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

来源: 2007-08-26 17:50:29 [博客] [旧帖] [给我悄悄话] 本文已被阅读:

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.