选择题:(翻译)Before you make up your mind about which way t

题目内容:
(翻译)Before you make up your mind about which way to go, take a hard, honest look at your motivation for starting a company. Too many people are looking to get rich, escape the corporate grind, and work shorter hours with more free time. None of those reasons is likely to lead to success. If you are focused on solving a customer problem or need, believe you can do what you do better than anyone else, dying to work long hours, wear many hats, and juggle endless responsibilities, then you have the right startup mindset. You also need certain personality traits. One of them is a willingness to work very hard all by yourself, at least for the first year or so (and possibly longer).(本题10.0分)
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初期支护一般由 、 、 、 等及其它们的组合组成。

初期支护一般由 、 、 、 等及其它们的组合组成。

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超前锚杆的超前长度宜采用3~5m长,环向间距采用_______,搭接长度宜为超前长度的_______

超前锚杆的超前长度宜采用3~5m长,环向间距采用_______,搭接长度宜为超前长度的_______左右.

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