What is said about global warming in the first paragraph? Greenhouse emissions will more than double by 2050 because of______.

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问题 What is said about global warming in the first paragraph?
Greenhouse emissions will more than double by 2050 because of______.

选项 A、economic growth
B、wasteful use of energy
C、the widening gap between the rich and poor
D、the rapid advances of science and technology

答案A

解析 细节理解题。参见第三段最后两句:We need economic growth unless we condemn the world’s poor to their present poverty...With modest growth,energy use and greenhouse emissions more than double by 2050.这里“modest growth”(适度的增长)指前文提到的“economic growth”。故选A(因为经济增长,到2050年温室气体的排放将会翻一番)。
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