1 Dogs People often say that a dog is man's best friend. Over thousands of years, man has taught his dogs to do many kinds of work besides guarding the home. For example, sheepdogs are famous for their ability to control a flock of hundreds of sheep. Dogs have been used to aid disabled people f...

时间:2025-01-26 19:04栏目:行业资料

1DogsPeopleoftensaythatadogisman'sbestfriend.Overthousandsofyears,manhastaughthisdogstodomanykindsofworkbesidesguardingthehome.Forexample,sheepdogsarefamousfortheirabilitytocontrolaflockofhundredsofsheep.Dogshavebeenusedtoaiddisabledpeopleforcenturies.Aguidedogcanleaditsblindowner.Nowadays,dogs...

时间:2024-11-18 08:18栏目:行业资料