38: GWD-29-Q35
In Patton City, days arecategorized as having heavy rainfall (more than two inches), moderate rainfall(more than one inch, but no more than two inches), light rainfall (at least atrace, 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 the statements aboveare true, then it is also possible that in Patton City
A. the number of days with heavy rainfall was lower in 1990than in 1910
B. the number of days with some rainfall, but no more than twoinches, was the same in 1990 as in 1910
C. the number of days with some rainfall, but no more than twoinches, was higher in 1990 than in 1910
D. the total number of inches of rain that fell on days withmoderate rainfall in 1990 was more than twice what it had been in 1910
E. the average amount of rainfall per month was lower in 1990than in 1910
怎么会选A啊，明明M,L都减少了，总量上升。 H怎么可能还回更少呢？求解~~作者: soubixl 时间: 2012-2-27 06:46
注意是问 it is also possible that 也就是说选一个有可能发生的情况。注意天数与雨量，不要忽略了每次下的雨量。
总雨量=天数*平均雨量
A之所以有可能是因为有可能在1990年下大雨的总量>1910的。作者: starry1008 时间: 2012-2-27 18:49
