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[Critical Reasoning]
试题详情
题目：
Urban air contains more sulfur dioxide than does rural air, and plants in cities typically grow more slowly than do plants in rural areas. In an experiment to see how much of the difference in growth is due to sulfur dioxide, classes in an urban and a rural school grew plants in greenhouses at their schools and filtered the greenhouse air to eliminate sulfur dioxide. Plants in the urban greenhouse grew more slowly than those in the rural greenhouse.
Which of the following, if true, would it be most important to take into account in evaluating the result?
Which of the following, if true, would it be most important to take into account in evaluating the result?
选项:
A、The urban school was located in a part of the city in which levels of sulfur dioxide in the air were usually far lower than is typical for urban areas.
B、At both schools, the plants in the greenhouses grew much more quickly than did plants planted outdoors in plots near the greenhouses.
C、The urban class conducting the experiment was larger than the rural class conducting the experiment.
D、Heavy vehicular traffic such as is found in cities constantly deposits grime on greenhouse windows, reducing the amount of light that reaches the plants inside.
E、Because of the higher levels of sulfur dioxide in the air at the urban school, the air filters for the urban school's greenhouse were changed more frequently than were those at the rural school.
答案:
D
提问：
请唐塘老师分析一下这道题，老师我觉得文章最后一句话说的是植物在城市温室气体增长的比农村慢，我感觉E选项比较符合原文，因为E选项里面说到了城市和农村的不同，还有frenquetly频率词，麻烦老师分析一下E选项哪里错了，还有D选项为什么对呢，谢谢
解答：
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提问：
请唐塘老师分析一下这道题，老师我觉得文章最后一句话说的是植物在城市温室气体增长的比农村慢，我感觉E选项比较符合原文，因为E选项里面说到了城市和农村的不同，还有frenquetly频率词，麻烦老师分析一下E选项哪里错了，还有D选项为什么对呢，谢谢
解答：
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阅读754
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