书面表达。

     假设你是李华，你收到你的美国笔友Mike的一封E-mail，请根据邮件内容给Mike 回一封

电子邮件。

Li Hua,

   How are you going on recently? I’m so glad to tell you that I have planned to go to China to attend a

training school to study Chinese in my coming holiday. Would you please give me some suggestions on

how to learn Chinese well?

   Write back soon, please.

                                                                                                                                  Mike

     写作要点：1. 上课认真听讲，做好笔记;

                         2. 课外大胆开口，多与人交流，提高听力能力;

                        3. 合理安排时间，勤加练习。

     注意：1. 词数120左右。开头语已为你写好。

                 2. 内容可适当发挥，注意行文连贯。

Mike,

  I'm so glad to learn that… _________________________________________________________

______________________________________________________________________________

                                                                                                                                           Yours,

                                                                                                                                            Li Hua

空气主要由氧和氮组成，占（）以上，其次是氩占（）。