若a=﹣0.3²，b=﹣3^﹣2，c=${\left(-\frac{1}{3}\right)}^{-2}$；d=${\left(-\frac{1}{3}\right)}^0$，则它们的大小关系是（　　）

阅读材料，完成下列各题．

材料一：南极地区是世界上最冷的地区，年平均降水量为 55 毫米，降水量最少的地方

不足 5 毫米，年平均风速为 17～18 米/秒，最大风速可达 100 米/秒，素有“世界寒极”“白色荒漠”“地球风库”之称．南极地区因丰富的自然资源和独特原始的自然环境而成为科学考察的宝地．

材料二：“南极地区图”

    Mrs. Smith loves flowers and she has a small but beautiful garden (花园). ____ summer, her flowers are usually the ____ (good) in the street. One summer afternoon, her bell rings (铃响) and she finds a small boy ____ her door. He is about six years old and having a big bunch (束) of beautiful flowers in ____ (he) hand.

    "I ____ (sell) flowers," he says. "Do you want any? They are very cheap and they are very good."

    "My boy," Mrs. Smith ____ (say), "I can pick flowers if I want, and I don't want to buy any flowers, ____ I have a lot in my garden."

    "Oh, now you ____ (have)," says the boy. "There aren't any flowers in your ____ because they are here in my ____."

①网络发展正深刻影响中国公民的政治参与

②公民真正享有和行使政治自由权利

③公民利用网络应该坚持权利与义务的统一

④宪法和法律是公民根本的行为准则

①排尿 

②排便  

③呼气   

④出汗