The students were having their chemistry（化学）class. Miss Li was telling the children what w

The students were having their chemistry（化学）class. Miss Li was telling the children what water was like. After that, she asked her students, “What’s water?”No one spoke for a few minutes.Miss Li asked again,“Why don’t you answer my question？Didn’t I tell you what water is like？”
Just then a boy put up his hand and said,“Miss Li,you told us that water has no colour and no smell.But where to find such kind of water？The water in the river behind my house is always black and it has a bad smell.”Most of the children agreed With him.
“I’m sorry,children.”said the teacher,“Our water is getting dirtier and dirtier.That’s a problem.
【小题1】The students were having their class. A．EnglishB．ChineseC．chemistryD．maths【小题2】Miss Li was telling the children what was like. A．waterB．airC．earthD．weather【小题3】A boy said,“The water in the river behind my house is always .”A．whiteB．blackC．cleanD．clear【小题4】Most of the children the boy. A．agreed withB．wrote to C．heard fromD．sent for【小题5】The water in the river has colour and smell because it is getting . A．more and moreB．less and less C．cleaner and cleanerD．dirtier and dirtierC

(答案→)C 解析：【小题1】C根据第一句The students were having their chemistry（化学）class.可知学生们在进行化学考试【小题1】A根据第一段第二句Miss Li was telling the children what water was like可知答案【小题1】B根据第二段The water in the river behind my house is always black可知男孩认为水是黑色的【小题1】A根据第二段最后一句Most of the children agreed With him.“孩子们都赞同他的话”【小题1】D根据最后一段最后一句Our water is getting dirtier and dirtier.That’s a problem. “我们的水变得越来越脏”

就是这个解释