阅读以上短文，完成下面各题，每空一词。

（A）

    My ideal schoo lis not far from my home. It takes me 15 minutes to walk there. In the school, there are a lot of trees and flowers. It's very beautiful. We also have a big school library, a swimming pool and seven computer rooms. We begin our classes at 8:00 a.m. and finish them at 4:00 p.m. So we have a lot of time for after-school activities. Every day we only do our homework for an hour. Every month we can go on a school trip. How wonderful the school life is!

小明从市环境监测网随机查阅了若干天的空气质量数据作为样本进行统计，分别绘制了如图的条形统计图和扇形统计图，根据图中提供的信息，可知扇形统计图中表示空气质量为优的扇形的圆心角的度数为____．

①黄山风景区在我国安徽省南部____

②日月潭的风景真美啊____

③你去过新疆吐鲁番吗____

④妈妈____你带我去公园玩一趟吧____

 对下列词语的有关化学原理解释不合理的是（　　）