浅巷长歌C) occur when they go wild D) present a threat to the community
22. The primary purpose of obedience training is to _______. A) teach the dog to perform clever tricks B) make the dog aware of its owner’s authority C) provide the dog with outlets for its wild behavior D) enable the dog to regain its normal behavior
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
Passage Two
Questions 26 to 30 are based on the following passage:
Engineering students are supposed to be examples of practicality and rationality, but when it comes to my college education I am an idealist and a fool. In high school I wanted to be an electrical engineer and, of course, any sensible student with my aims would have chosen a college with a large engineering department, famous reputation and lots of good labs and research equipment. But that’s not what I did. I chose to study engineering at a small liberal-arts（文科）university that doesn’t even offer a major in electrical engineering. Obviously, this was not a practical choice; I came here for more noble reasons. I wanted a broad education that would provide me with flexibility and a value system to guide me in my career. I wanted to open my eyes and expand my vision by interacting with people who weren’t studying science or engineering. My parents, teachers and other adults praised me for such a sensible choice. They told me I was wise and mature beyond my 18 years, and I believed them.
I headed off to college sure I was going to have an advantage over those students who
