Unit 7 Making a Living
Text A  Life of a Salesman           Lecturer: Xiao Qiuying
  Door to Door is a film made from the ture story of a salesman Bill Porter.
            Who is Bill Porter?
In some people's eyes, he is a poor man because of his bumpy fate.While in some people's eyes, he is a great man because of his strongwill. His success encouraged thousands of people.He is the top seller of Watkins.