not easy for HS students, short time, they have GPA

来源: hz82000 于 2007-08-26 17:50:29 [] [博客] [旧帖] [给我悄悄话] 阅读数 : 0 (178 bytes)

3.8 average. they don't have time to think how to answer the question. I guess they prepared some before, then when they get the answer, they try to use what they have prepared.

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