雅思寫作小作文高分范文-自然界的碳循環
2017/7/28 17:02:31來源：新航道作者：新航道
摘要：雅思寫作是中國考生們的一大頭疼科目，難以提高的科目.上海新航道雅思小編雅思寫作小作文高分范文-自然界的碳循環，希望幫助考生對照寫作范文研究真題，充分備考，爭取理想成績，實現留學夢想。
雅思寫作是中國考生們的一大頭疼科目，難以提高的科目.上海新航道雅思小編雅思寫作小作文高分范文-自然界的碳循環，希望幫助考生對照寫作范文研究真題，充分備考，爭取理想成績，實現留學夢想。
雅思小作文題目：
The diagram below illustrates the carbon cycle in nature.Write a 150-word description of this diagram for a university lecturer.
雅思寫作小作文范文：
The diagram shows how carbon moves through various stages to form a complete cycle. This report will give a brief description of the main stages in this cycle.
First, we can see that energy from the sun is transformed into organic carbon through a process in plants known as photosynthesis. This organic carbon is then transferred underground when plants, and the animals that feed on them, die and decay. Some of this carbon is trapped underground in the form of fossils and fossil fuels.
Carbon is also released back into the atmosphere, however, through various means. One is when animals and plants respire, and another is when humans burn fossil fuels in cars and factories. All this carbon enters the atmosphere as CO2. It is then reabsorbed by plants, and the cycle begins again.
Overall, we can see that carbon moves in a natural cycle, although human factors may now be affecting the balance.
以上就是小編給大家分享的雅思寫作小作文范文匯總，通過范文可以有效幫助大家備考雅思寫作考試，爭取理想成績，實現留學夢想。
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