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 。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：120词左右；
2．演讲稿开头和结尾已给出，请将其抄写在答题卡上且该部分不计入总词数 。
Good morning, everyone,
I am Li Hua from Xingguang Middle School．The topic of my speech is “Let’s Ride Bicycles”．
______________________________________________________
Thank you!
Good morning, everyone,
I am Li Hua from Xingguang Middle School. The topic of my speech is “Let’s Ride Bicycles”. As is known to us, air pollution and heavy urban traffic are becoming increasingly severe mainly due to the overuse of cars. Therefore, it’s high time we chose another better means of transport, that is, cycling.
There are many good reasons to ride bicycles. First of all, compared to cars, bicycles are much cheaper to buy and maintain, and you don’t have all the added costs of fuel, and parking. What’s more, bicycles are more environmentally friendly than cars, because they hardly make noises. Cycling has become a new trend around the world, a good way of energy saving and low-carbon life. Last but not least, cycling is an excellent way to keep fit and live longer. By riding bicycles, you can cut down on your risk of heart attacks, high blood pressure and other illnesses. So I think, riding bicycles actually has great effects on us. Let’s ride bicycles from today on!
Thank you!
英语中“please. ” “thank you” “sorry”等礼貌用语具有增进友谊，改善关系、化解矛盾等神奇的力量，因而被称为“magic words” 。请以“Magic Power of Polite Words”为题写一篇120词左右的英语作文 。体裁不限（叙述文、 评论文、 说论文……）
Having good manners is seen by many people as a sign of cultural understanding and good taste.
Polite words are one of the examples. When meeting people, saying “Hello” or “How are you” and so on means you are very polite, which will make it easy for you to communicate with others, which is the result of magic power of polite words. Otherwise, other people will hate getting on with you. And your life will become difficult. Only by saying polite words can you get on well with others.
In a word, it is polite words that will make your life become convenient.

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