Questions 16 to 18 are based on the passage you have just heard.

Directions:In this section, you will hear three passages. At the end of each passage, you will hear three or four questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A, B, C and D). Then mark the corresponding letter on Answer Sheet 1 with a single line through the centre.
    16.
  • A They help spread the latest technology.
  • B They greatly enrich people's leisure life.
  • C They provide residents with the resources needed.
  • D They allow free access to digital books and videos.
    17.
  • A By helping them find jobs.
  • B By inspiring their creativity.
  • C By keeping them off the streets.
  • D By providing a place of relaxation.
    18.
  • A Their interaction with teenagers proved fruitful.
  • B They used libraries less often than teenagers.
  • C They tended to visit libraries regularly.
  • D Their number increased modestly.