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帮忙解决一下下面这段英文的句型分析呢.

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/22 02:10:33
帮忙解决一下下面这段英文的句型分析呢.
But why is the concentration of carbon dioxide in the atmosphere steadily rising?
To blame are two factors.First of all,in the last few centuries,first coal,then oil and natural gas,have been burned for energy at a rapidly increasing rate.The carbon contained in these fuels,which has been safely buried underground for many millions of years,is now being burned to carbon dioxide and poured into the atmosphere at a rate of many tons per day.
但是,为什么大气中二氧化碳的浓度稳定上升呢?
主要归咎于两个因素,在过去的几个世纪,首先是煤,然后是石油和天然气作为能源的燃料有一个快速地增长.埋藏与地下数百万年的燃料中含有碳元素,碳燃烧后生成二氧化碳,以每天几吨的速度排放到大气中.

But why is the concentration of carbon dioxide in the atmosphere steadily rising? (WHY 引导的疑问句)
To blame are two factors. (不定式做主语)

(First of all, in the last few centuries)(状语), (first coal, then oil and natural gas,)(主语) (have been burned for)(谓语) (energy)(宾语) (at a rapidly increasing rate. )(状语)

(The carbon (contained in these fuels)( 过去分词短语做定语),)(主语) (which has been safely buried underground for many millions of years)(非限制性定语从句修饰 FUEL),( is now being burned to)(主语) (carbon dioxide)(宾语), and

(poured into )(谓语)(the atmosphere )宾语(at a rate of many tons per day.)状语 整句主语二氧化碳省略.