阅读下面短文并回答问题。 [1] The air we breathe is so freely available that we take it for granted. Yet without it we could not survive more than a few minutes. For the most part, the same air is available to everyone, and everyone needs it. Some people use the air to sustain them while they sit around and feel sorry for themselves. Others breathe in the air and use the energy it provides to make a magnificent life for themselves. [2] Opportunity is just the same. It is everywhere. Opportunity is so freely available that we take it for granted. Yet opportunity alone is not enough to create success. Opportunity must be seized and acted upon in order to have value. So many people are so anxious to “get in” on a “ground floor opportunity”, as if the opportunity will do all the work. That’s impossible. [3] Just as , you need opportunity to succeed. It takes more than just breathing in the fresh air of opportunity, however. You must make use of that opportunity.’’ That’s not up to the opportunity. That’s up to you. It doesn’t matter what “floor” the opportunity is on. What matters is what you do with it . 小题1:What is the main idea of the passage? ( no more than 8 words) _____________________________________________________________________ 小题2:Complete the following statement with proper words. (no more than 6 words) There are persons who live aimlessly breathing in air and . 小题3:Fill in the blank in the third Paragraph with proper words or phrases to complete the sentence. ( no more than 6 words) _____________________________________________________________________ 小题4:According to the author, how should we use the air? ( no more than 15words) _____________________________________________________________________ 小题5: What does the word “It” (Line 5, Paragraph 3) probably refer to? ( no more than3 words) _____________________________________________________________________