题目内容：

假设你是新华中学的李华，将参加主题为“Let’s Ride Bicycles”的英语演讲比赛，请撰写一份演讲稿，主要内容包括：

1.目前汽车带来的空气污染和交通堵塞等问题；

2.骑自行车的益处，如节能环保、有利健康等。

参考词汇：低碳生活（low-carbon life）;节能（energy saving）

注意：1. 词数：100词左右；

2. 演讲稿开头和结尾已经给出，不计入总词数。

Good morning, everyone.

     I’m Li Hua from Xinhua Middle School. The topic of my speech is “Let’s Ride Bicycles”.

                                                                                    

                                                                                     

                                                                                    

                                                                                    

                                                                                     

                                                                                    

                                                                                    

                                                                        

Thank you!