听下面一段材料,回答第1-3题。 1. Whom were the early zoos built for? A. Students B. Some ric h people C. Kings and queens 2. What do we know about the Garden of Intelligence? A. It was built in Egypt. B. It was about 3,000 acres. C. It was named by an emperor. 3. Why did ancient Greeks build Zoos? A. To get fun. B. To study animal and plant life. C. To keep some rare animals.