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题库 / GMATLA-CR-106
In Patton City, days are categorized as having heavy rainfall (more than two inches), moderate rainfall (more than one inch, but no more than two inches), light rainfall (at least a trace, but no more than one inch), or no rainfall. In 1990, there were fewer days with light rainfall than in 1910 and fewer with moderate rainfall, yet total rainfall for the year was 20 percent higher in 1990 than in 1910.
If the statements above are true, then it is also possible that in Patton City
the number of days with heavy rainfall was lower in 1990 than in 1910.
the number of days with some rainfall, but no more than two inches, was the same in 1990 as in 1910.
the number of days with some rainfall, but no more than two inches, was higher in 1990 than in 1910.
the total number of inches of rain that fell on days with moderate rainfall in 1990 was more than twice what it had been in 1910.
the average amount of rainfall per month was lower in 1990 than in 1910.
理解不了啊？1990的时候 M.Rain 和 L. Rain的 天数已经比 1910少了，如果选A， 大雨的天数也少的话，降雨量怎么可能比1910还多20%？
这题问的是“If the statements above are true, then it is also possible that in Patton City”，问的是“可能的”情况。。
A项的确是可能存在的，举个最极端的情况：1990年只下了一天雨，但是场万年不遇的倾盆大雨，其一天的降雨量远远超过了1910年累积的小雨、中雨或大雨的降雨量。一天的超大量就超过了365天累积的总量，也是有这种可能性的~
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