1. (2022高一上·西安月考) 听下面一段独白，回答问题。

1. （1） On which day is World Sleep Day held?

   A . March 21. B . March 25. C . March 31.
3. （2） What benefit is mentioned about enough sleep?

   A . Being stronger. B . Being cleverer. C . Being more active.
5. （3） What percentage of adults have a full eight hours of sleep each workday?

   A . 21%. B . 27%. C . 80％.
7. （4） What can we learn from the passage?

   A . World Sleep Day started in 2006. B . Teenagers need at least 8 hours of sleep a night. C . 80% of people throughout the world have sleep problems.