Shanghai is a modern city. It likes new things. Shanghai was a(n)   1   city even a hundred years ago,
so there is a(n)   2   -if Shanghai likes new things, what should it do with the old things?    
     The government (政府) thinks a modern city should have both old and new things. The Waibaidu
Bridge is an example. People built it over one hundred years ago. When it   3   , the government decided
to spend a lot of money rebuilding (重建) it. The government did this   4   it believes that the city needs to
remember its history.    
     There are also some people working to save historical (历史的) things. Mr Wang is one of   5   .
When he was fifty years old, he   6   from Canada to Shanghai, his hometown, and started to collect
materials (材料) of old houses. He believed that old houses were a(n)   7   part of China's history so he
tried his best to save them. He   8   the materials to other places and rebuilt them.    
     You can also help to remember the past. Get a camera and take   9   of old things. Ask old people to
tell you stories about Shanghai's  10   . It can be fun and you can see how some new things in the past are
old now.