摘要： A. which B. that C. where D. what 答案 36-40 ACBCD 41-45 ADABB 46-50 CCDBC 51-55 ADABC Passage 17 (山东省青岛市2010届高三上学期期中考试) Guess what? Your dog can get jealous when you pay attention to other dogs, other people or even other things. Dogs have complex 36 such as jealousy and pride, according to a scientific research that throws new 37 on their relations with 38 . Animal psychologists previously believed most animals lacked " 39 of self", which is needed to experience secondary emotions such as 40 , embarrassment or guilt. These emotions are more 41 than instant reactions such as anger or joy. Professor Friederike Range, from the University of Vienna, has shown that dogs are jealous when they feel unfairly treated 42 to other dogs. "Dogs show a strong 43 to inequity ," she said. "If one dog gets something, you'd better believe another will 44 something as well." But, her study 45 , it doesn't matter if one gets a better treat, only that the distribution is 46 . The dog study is the latest into several 47 , including cows, horses, cats and sheep, which have 48 that animals are far more self-aware than 49 were thought. Paul Morris, a psychologist at the University of Portsmouth who studies animal emotions, told The Sunday Times: "We are learning that dogs, horses, and perhaps many other species are far more 50 complex than we ever realized. They can 51 simple forms of many emotions we once thought only primates could experience." In research among 52 , Morris found almost all of them reported 53 behavior by their pets. The dog often tried to get their owner away from a new lover in the early days of a relationship. Behavior experts recommend owners keeping their dog's 54 as much as possible from a new partner or child . This helps to 55 jealous activity from the dog such as interruptions with barking or whining .

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