GWD29-Q35

[k06922001]

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

A. the number of days with heavy rainfall was lower in 1990 than in 1910
B. the number of days with some rainfall, but no more than two inches, was the same in 1990 as in 1910
C. the number of days with some rainfall, but no more than two inches, was higher in 1990 than in 1910
D. 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
E. the average amount of rainfall per month was lower in 1990 than in 1910

答案是A....我理解的題目是這樣...1990的Light rainfall 和 moderate rainfall都少於1910年，然而整年度的rainfall 1990卻比1910高出20%
....那為什麼是A??如果A成立的話 1990怎麼還會高於1910呢??
我無法理解耶~~可以解釋一下嘛??

[fsab00037748]

這題我之前有po過, 我覺得答案是D說
連結如下,參考一下囉

http://www.formosamba.com/phpBB3/viewtopi ... on+City%2C

[Penny Lee]

剛剛上cd去看了一下

http://forum.chasedream.com/dispbbs.asp ... ID=&skin=2

D, 因為題目已經告知雨量就是在 1-2 inches, 即使是1990年和1910年的天數是一樣的,也有可能是90年下的雨量都是在2 inches而10年的雨量是在1 inches,長期累加的話,也會使得雨量成兩倍不是嗎?

這樣會不會太鑽牛角尖?

[維尼]

請至下面連結討論.. :)
http://www.formosamba.com/phpBB3/viewtopic.php?t=21968
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