argument47

jenniferganUID: 2443583

TOPIC: ARGUMENT47 - Scientists studying historical weather patterns have discovered that in the mid-sixth century, Earth suddenly became significantly cooler. Although few historical records survive from that time, some accounts found both in Asia and Europe mention a dimming of the sun and extremely cold temperatures. Either a huge volcanic eruption or a large meteorite colliding with Earth could have created a large dust cloud throughout Earth's atmosphere that would have been capable of blocking enough sunlight to lower global temperatures significantly. A large meteorite collision, however, would probably create a sudden bright flash of light, and no extant historical records of the time mention such a flash. Some surviving Asian historical records of the time, however, mention a loud boom that would be consistent with a volcanic eruption. Therefore, the cooling was probably caused by a volcanic eruption.
WORDS: 395          TIME: 00:35:37          DATE: 2008-3-29 23:27:50

The author asserts that the cooling in the mid-sixth century was caused by a volcanic eruption for the following reasons: first, a dimming of the sun and extremely cold temperatures was accounted in Asia and Europe; second, only a huge volcanic eruption or a large meteorite colliding with earth could created such a large dust cloud throughout Earth's atmosphere; third, a large collision probably create a sudden bright flash of loght, but no historical records of the time mention that. In my point of view, the author was too presumptuous to come to the conclusion. There are many alternatives the autore does not considered, I will discuss them in turn.

To begin with, it is not cogent that the scientists studying was right because they does not supply any convincing reasons. The record in Asia and Europe cannot stand for the situation of the whole earth. Maybe it was just happened in these two continent. And there is another possibility that the accounts is not accurate. Because so many years later, the accounts can be recorded by some people after that time wrongly.

Furthermore, assuming the accouonts is accurate, there is no evidence to show that only a huge volcanic eruption or a large meteorite colliding with earth could created such a large dust cloud throughout Earth's atmosphere which have been capable of blocking enough sunlight to lower golbal temperature. How can we say only a huge volcanic eruption or a large meteorite colliding with earth could result such situation? Perhaps there are some other cases can result in it, for example, the sudden change of weather.

Even the couses is as the author says, I still cannot agree with that it is caused by a volcanic eruption. There are many reasons for me. No extant historical records of the time mention the flash, maybe they just did not record it, but it cannot to say it is the fact that there did not exsit such a flash.  

In  conclusion, the author does not give reasonable evidence to show that it is caused by a volcanic eruption. To stregthen his or her view, the author should do more research on the issue. First, he or she must give persuasive proofs such as the causes of diming of  the sun; then provide us detailed ducuments about the volcanic eruption and meteorite collision at the same time.  

guoshishuoUID: 2467577

The author asserts that the cooling in the mid-sixth century was caused by a volcanic eruption for the following reasons: first, a dimming of the sun and extremely cold temperatures was accounted in Asia and Europe; second, only a huge volcanic eruption or a large meteorite colliding with earth could created such a large dust cloud throughout Earth's atmosphere; third, a large collision probably create a sudden bright flash of loght, but no historical records of the time mention that. In my point of view, the author was too presumptuous to come to the conclusion. There are many alternatives the autore does not considered, I will discuss them in turn.

To begin with, it is not cogent that the scientists studying was right because they does(do) not supply any convincing reasons. The record in Asia and Europe cannot stand for the situation of the whole earth. Maybe it (was) just happened in these two continents. And there is another possibility that the accounts is not accurate. Because so many years later, the accounts can(may have) be(been) recorded by some people after that time wrongly.(这句话意思有点模糊，最好改一下）

Furthermore, assuming the accouonts is accurate, there is no evidence to show that only a huge volcanic eruption or a large meteorite colliding with earth could created such a large dust cloud throughout Earth's atmosphere which have been capable of blocking enough sunlight to lower golbal temperature. How can we say only a huge volcanic eruption or a large meteorite colliding with earth could result such situation? Perhaps there are some other cases can result in it, for example, the sudden change of weather.

Even the couses（？） is （are)as the author says, I still cannot agree (with) that it is caused by a volcanic eruption. There are many reasons for me. No extant historical records of the time mention the flash, maybe they just did not record it, but it cannot (is not)to say it is the fact that there did not exsit such a flash.  

In  conclusion, the author does not give reasonable evidence to show that it (the sudden cooling)is caused by a volcanic eruption. To stregthen his or her view, the author should do more research on the issue. First, he or she must give persuasive proofs such as the causes of dimming of  the sun; then provide us detailed ducuments about the volcanic eruption and meteorite collision at the same time.  
最好每段再分析的深入一些

rienziUID: 2402391

The author asserts that the cooling in the mid-sixth century was caused by a volcanic eruption for the following reasons: first, a dimming of the sun and extremely cold temperatures was accounted in Asia and Europe; second, only a huge volcanic eruption or a large meteorite colliding with earth could created[create] such a large dust cloud throughout Earth's atmosphere; third, a large collision probably create[created] a sudden bright flash of loght[light], but no historical records of the time mention[mentioned] that. In my point of view, the author was too presumptuous to come to the conclusion. There are many alternatives the autore[author] does not considered[consider],[这里是不是要添个and] I will discuss them in turn.
To begin with, it is not cogent that the scientists[scientists'] studying[用study不行吗] was right because they does not supply any convincing reasons. The record in Asia and Europe cannot stand for the situation of the whole earth. Maybe it was[应该去掉was吧?] just happened in these two continent[continents]. And there is another possibility that the accounts is not accurate. Because so many years later, the accounts can[应该用could?] be recorded by some people after that time wrongly.
Furthermore, assuming the accouonts is accurate, there is no evidence to show that only a huge volcanic eruption or a large meteorite colliding with earth could created[create] such a large dust cloud throughout Earth's atmosphere which have[had] been capable of blocking enough sunlight to lower [是不是应该加上the]golbal[global] temperature. How can we say only a huge volcanic eruption or a large meteorite colliding with earth could result such situation? Perhaps there are[were] some other cases can[could] result in it, for example, the sudden change of weather.[大降温就已经是一个大气候变化了,这里怎么又成了气候变化的原因呢?]
Even the couses[causes] is as the author says, I still cannot agree with that it is[was] caused by a volcanic eruption. There are many reasons for me. No extant historical records of the time mention the flash, maybe they just did not record it, but it cannot to say it is the fact that there did not exsit[exist] such a flash.[这个应该说such a flash did not exist there吧?]  
In  conclusion, the author does not give reasonable evidence to show that it[这里不用代词是不是能更好一点?] is[was] caused by a volcanic eruption. To stregthen his or her view, the author should do more research on the issue. First, he or she must give persuasive proofs such as the causes of diming[dimming] of  the sun; then provide us detailed ducuments[documents] about the volcanic eruption and meteorite collision at the same time.  

[我觉得楼主的语法和拼写小错误确实需要改进]