听下面一段独白，回答以下小题。
1. How often is the Noetic Learning Math Contest held?

A．Once a year.

B．Twice a year.

C．Once every two years.

2. What are students required to do during the contest?

A．Solve 45 problems in an hour.

B．Solve 20 problems in 45 minutes.

C．Solve 10 problems in half an hour.

3. What will the highest scorer of each team receive?

A．A “Team Winner” medal.

B．A “Team Achievement Plaque”.

C．A “National Honor Roll” medal.