题目内容：

He was a professor.At the age of 90,he still worked eight hours every day regardless1.the weather.

His secretary said:“He was extremely old,but he forced himself to walk from his living place to the office through two blocks.2.would take him an hour to do so,but he insisted because it made him get a sense of3. (succeed).”

One day,a university student4.(step) out of his office with a pile of books.He complained: “He always answers my questions with just a yes or no.However,he always gives me dozens of books and suggests me5.(find) the answer on my own.”

By chance,the professor knew6.the student complained about.He explained to him with a smile:“This is the method I have learnt—the7.(hard) you work independently,the better solutions you will find.If you can make full use of the books,you will8.(probable) become a good lawyer in the future.”

This 90-year-old man was Pound,9.was the president of Law College of Harvard.He believed “all slopes are easy10.( go)”,of which he often reminded his students.