题目内容：

The air we breathe is freely available, without    1.  we could not survive more than a few minutes. For the most part, air is available to everyone, and everyone needs it. Some people use the air to sustain them while    2.   (sit) around and feel sorry for themselves.    3.   breathe in the air and use the energy it provides to make    4.   magnificent life. Opportunity is    5.   the same way; it is everywhere. It is so freely available that we take it for granted. Yet opportunity alone is not enough to create success; it must   6.  (seize) and acted upon in order to have value.    7.  many people are so anxious to “get in” on a “ground floor opportunity”, as if the opportunity will do all the work that’s   8.  (possible). Just as you need air to breathe, you need opportunity to succeed. However, it takes more than just breathing in the fresh air of opportunity. You must make use of it. That’s not up to the opportunity; that’s up to you.   9.  doesn’t matter what “floor” the opportunity is on, but    10. matters is what you do with it.