假设你是星光中学的李华,将参加主题为“let’s ride bicycles”的英语演讲比赛.写一份演讲稿,主要内...假设你是星光中学的李华,将参加主题为“let’s ride bicycles”的英语演讲比赛.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,如能环保有利健康等.

假设你是星光中学的李华，将参加主题为“let’s ride bicycles”的英语演讲比赛。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，如能环保有利健康等。问题补充：

Good morning,everyone,

Good morning,everyone,I am Li Hua form Xingguang Middle School.The topic of my speech is "Let's Ride Bicycles".As is known to all,with the improvement of people’s living standards,cars have become a ...

Bicycles are still welcomed at present because riding a bicycle is good for one’s health, and it can save energy and the most important reason is that it can help protect our environment.