GregoryKloehndigsthroughdustbinseveryday,butnotforthere...

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问题详情：

Gregory Kloehn digs through dustbins every day, But not for the reason that most people would think. He isn't homeless. In fact he is trying to help the homeless.

Gregory began his life as a sculptor. But he often felt that his sculptures，which just stood in rich people's houses for years, lacked a meaningful purpose. So in 2011 he decided to put his artistic energies into creating homes to sell—not ordinary homes but small structures built entirely from recycled materials.

The thought of creating homes for the homeless didn't occur to him until the year 2013, when a homeless couple asked him for a tarp(防水布). Instead of a tarp, Gregory offered them something better: a small home with a water tank, a kitchen and a trap(容器) for waste. They were so grateful that Gregory decided to focus his efforts on helping house the homeless population in his city. And soon his “Homeless Homes Project” was started.

Before starting a new home, Gregory, goes hunting for materials by digging through dustbins. Everything he finds is usable—refrigerator doors become house doors; washing machine doors often serve as windows, and the tops of cars become strong roofs. He put wheels at the bottom for users to move their homes around easily. Each home takes two to three days to make.

So far Gregory has donated dozens of homes to the city's most needy. While his small lowcost mobile homes are not the final solution to the problem of homelessness, they are really practical and do provide a warm and safe place for the homeless to stay in. They are simply a way for one man to do something nice for those in need of some help.

Gregory has written a book titled HomelessArchitecture, where he explains techniques to build those homes and he is now working on weekend workshops. “A lot of people who hear about what I'm doing want to get involved，” he said. “Maybe we can meet someplace and put a couple of homes together.”

28．Why did Gregory turn from making sculptures to creating homes?

A．He had no home to live in.

B．He wanted to help the homeless.

C．He lost interest in sculpture.

D．He had to make more money.

29．The author mentions the story in Paragraph 3 to tell us ________．

A．Gregory's small homes were popular among the homeless

B．housing the homeless in a city was not an easy task

C．the homeless couple asked Gregory to produce more homes

D．how Gregory got the idea of “Homeless Homes Project”

30．What can we conclude from Paragraph 4?

A．Gregory's work requires imagination and creativity.