xmaszzt
In this argument, the author asserts that the reason of the decline in arctic deer populations is the recent global warming, which bring(brings?) about the sea ice to melt. At first glance, the argument might be somehow reasonable, but close scrutiny reveals that it contains several erroneous logical relations and is therefore unpersuasive.

First, the reports from local hunters that the deer populations are declining is like the students said that the phenomenon of absenteeism is reduced, which is not credible. The reports from hunters are based on observation and experience which is intuitive but unsound. So the study should adopt some scientists or environmentalists’ opinion that is more objective, scientific and discretion.


Second, there is no reference about the local climate in the argument, perhaps the global warming has no effect on this area, and there is no evidence indicates(indicating?) the sea ice is really melted. So the author gives a impractical assumption made(前面有gives,两个动词?) the argument unreliable.

Third, even assuming the sea ice was melted by the global warming, the author still neglect(neglects) to consider whether the melting of sea ice in Canada's arctic region impede arctic deer to find enough food. Might deer has other way to get to the areas warm enough to sustain the plants on which they feed. Or there are some areas proper for deer without the help of the sea ice. In additions, it is also possible that deer can find other alternative plant that grows in the areas where they can reach easily.

Finally, even concede the populations of deer in this area are really declined; the author fails to consider other possible alternative explanation for the decreasing deer populations. Perhaps the hunters’ over hunting that lead the deer’s decreasing populations, or perhaps there is a serious epidemic disease among the deer, which kills a large number of deer and spread quickly; and therefore, the deer population decreased.

In sum, the author’s conclusion about the arctic deer populations decreasing coursed by the global warming is not well supported as it stands. To bolster it, the author must provide more evidence such as the opinion of scientists or environmentalists and the further observation in Canada's arctic region. It could be further improved by ruling all the alternatives accounting for the declining of deer.
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发表于 2010-5-8 01:04:24 |只看该作者
The arguer attributes the reason for the decline of arctic deer population to the recent global warming tendency in this editorial. However, since climate change cannot be seen as the sole source of descent of certain species,(觉得起始段不需要称述错误,只用描述原命题表明自己立场就好了) his conclusion seems untenable as it stands.

First of all, the reports from the local hunters are not a reliable and sufficient proof to sustain that the quantity of the arctic deer is absolutely decreasing, because these reports are not a systematic investigation report through a long-time observation and statistics gathered towards the Canadian arctic deer.
A scientific and comprehensive research could help the public to estimate whether the decrease will exist for a long period or is merely temporary, as well as determine whether some emergent measures would be offered to protect this species or not. Therefore, more powerful evidence shall be provided, rather than just the hunters’ reports.
(论述论据的缺陷,学习长句的表达,自己写很容易写的很少)

Assuming that the population of arctic deer is truly declining, the recent global warming is probably not an immediate reason. On the one hand, if recent global warming trends would certainly cause the sea ice to melt, no evidence reveals that the sea ice in Canadian arctic region is affected or that the long-time frozen ice in this area is too thin to melt so quickly. (
论述以全概偏的错误) On the other hand, the assertion that the deer is unable to maintain their traditional migration style from island to island is still open to doubt. The arguer illustrates that this kind of deer transfer across the frozen sea during the course of a year. It is probably that the sea ice is melted in the warm period when the arctic deer do not need to move to other island inquest of plants. Consequently, it is highly suspected whether there is a cause-effect relationship between the global warming and the quantity of arctic deer. (指出冰川融化和鹿数量减少没有因果关系)

Then what actually result in a decline of the population of the arctic deer?
(觉得这里做一个让步比较好…:就算鹿的数量真的减少了) If the disappearance of arctic sea ice did impact the deer to change their habits, especially the age-old migration patterns, is it the real reason? The answer would probably be no. The arguer indicates that the hunters have not stopped hunting deer yet. This may be the main reason lead(删)
to the constant decreasing of the deer. Moreover, the increment of the native predators such as wolves, sea bears and other carnivores could be another potential which affects the population of the deer.(指出鹿数量减少的其他可能性)

To sum up, it is arbitrary for the arguer to establish the relationship between the global warming trends and the decline of population of Canadian arctic deer. The global warming tendency may be one reason influencing the quantity of the deer; however, more detailed information, as mentioned above, must be provided to maintain his conclusion.


基本所有的错误都说明到了,也举了适当的反例。。学习句子的表达和词语的使用。。

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