The Life Lab Garden Classroom is a two-acre, interactive （互动的）and educational garden located at the Center for Agro-ecology（农业生态） and Sustainable Food Systems Farm on the university of California, Santa Cruz campus. People of all ages can discover ecological concepts in this hands-on, living laboratory. Learn about plants, nature, weather, organic（绿色的） gardening, life cycles.
The Garden Classroom is open to the public every day from 8 am to 6 pm. Free Admission!
The Garden Classroom offers:
The Garden Classroom was made possible through generous contributions from The David and Lucile Packard Foundation and many other organizations and individuals.
68. The text is probably taken from            .
A. a history book               B. a hotel instruction
C . an English dictionary              D. a tourist guidebook
69. The Life Garden Classroom is a place where people        .
A. grow plants and flowers                             B. see different kinds of rare plants
C . learn about plants and living creatures   D. know about the University of California
70. Tony is in Senior 1. He is quite interested in exploring the science concepts and making crafts. Which program will he choose?
A. Field Trips       B. Summer Camp         C . Workshops       D. Special Events.
71. We can know all the following from the text except        .
A. where the Life Lab Garden Classroom lies and its exact size
B. when people can come to the Life Lab Garden Classroom
C . that people are free to visit the Life Lab Garden Classroom every year
D. that the Life Lab Garden Classroom is supported by the government.