标题: 求解一题GWD，，，想到死都想不出为什么，救命 [打印本页] 作者: chaomat1988 时间: 2011-6-23 15:14 标题: 求解一题GWD，，，想到死都想不出为什么，救命 38: GWD-29-Q35In PattonCity, days are categorized as having heavy rainfall (more than two inches),moderate rainfall (more than one inch, but no more than two inches), lightrainfall (at least a trace, but no more than one inch), or no rainfall. In 1990, there were fewer days with lightrainfall than in 1910 and fewer with moderate rainfall, yet total rainfall forthe year was 20 percent higher in 1990 than in 1910. If thestatements above are true, then it is also possible that in Patton City A. the number of days with heavy rainfall waslower in 1990 than in 1910 B. the number of days with some rainfall, butno more than two inches, was the same in 1990 as in 1910 C. the number of days with some rainfall, butno more than two inches, was higher in 1990 than in 1910 D. the total number of inches of rain that fellon days with moderate rainfall in 1990 was more than twice what it had been in1910 E. the average amount of rainfall per month waslower in 1990 than in 1910作者: chaomat1988 时间: 2011-6-23 15:14
答案是A 为什么啊作者: kobegibson 时间: 2011-6-23 15:47
总体的90年比10年多, 中雨和小雨都是10年比90年多, 所以必须大雨是90年多.