The Los Angeles Zoo has many public programs that aim to teach the public about

56. People can see all the animals at the Los Angeles Zoo at ______.
   A. 11 am. on Christmas Day           B. 4:30 pm. on May 5
   C. 3 pm. on March 5                    D. 6 pm. on September 7
57. How much does it cost if a couple with their one-year-old twins visit the Los Angeles Zoo?
   A. $18.           B. $26.           C. $22.           D. $17.
58. When visiting the Los Angeles Zoo, people can______.
   A. ride a bike through the Zoo         B. have a picnic on the Zoo grounds
   C. take food with plastic bags         D. take their pets along

答案55-58  BCAB