其实这是网上一道经济练习题,呵呵.
Assume Jack received all A's in his classess last semester,If he got all B's in his classes this semester,his GPA may or may not fall.
这个说法对吗?我糊涂了~~
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楼主: cece1992
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[经济] 关于GPA的问题 |
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