以下是引用hulun在2006-1-19 11:15:00的发言：
i just talked with a friend with level two experience. there are two key parts. you can tell them easily, which accounts for around 70%. i hear level two is much more tricky than level one. however, there is good study environment in China, like study groups and materials. do not worry about it!
thanks!!which two key parts? | 
发表于 2006-1-19 10:33
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