①矛盾关系是指对立的两种情况，没有第三种情况存在，非此即彼，非彼即此　

②反对关系是指在对立的两种情况之外，还存在其他情况，非此不一定彼，非彼不一定此。③“正义战争”和“非正义战争”，不是“正义战争”一定是“非正义战争”这是属于矛盾关系 

④比如“红色”和“白色”。不是“红色”，不一定就是“白色” 这是属于反对关系

根据短文内容及首字母提示，填写所缺单词，使短文意思完整。每空一词。
     The environment is becoming worse and worse . There are many kinds of pollution that I worry a____ . The most serious two are n____ pollution and air pollution , because people can't live h____ with polluted air. Animals can't live in the world , e____ . More and more people are becoming i____ because of  polluted air .
     I think factories should not p____  dirty water into rivers directly. We'd better go on foot or by bike i____ of by car . Finally , everyone must pay a____ to rubbish pollution . If everyone makes so much rubbish , one day we may live in a world f____  of rubbish . How terrible it will be ! We should take a____ to make our world cleaner and more beautiful

—          . I prefer water.

读澳大利亚图（如图），回答下题。