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Alan fielding · 2023年12月17日

能否用中文再解释一遍题干,我选择的是吉文斯悖论

NO.PZ2022120703000017

问题如下:

An analyst argues that a rapid transition from conventional to electric cars would continue to put a strain on natural resources. This would best be explained by:

选项:

A.population growth. B.the Jevons paradox. C.the shift in materials used.

解释:

C is correct because one of the aspects related to a further strain on natural resources and their depletion is the result of the shift in materials used in production. "Another aspect is the shift in the resources used. For example: Clean energy technologies generally require more minerals than fossil fuel-based counterparts. An electric car uses five times as much minerals as a conventional car (...)."

A is incorrect because population growth would not be the?most likely?reason behind a strain on natural resources related to rapid transition from conventional to electric cars. Population growth, in general, is listed among the biggest causes of increased pressure on natural resources: "The rising population will put increased strain on the world’s natural resources, most notably in terms of access to food." However, the main source of a strain related to rapid transition of the industry is stemming from the change in resources used and the fact that the new technology requires more of the minerals. "Clean energy technologies generally require more minerals than fossil fuel-based counterparts. An electric car uses five times as much minerals as a conventional car (...)."

B is incorrect because the Jevons paradox is observed when "(...) relative improvements in efficiency (using fewer resources per unit of production) may be offset by increased consumption of a given product." However, switching rapidly production line from conventional to electric cars means using more resources than for fuel-based vehicles (per car produced): "An electric car uses five times as much minerals as a conventional car (...)."

能否用中文再解释一遍题干,我选择的是吉文斯悖论

1 个答案
已采纳答案

王岑 · 2023年12月18日

嗨,努力学习的PZer你好:


题干的意思是,一位分析人士认为,从传统汽车到电动汽车的快速转变将继续给自然资源带来压力。

我们教材中对Jevons paradox的定义是“relative improvements in efficiency (using fewer resources per unit of production) may be offset by increased consumption of a given product”,也就是说,效率的相对提高可能被某一产品消费的增加所抵消。因此,C选项并不是最合适的选项。

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就算太阳没有迎着我们而来,我们正在朝着它而去,加油!

Alan fielding · 2023年12月19日

谢谢!

大兵张嘎 · 2024年06月08日

好像答非所问

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