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are not foolish enough D. they don’t want others to know that they are foolish ( ) 2. Why did Beethoven insist on paying the waiter? Because___. A. he had eaten more B. he had ordered a dinner C. he thought he had eaten a dinner[ D. he borrowed money from the waiter ( ) 3. From this passage we may know that _______. A. all wise men always act wisely B. not all wise men always act wisely C. wise men hardly act wisely D. wise men often make mistakes ( ) 4. What’s the main idea of the passage? A. Even the wise cannot be free from making mistakes. B. Beethoven and his waiter. C. Newton and his two cats. D. Beethoven and Newton. ( ) 5. Why did Newton cut two holes in the door? Because_________. A. he was fooli