题目内容：

    Do you know there is a special(特别的)job？The worker is not a man but a dog.They're a kind of dogs.They are like the eyes of blind(失明的)people.So we call them “seeing eye dogs”．

These dogs usually need to learn for two or three years.And then they live with blind people.Their job is to help blind people walk around(四处走)．They know how to cross the street(街道)．They can also avoid dangers，like cars and bikes in the street.

Sometimes you can see these dogs with blind people.Just like other dogs，seeing eye dogs are very cute.But they work hard.They can do a lot of things for blind people.They are blind people's good friends.

根据短文内容回答下列问题。

1.Is the worker of the special job a dog?

2.Why do people call the dogs “seeing eye dogs”？

3.Who do seeing eye dogs live with?

4.How long do seeing eye dogs need to study?

5.What is the difference between seeing eye dogs and other dogs?