1. (2018高一下·潮州期末) 听下面一段独白，回答以下小题。

1. （1） Why will the Palace Museum take on the trial (试验)？

   A . To improve its sale. B . To make the entrance less crowded. C . To stop the sale of paper tickets.
3. （2） What can tourists do by May the first in 2018?

   A . Get their tickets at home. B . Book tickets ten days in advance. C . Buy tickets in different periods.
5. （3） How many tickets are sold online now?

   A . About a half. B . About one sixth. C . About one seventh.