21.Behavior problems of dogs are believe to ________.7 L* u. J- ^5 Z6 p6 V* p* @
2 ^2 y T9 _) {4 L8 `, z9 ]+ {1 X# B A) be just part of their nature
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B) worsen in modern society/ q& S+ ?- O9 A/ M; }) ^: A6 ~
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D) present a threat to the community U" ?& J) n* V' s3 M: W/ ^
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22.The primary purpose of obedience training is to ________.
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A) teach the dog to perform clever tricks
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B) make the dog aware of its owner‘s authority
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C) provide the dog with outlets for its wild behavior
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4 a+ b4 F0 S* a$ Z% D; z1 E D) enable the dog to regain its normal behavior' `" G9 u- j, P) |5 v. T
2 y% Q6 z: t* E, ?6 ~ V x 23.Effective communication between a dog and its owner is ________.
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A) essential to solving the dog‘s behavior problems
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3 e2 _3 {1 w5 r9 ` B) the foundation for dogs to perform tasks
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C) a good way to teach the dog new tricks
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D) an extreme measure in obedience training
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24.Why do pet dogs love performing tricks for their masters?
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A) To avoid being punished.
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B) To show their affection for their masters.
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B' P, d- ~) ?9 _0 D1 |4 [ K C) To win leadership of the dog pack.
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D) To show their willingness to obey.
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25.When a dog has received effective obedience training, its owner ________.
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) c' n+ T" M6 w3 e5 d6 D8 T A) can give the dog more rewards
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+ e, G: r, c9 h- a) x# N+ p1 E: A B) will enjoy a better family life) I1 l! X, s; }3 i" ]7 X
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C) can give the dog more freedom
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/ k8 I, K9 ^; F' j9 G# B D) will have more confidence in himself
% k! A% |7 P9 h6 h m答案:21.C 22.D 23.D 24.A 25.B</p> |