Dogs are often called "man's best friend" and make ideal pets.
The (attractive) quality of dogs is their faith in their owners. They always greet us when we come home and they will never leave us even in a desperate (绝望的) situation. For example, there was a very sick man and his dog barked and barked until the rescue team (arrive).
Furthermore, dogs are strong animals will protect us. Houses with dogs (consider) much safer than those with burglar alarms (防盗警报器) . Not only will they stop thieves, they will also guard against fire. For example, there was a serious fire and a dog managed (pull) its owner out.
And (final), dogs can be trained by people. Dogs can do number of things that people cannot. For example, they can find drugs, bodies, illegal DVDs and hunt down prisoners with (they) noses. They're also used to help the elderly and disabled.
To sum up, dogs are really friendly, civilized (文明的) and loyal (partner).
