题目内容
（请给出正确答案）
提问人：网友z*****n
发布时间：2022年4月6日 06:41
[单项选择题]
Although our educational system and our society generally place a high value on competition, some...What is the main idea of the second paragraph（）
A. The higher one’s grade average, the more one has learned.
B. Our education system encourages competition for higher grades.
C. Grades are regarded as the criterion to evaluate students’ performances.
D. Competition for financial rewards is more intense in some fields than in others.
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