题目内容:
Direction: For this part you are allowed 30 minutes to write a composition on the topic :Cell Phones .You should write no less than 120 words and base your composition on the outline below: 
1. 描述上图所示的手机用户数的变化情况
2. 出现这种情况的原因
3. 对此现象作出评价
参考答案:
答案解析: