关于地球自转的速度，说法正确的是(      )

随着电视动画片的出现，连环画册逐渐退出了人们的生活；随着电视机、DVD、网上影院的出现，到电影院去看影片的人越来越少。这说明（    ）

人体呼出与吸入的气体相比，减少最多的气体为 （   ）

注意: 1. 词数 120左右2. 短文的开头 和结尾已给出,不计入总词数.

参考词汇: 广场舞 square dance       组织者 organizers

Dear Sir,

    I'm writing to tell you something about the people doing the square dance in our community, which has made me terribly upset.

    Best wishes.

                                                                                                                                                            Sincerely yours,

                                                                                                                                                                   Li Hua