在一定区域范围内，城市的等级越高，城市（  ）

根据材料内容及所给首字母提示填空，使材料意思完整、通顺。

    Susan was a woman who didn't like animals at all．She never w____ to keep any pets at home．To her, all pets were very dirty and boring．Susan could never understand w____ people would like to have pets in the house．"It is so stupid(愚蠢的)!"she always said．

    Last month Susan's daughter, Penny,came home from school w____  a mouse in a box,Susan was very angry．But Penny said that it was her h____．Her teacher asked each student to take care of an animal and l____ to get along with it．Susan had to say y____.

    It was fun for Penny at the very beginning, but then she got quite lazy(懒的) and f____to do her homework．It became Susan's homework．She g____it food and water every day and found that the mouse was in fact not dirty．She e____ talked to it! It was not boring or stupid!Now Susan is having a good time with"her" mouse．She named it Nini．And she is going to buy a____one to make a pair．

  2010年起，北京市专业气象台制作了红叶观赏指数（黄栌等植物叶片变红的比例越大，指数越高，它是确定最佳观赏区的依据），每天向社会公布。下表是2012年依据红叶观赏指数预报的部分数据。读表，回答问题。

读课文，把种树人回答作者问题的话概括起来。

例：到底应该什么时间来？多久浇一次水？

答：模仿老天下雨，时间不确定。

问：如果你每天来浇水，桃花心木苗该不会枯萎吧？