第1个回答 2010-06-18
There are both advantages and disadvantages in keeping pets.First,pets
are friendly to peple.When we feel lonely ,they can keep us company.When we are in danger ,they can save us . What's more, pets are good for people’s health.Dogs and owners have less trouble than others.Walking a dog is good exerise.I learned why many people were in favour of keeping pets.Hoever,some pets are dirty and carry diseases.