百度在回答“世界上第一条狗产生于何时”时,称:“6000万年以前,在森林中有一种体型小、貌似鼬鼠的动物,它的身体长而柔韧,长尾短腿,为细齿兽。”现在警犬:在追逃罪犯时,协助警察捉拿犯罪嫌疑人;汶川、玉树地震,协助民警救出了地下危难的灾民。导盲犬:奥运会时,丹麦盲人运动员,导盲犬在北京领着逛大街。杂技犬:吴桥杂技团训的狗与人共舞,狗在空中走钢丝绳。肉食犬:鲜族人吃狗肉为佳肴;广西桂林, When Baidu replied to “When the world’s first dog was born,” he said: “60 million years ago, there was a small, seemingly weasel animal in the forest whose body was long, pliable and long Short tail, for the fine tooth beast. ”Now police dogs: in the pursuit of criminals, to assist the police to arrest suspects; Wenchuan, Yushu earthquake, to help police rescue victims of underground crisis. Guide dogs: the Danish blind athletes, guide dogs in Beijing led the shopping. Acrobatic dog: Wuqiao acrobatic troupe training dogs and people dancing, dogs walking in the air wire rope. Dogs: fresh people eat dog food; Guilin, Guangxi,