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

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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