小学三年级英语:阅读一

　　Dogs

　　One of the animals that help people a lot is the dog. In some countries, dogs pull wagons. In the cold north, dogs pull sleds.

　　There are other ways that dogs help us, too. Policemen use them to look for missing people. Soldiers use them to carry letters and medicine .On farms, dogs take care of sheep and keep them in the fields. At night, they take the sheep home. Dogs help the blind with work. Some dogs are good and kind. Some dogs are good at another skill.