Directions: For this part, you are allowed 30 minutes to write a composition write a composition based on the graph below. 1. Rise and fall of the rate of car accident as indicated by the graph; 2. Possible reason(s) for the decline of car accidents in the city; 3. Your predictions of what will happen this year. 加一个图表 Your composition should be no less than 120 words and you should quote as few figures as possible.