| 句子 | 作用 | 内容点评 | 语言点评 |
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According to the letter, there exists a significant decline in the number of amphibians for the two studies of amphibians in XNP. The author accliams that the decilne is result form the introduction of trout into the park's waters.
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According to the letter, a singnificant decline has in the number of amphibians has been shown in two studies in XNP.
The author claims that the decline results from the introduction of ....
| 概括题目 | | exists 选词
for two studies表达
acclaims- 选词
is result 动词形式
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| To evulate the argument critically, we need to explore alternative explanations for the results of two studies. | 主旨句 |
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First, given the fact there is a decline in the number of amphibians of the two studies, the author believes that the number of amphibians has decreased in the past few years.
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First, given the fact there is a decline in the number of amphibians observed in the two studies, the author believes that the number of amphibians has decreased in the past few years. | 重述文章的事实与解释 | | number of .. observed in the two studies |
| But there might be other explanations for the results of the two studies. | 主题句 | | |
For example, the first study was conducted in the summer of 1975 in which the amphibians were active and can easily be seen.
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For example, the first study was conducted in the summer of 1975 in which the amphibians were active and could be easily seen. | 解释可能性1 | | could be conducted注意情态动词的使用
be easily seen |
| While the second study was conducted in the winter of 2002 when amphibians were not that active and hided in some palces. | 接上讨论 | | |
In cases like this, the results of the two studies are not accurate and realiable.
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In cases like this, neither of the studies are accurate and we can not compere the result of the two studies. | 提出对原文推理的影响 | 这里要强调两个结果不可比 | |
We can not conclude that there exits a decline in the number of amphibians.
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We can not conclude that there exit/is a decline in the number of amphibians. | 总结 | | exist 拼写 选词 |
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| Secondly, even we assume that the number of amphibians did decrease in the past few years, such decline may not result from the introduction of trout. | 指出有其他的解释 | | |
There are many environmental factors, such as the temperature and disease, can infulence the survival of amphibians.
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Many environmental factors, such as the temperature and disease, can infulence the survival of amphibians. | 主题句 | | that can 严重句子结构问题 |
For example, the tempeature has increased significantly since 1975, which made many amphibians hard to survive.
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For example, the tempeature could have increased significantly since 1975, which made many amphibians hard to survive. | 可能性1 | | could have increased 注意情态动词使用
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情态动词,表虚拟,描述过去没发生但可能发生的事情 |
| It is possible that in one year between 1975 and 2002 a disease which can kill amphibians occured in the park and caused the death of many amphibians. | 可能性2 | | |
In cases like this, the decline is resulted from environmental factors rather than the introduction of trout.
| 总结 | | resulted from
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| In additon, artifical factors, such as the change of feeding habitat and living environment in the park, can cause the decline of amphibians. | 主题句 | | 不懂什么叫articificial factor
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human factor 人为因素 |
| For example, to save money, the amphibians were feed less frequently than in 1975, which cause starve of some amphibians. | 可能性1 | 这个是park 不是 zoo | starvation
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starve V
starvation N |
| And these starve amphibians could hardly feed themselves and died later. | 解释可能性1 | | starving
might die |
| It is possible that the environment in whic these amphibians lives was changed by people who made a new arrangement of the park. | 接上 | | made a new arrangement不懂 需要提供具体细节 |
| And some amphibians could not easily adopt to the new environmet and died later. | 可能性2 | | adapt
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adapt:适应改编
adopt:采取接受
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In cases like this, the decline is result from artifical factors rather than the introduction of trout.
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In cases like this, the decline might result from artifical factors rather than the introduction of trout.
| 总结 | | might result from
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情态动词,对故去的事情的假设 |
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| In conclusion, there are many alternative explanations for the decline of the decline of amphibians. | 呼应题目 | | |
| We need to investigate the natural and artifical factor to find the real reason for the decline. | 重述主题句 | | |