档案按文种可分为哪几种？
参考答案：
有汉文档案、满文档案、蒙文档案、藏文档案等等。
---What’s your attitude ______ these travel routes?
--- Well. I would say the second route to Tibet is better as it will be my first time that I ___ to Tibet.
A．on; have traveled
B．to; will have traveled
C．towards; have traveled
D．about; travel
买断式回购的期限由交易双方确定，但最长不超过90天，交易双方不得以任何方式延长回购期限。 ( )
