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  3. Gingrichian politicians reluctant to address the problem because______. The computer models failed to picture reality because__

Gingrichian politicians reluctant to address the problem because______. The computer models failed to picture reality because__

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问题 Gingrichian politicians reluctant to address the problem because______.
The computer models failed to picture reality because______.
选项 A、they only simulate what has happened over the past century
B、they are wrongly programmed
C、scientists didn’t take aerosols into consideration
D、too many chemicals are produced along with CO2
答案C
解析 本题是细节题。本题问及实验初期电脑模拟系统未能反映真实的大气条件的原因。根据第3段第3句可知，实验初期失败的原因是电脑模拟系统未将影响大气温度的一个重要因素—二氧化硫考虑在内。而这种气体中的悬浮微粒(aerosols)反射了部分太阳光，致使大气温度降低。由此可知正确答案。
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考研英语一

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