单选题It can be inferred from the passage that_____.Athe developing world has decided to increase its energy consumptionBa third-world citizen adds less than a ton of CO2 yearly to the atmosphereCthe world climate would soon gain its balance if we stopped greenhouse-gas emissionsDfuture prosperity of the world is dependent on cheap fossil fuels
单选题
It can be inferred from the passage that_____.
A
the developing world has decided to increase its energy consumption
B
a third-world citizen adds less than a ton of CO2 yearly to the atmosphere
C
the world climate would soon gain its balance if we stopped greenhouse-gas emissions
D
future prosperity of the world is dependent on cheap fossil fuels
参考解析
解析：
根据Excerpt 4第二段中的“The average rich world resident adds about 3.2 tons of CO2 yearly to the atmosphere, more than four times the level added by each Third World citizen.”可知，第三世界国家每人每年向大气中排放的二氧化碳不足3.2吨的四分之一，也就是不到一吨的二氧化碳。故B项为正确答案。
根据Excerpt 4第二段中的“The average rich world resident adds about 3.2 tons of CO2 yearly to the atmosphere, more than four times the level added by each Third World citizen.”可知，第三世界国家每人每年向大气中排放的二氧化碳不足3.2吨的四分之一，也就是不到一吨的二氧化碳。故B项为正确答案。
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