Directions: Write an English composition according to the instructions given below in Chinese.
        假如你是3班的马莉, 你班将于今年寒假代表全校同学去边远山村看望贫困儿童, 请你用英语写一篇演讲稿, 号召全校同学为贫困儿童献爱心.演讲稿的主要内容包括:
1. 描述贫困儿童的困难;
2. 分析导致贫困儿童困难的原因;
3. 号召同学们采取具体措施来解决贫困儿童的困难.

注意: 1. 词数120左右；
          2. 可以适当增加细节, 以使行文连贯；
          3. 开头和结尾已为你写好, 不计入总词数.
Good morning everyone,
     I'm Mali from Class3.
                                                                                                                            
                                                                                                                                      
     Thank you!