A．It taught students how to use scanners and other multimedia devices.
B．It had students build a database of pictures of their grandparents.
C．It had students write about American history.
D．It encouraged students to write stories about local history.

A．They received a few scanners worth more than 10,000 dollars.
B．The first student brought to school more than 100 photos.
C．They built a database of old photos.
D．They combined reading with photograph scanning.