請問GWD29-35

[stellaadixen]

GWD-29-Q35
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

請問為何是A(我覺得用LOWER有點不合理.已經雨天少.但雨量IN1990比較多.不是應該它的heavy rainfall 的days比較多??)

[A級垂耳兔]

這題已經討論過..可以搜尋一下....
答案BCDE都是死路...只有A有可能發生....這題真賤...希望我考試的時候不要遇到這種題目....

答案A
假設1990年大雨只下一天...下11,998inches
moderate rainfall 下一天1.5
light rainfall 下一天0.5
no rainfall 362天
全年共12000 inches

假設1910年大雨只下四天...每天2499inches
moderate rainfall 下兩天..每天1.5
light rainfall 下兩天..每天0.5
no rainfall 357天
全年共10000 inches

應該是這個意思吧.....我做到這題第一個砍A ...這種題目第一次遇到沒人會作對吧~~~

[維尼]

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