2012年大学英语四级考试阅读强化练习(1)_第2页

    
    23.Effective communication between a dog and its owner is ________.
   
    A) essential to solving the dog‘s behavior problems
   
    B) the foundation for dogs to perform tasks
   
    C) a good way to teach the dog new tricks
   
    D) an extreme measure in obedience training
   
    24.Why do pet dogs love performing tricks for their masters?
   
    A) To avoid being punished.
   
    B) To show their affection for their masters.
   
    C) To win leadership of the dog pack.
   
    D) To show their willingness to obey.
   
    25.When a dog has received effective obedience training, its owner ________.
   
    A) can give the dog more rewards
   
    B) will enjoy a better family life
   
    C) can give the dog more freedom
   
    D) will have more confidence in himself
21.C 22.D 23.D 24.A 25.B