Answer the questions (根据短文内容回答问题)No one is quite sure when people first worked with dogs, but one thing is certain---dogs and people have been working side by side for thousands of years. Dogs can do a lot of jobs, and their coolest job is: police dog!
A brief history of police dogs
European police forces(军队) were used as early as the 18th century. During World War I, countries like Germany began to train and use dogs. After World War III, K-9 (一个著名的警犬编号) programs began in London and other cities across Europe. In the 1970s, the program entered the U. S. Today, police dogs are a very important part of police forces.
What can police dogs do?
Dogs come in different shapes and sizes, and not every kinds of dogs is used for police work. Most police dogs used around the world are German Shepherds(德国牧羊犬). Police forces use them to track criminals(寻找犯人线索), sniff out(嗅) drugs, search buildings , and do the jobs that policemen can’t do.
50. How long have dogs and people been working side by side?
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51. Was Germany or England the first country to train and use dogs?
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52. Which dogs do most people use for police dogs?
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53. What jobs can police dogs do? ( List at least two things)
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54. How do you like police dogs? Why?
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