综合填空：根据短文大意和语境选择方框内的单词，并用其正确的形式填入空白处（每空填一词），使补全后的短文意思通顺，语法正确，结构完整。

though    slow down    hit    safe      opposite

 

A Bike Accident Bicycles are popular with young people. Though bicycles are much     than any other vehicle, sometimes bicycle accidents also happen. At about 4 p.m. in Xinhua Street yesterday afternoon, a young man was riding very fast.    there is a sharp turn to the left meters away，the young man didn’t    .  Suddenly a truck came from the Side. He ran into the wall to     the truck. His arm was badly hurt. The truck driver ran to him, called the 122 hotline and sent him to the hospital.