听力原文：

Zhang Hua is a student in Beijing. He uses iron and other materials from old cars or machines to make beautiful art pieces. He set up a small business in Beijing two years ago. He makes large pieces of metal art that look like animals or humans, and he makes smaller pieces for the home. The more popular works can even be seen in art shops around the city. Zhang Hua hopes to set up a website to sell them online. He is thinking about writing a book that teaches people how to use old iron materials to make metal artwork. Not only can the art bring happiness to others, but also it shows that even cold, hard iron can be brought back to life with a little creativity.

答案：4. A 5. A