问题描述：
San Francisco is a great city．It's lively and friendly，and has many things to do．Below you'll find some ideas about activities and programs in San Francisco for the summer．
The San Francisco School：Summer Program
There are camps for pre-kindergarten （学前班） through middle school at The San Francisco School．With programs like"Fearless Writing"，"Making A Green World：Re-Making Clothing"and so much more （check which programs are for which ages）．This is a great place for children to have fun in the summer．Registration （登记） starts in the spring．
San Francisco Art Institute Community Education
Children to elders are welcome to sign up for all sorts of art classes all year round，such as Adult Continuing Education，Pre-College programs，and a Young Artist program．Check website for schedules，class types，age groups and more or call 415-749-4500．
San Francisco University High School：Summer Program
This is a great program preparing kids for college．Academic （学术的） classes in the morning and social classes such as drama，sports，music in the afternoon．There are also other activities such as a field day，an evening party，a talent show and much more.30-35sixth grade children are selected each summer，so you have to fill out an application form．See more about it on its website．
Rudolf Steiner College Summer Programs
Rudolf Steiner has summer programs for teachers who want to take courses such as teaching grade courses 1-8，High School Teacher Education program，working with Pre-School children，Languages，Arts and more．Registration is at the beginning of April．
32．What can we learn about Summer Programs in the San Francisco School？___
A．It doesn't offer academics classes．
B．It is for children from pre-kindergarten．
C．It has programs about environmental protection．
D．It usually begins in the spring．
33．The advantage of programs of San Francisco Art
