[求助]eLSAT-Set 4 -Section 3- Q12

ruthere · 发表于 2003-4-14 20:28:00

12. The number of North American children who are obese-that is who have more body fat than do 85 percent of North American children their age -is steadily increasing, according to four major studies conducted over the past 15 years.

If the finding reported above is correct, it can be properly concluded that

(A) when four major studies all produce similar results .those studies must be accurate.

(B) North American children have been progressively less physically active over the past 15 years.

(C) The number of North American children who are not obese increased over the past 15 years.

(D) Over the past 15 years ,the number of North American children who are underweight has declined.

(E) The incidence of obesity in North American children tends to increase as the children grow older.

答案為什麼是c?? 題目不是說obese的children在穩定增加嗎?

shany · 发表于 2003-4-14 21:21:00

这是一道数学题。占总人数15%的肥胖儿童数目增加，说明总人数增加，则占85%的非肥胖儿童亦增加。

ruthere · 发表于 2003-4-15 09:25:00

以下是引用shany在2003-4-14 21:21:00的发言：
这是一道数学题。占总人数15%的肥胖儿童数目增加，说明总人数增加，则占85%的非肥胖儿童亦增加。

懂了, 謝謝.

[求助]eLSAT-Set 4 -Section 3- Q12

[求助]eLSAT-Set 4 -Section 3- Q12

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