第一组来到当地人民检察院，看到这里正在举行新任命的检察院工作人员向宪法宣誓仪式。我宣誓：“忠于中华人民共和国宪法，维护宪法权威，履行法定职责，忠于祖国、忠于人民，恪尽职守、廉洁奉公，接受人民监督，为建设富强、民主、文明、和谐的社会主义国家努力奋斗！”

第二小组的学生分头采访了街头的普法宣传志愿者、运用法律手段讨薪的农民工、举报制售盗版光盘的消费者、按照程序查看政府“账单”的网民……

   John lives on a farm. The farm is not very big. His parents grow rice and corn. They don’t use animals to do farm work any more. Today they use a tractor(拖拉机). It works faster and better. After he does his work in the fields, he likes to sit and look at the blue sky and the green hills. He thinks the country is more beautiful than the city. In the city, he can’t hear the animals. In the country, he can hear birds singing. He likes to play with his dog, Cody. Cody is a very interesting dog. He likes to follow people. When they stop, he stops.
   When they walk, he walks. John thinks Cody is the best dog of all.

下列关于人口问题的叙述正确的是（　　）