On summer days, uniformed and professional storytellers at 13 storytelling benches throughout Philadelphia's Historic District entertain visitors with true, free, three-to-five minute tales about the colonial (殖民的) era as part of Once Upon a Nation. Children can pick up a Story Flag at any storytelling bench, and then collect a star from every storyteller on their journeys. Flags with all the stars can get free rides on the Parx Liberty Carousel at Franklin Square．

21. Who would most probably go to Spruce Street Harbor Park?

　A. People who are fond of colorful lights．

　B. People who want to have a relaxing day．

　C. People who have a preference for skating．

　D. People who are interested in water activities．

22. Which place would fans of Big Bird be interested in?

　A. Sesame Place．

　B. Blue Cross RiverRink．

　C. The Parx Liberty Carousel．

　D. Spruce Street Harbor Park．

23. What can we know about Philadelphia Storytelling Benches?

　A. It can be visited all year round．

　B. It is available at a small charge．

　C. It is educational for children．

　D. It is aimed at serving the public．

　　When Ron first started with his organization, he loved his job. He went into work every day filled with purpose and passion (热情). Three years later, however, it was hard to recognize him. Now, Ron detests going to work. He feels that his work is meaningless, he's always stressed, and he calls in sick frequently.

　　These are basic symptoms (征兆) of burnout. If you've experienced this yourself, it's important that you should know how to recover from it before you have difficulty in having a sense of satisfaction and then dislike your job.

　　You first need to know why you've experienced burnout. First, look at any resentment (愤怒) that you feel towards your work. Often, feelings of resentment point to something important that is missing.

Here's a good example. Jennifer manages a team around the world, so her workday often starts at 6 a.m. She doesn't mind this because she likes her team and her job. But she feels resentful(愤