gwd逻辑题一道。求解。

lotus213yu

Proposal:Carbon dioxide and methane in the atmosphere block the escape of heat into space.So emission of these “greenhouse” gases contributes to global warming.In order to reduce global warming, emission of greenhouse gases needs to be reduced. Therefore, the methane now emitted from open landfills should instead be burned to produce electricity.

Objection:The burning of methane generates carbon dioxide that is released into the atmosphere.

Which of the following, if true, most adequately counters the objection made to the proposal?



A.Every time a human being or other mammal exhales, there is some carbon dioxide released into the air.

B.The conversion of methane to electricity would occur at a considerable distance from the landfills.

C.The methane that is used to generate electricity would generally be used as a substitute for a fuel that does not produce any greenhouse gases when burned.

D.Methane in the atmosphere is more effective in blocking the escape of heat from the Earth than is carbon dioxide.

E.The amount of methane emitted from the landfills could be reduced if the materials whose decomposition produces methane were not discarded, but recycled.

答案是d。不是很明白。求解释~~~~~~~~

ccronaldo

题目说carbon和math 会造成温室效应 于是不应该释放math到空气中 而应该烧掉它来产生电能
objection说 math烧掉会产生carbon 意思就是烧不烧都一样 都得造成温室效应
问题是要找一个反对这个objection的选项
d的意思是carbon没有math造成的危害大 应该把math烧掉换成carbon 这样多少能减少一点危害 明白了吗？

lotus213yu

啊！谢谢楼上~~~明白了