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- UID
- 223420
- 帖子
- 323
- 主题
- 7
- 注册时间
- 2011-7-11
- 最后登录
- 2014-8-6
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| my experience with all 3 levels is to glance through the official textbook as fast as you can since the authors treat you as an idiot who just have a high school level of understanding of everything. Then comes the hard part: do as many practice exams as you can. |
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发表于 2014-7-3 11:16
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