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新托福綜合寫作范文-菊石滅絕

2017/6/28 11:10:00來源：新航道作者：新航道

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摘要：為了幫助各位備考托福同學們更好的熟悉最新托福寫作題目內(nèi)容，今天，上海新航道托福培訓學校小編給大家?guī)砹俗钚峦懈＞C合寫作范文：菊石滅絕。希望幫助考生對照文本更好的研究真題，充分備考，爭取理想成績，實現(xiàn)留學夢想。

為了幫助各位備考托福同學們更好的熟悉最新托福寫作題目內(nèi)容，今天，上海新航道托福培訓學校小編給大家?guī)砹俗钚峦懈＞C合寫作范文：菊石滅絕。希望幫助考生對照文本更好的研究真題，充分備考，爭取理想成績，實現(xiàn)留學夢想。

托福寫作綜合作文范文：

The reading and listening both talk about whether the Ammonites died out due to asteroid apocalypse. However, the lecturer lists three reason to contradict what the passage indicates.

First, according to the lecturer, if the acid rains had killed off the ammonites on the surface of the water, another kind of frog, which also lived near the ocean, would become extinct as well. However, they still exist till now. Thus, the acid rain caused by asteroid impact mentioned in the reading passage was not the main reason.

Secondly, the reading passage indicates that the disappearance of zooplankton, which was the main food of ammonites, directly cause the extinction of them. However, zooplankton was just a small part of their food supply, according to professor, only a part of ammonites lived on zooplankton. Therefore, zooplankton didn’t account for that.

As to the third reason of absence of oxygen, the professor claims that the special physical structure allowed ammonites to live with hypoxia, which means that the statement in the reading that the impact taking away oxygen from the atmosphere killed all of ammonites is not correct.

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