现在环境污染越来越严重，请你写一封100词左右的信呼吁人们保护环境，遵守规则．要点如下，信的开头和结尾已给出，不计入总词数．要点如下：1．保持周围环境清洁，不要…，不要…；

Question

现在环境污染越来越严重，请你写一封100词左右的信呼吁人们保护环境，遵守规则．要点如下，信的开头和结尾已给出，不计入总词数．要点如下：
1．保持周围环境清洁，不要…，不要…；
2．在公共场所大声谈笑是粗鲁无礼的，在图书馆…；
3．如果有人挡住你的路，可以说"劳驾"然后足够有礼貌等他移动；
4．离开教室时关闭所有的灯，购物时…；
5．还应解释保护环境的重要性；
6．发出倡议．（1-2句）
Dear all，
The environment around us is becoming worse and worse．We must do something to stop it．
                                                                          
Yours sincerely，
Tom．

Answer 1

Dear all，
  The environment around us is becoming worse and worse．We must do something to stop it．（开篇点题）
  First，we shouldn't throw litter everywhere．Don't pick the flowers by the street．We must keep the environment around us clean and tidy．Next，it's rude and impolite to talk and laugh loudly in public places．【高分句型一】We must keep quiet in the library．If someone is in your way，you may say"Excuse me"and be polite enough to wait till he moves．Turn off all the lights when we leave the classroom．We had better take our own bags when shopping．Moreover，we should explain the importance of protecting the environment．（提出建议）
  We will live a green life if everyone takes action to protect the environment．【高分句型二】（发出倡议）
                                                                                                                                                                                                               Yours sincerely，