题目内容：

Electric bicycles are now playing 1. important role in the daily life of many students of Yushan No.1 Middle School. 2.fact, they seem to have become a necessary and important part of their school life. By3.(give) them rapid transportation, electric bicycles have freed some students from having accommodation on campus. This, in some way, helps to relieve the school of the 4. (grow) of its dormitories(寝室). For many families, electric bicycles are also very 5. (help). They have made 6. possible for parents to send their children to the school in a relatively shorter time.

7., the use of electric bicycles has also led to some problems. When the teenage students have the use of the bicycles, their parents can’t keep an eye on8.. Some students don’t follow traffics rules at all. There is a 9.(great) danger if a student shows off by speeding or after drinking alcohol. Too many electric bicycles are parked around the campus, 10.affects the traffic and the image of our school as well.