A Guide Dog
A guide dog is a dog especially trained to guide a blind person. Dogs chosen for such training must show good disposition, intelligence, physical fitness and sense of responsibility.
At the age of fourteen months, a guide dog begins an intensive course that lasts three to five months. It becomes accustomed to the leather harness and stiff leather handle it will wear when guiding its blind owner. The dog learns to watch the traffic and to cross the street safely. It also learns to obey such commands as "forward", "left", "right" and "sit" and to disobey any command that might lead its owner into danger.
The most important part of the training course is a fourweek program in which the dog and its future owner learn to work together. However, many blind people are unsuited by personality to work with dogs. Only a tenth of the blind find a guide dog useful.
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導盲犬
導盲犬是專門為盲人做向導的狗。選來接受這種訓練的狗必須有很好的脾氣、智力、體格和責任心。
在14個月大的時候，導盲犬就開始接受精良的訓練課程，為期3到5個月。它要逐漸習慣于將來導引盲主人時所戴的皮革脖套具和僵硬的皮韁繩 主站蜘蛛池模板： 尤物TV国产精品看片在线| 国产精品国产三级国产av品爱网| 亚洲精品蜜桃久久久久久| 精品无人区麻豆乱码1区2区| 午夜在线视频91精品| 91精品一区二区综合在线| 久久久久久久久无码精品亚洲日韩 | 欧美精品人人做人人爱视频| 亚洲国产精品久久久久网站 | 柠檬福利精品视频导航| 欧美成人精品高清在线观看| 欧美日韩国产精品| 国内精品久久久久国产盗摄 | 无码精品人妻一区二区三区AV| 999久久久免费国产精品播放| 69久久夜色精品国产69| 无码人妻精品一区二区三区久久 | 亚洲精品国产精品乱码不99 | 国产精品久久久天天影视| 精品久久久久香蕉网| 中文字幕无码精品亚洲资源网久久 | 中文字幕精品亚洲无线码二区 | 日韩精品一区二区三区中文字幕 | 国产一区精品| 国产高清在线精品一区小说| 久久亚洲国产精品一区二区| 国产精品高清一区二区三区| 久久国产热精品波多野结衣AV| 在线观看亚洲精品福利片| 久久五月精品中文字幕 | 91久久精品无码一区二区毛片| 国产l精品国产亚洲区在线观看| 久久永久免费人妻精品下载| 亚洲精品视频免费| 亚洲精品无码久久久| 亚洲А∨精品天堂在线| 亚洲国产精品自在拍在线播放| 欧美人与性动交α欧美精品 | 国产精品二区观看| 国产玖玖玖九九精品视频| 精品国产污污免费网站入口|