题目内容：

阅读下面材料，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。

It’s a simple and powerful idea. When     1.   (ask) the key to recognizing opportunity to win success, Cuban, a billionaire, considers doing one’s homework as the     2.   (important) factor. “The hard part is doing the homework to know    3.   the idea could work in an industry or not,” he says. He admits that he does not have original ideas. He combines existing ideas in unique ways that no one else is doing,     4.    he manages to know because he has thoroughly studied his industry.

He says that the characteristics of an entrepreneur (企业家) are     5.    (willing) to learn, focus, and ability to absorb information.

When Cuban set the goal to retire at 35, he studied     6.   he could find about business and the industries that    7.    (interest) him. He actually considered any job as     8.    paid opportunity to learn more about a business.

He advises young entrepreneurs    9.    (learn) as much about their businesses as possible and never to take shortcuts. Over and over again, he emphasizes homework, superior knowledge, the drive to learn, and the need to get to work.

Anyone could adopt his ideas and do well in anything. Regardless     10.    your dream, do your homework. It’s simple and insures success.