阅读理解

　　The students were having a chemistry(化学)class．Mr Liu was telling the children what water was like．After that, he asked his students, “What’s water like?” No one spoke for a few minutes．Mr Liu asked, “Why not answer my question? Did I tell you what water is like?”

　　Just then a boy put up his hand and said, “Mr Liu, you told us that water has no color and no smell．But where can I find such kind of water? The water in the river behind my house is always black and it has 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．”

根据短文内容判断正(T)误(F)。