题目

I was blind, but I was ashamed of it if it was known. I refused to use a white stick and hated asking for help. After all, I was a teenage girl, and I couldn’t bear people to look at me and think I was not like them. I must have been a terrible danger on the roads. Coming across me wandering through the traffic, motorists probably would have to stop rapidly on their brakes. Apart from that, there were all sorts of disasters that used to occur on the way to and from work. One evening, I got off the bus about halfway home where I had to change buses, and as usual I ran into something. 我国的四大工业基地是________工业基地、________工业基地、________工业基地、________工业基地．