小题1:If visitors cannot see the animals, the animals may be______.
A．playing
B．eating
C．acting
D．sleeping小题2:Jack is eight years old. He goes to the zoo with his 58-year-old grandfather．How much should they pay for visiting the zoo?
A．$18.
B．$22.
C．$28.
D．$32.小题3:What should we do in order not to frighten the animals?
A．We should ride bikes.
B．We should keep quiet.
C．Ｗe should feed the animals.
D．We should keep the zoo clean.
小题1:D
小题2:C
小题3:B
题目分析: 本文讲述去动物园的守则，注意事项，门票及开放时间。
小题1:D 细节理解题。根据文中提到Some animals take a midday nap(小睡). If you cannot see them, come back later动物可能在小睡，如果你不能看到他们，晚点再来，所以选D项。
小题2:C 细节推断题。根据门票中提到12岁以下8美元，成年人20美元，一个8岁的孩子和一个58岁老人需要一张儿童票与成年票，共计28美元，所以选C项。
小题3:B 细节理解题。根据公园规定1. Stay behind the yellow line. 2. Do not feed the animals. 3. Do not put your fingers through the fences(栅栏). 4. Do not bring balloons into the zoo.5. Do not play ball games or ride bicycles in the zoo.6. Do not shout or clap your hands. This may frighten the animals.7. Keep the zoo clean. Eat only in the eating areas. 可知我们应该保持安静，故选B项。