阅读短文，选择最佳答案。
The students were having their chemistry class, Miss Li was telling the children what water was like. After that, she asked her students, “What’s water like?” No one answered. 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 can we 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．English | B．Chinese | C．chemistry |
【小题2】Miss Li told the children that water has ______.（ ）
| A．no colour | B．no smell | C．no colour and no smell |
【小题3】A boy said, “The water in the river behind my house is always ______.” （ ）
【小题4】Most of the children ______ the boy. （ ）
| A．agreed with | B．wrote to | C．heard from |
【小题5】The water in the river has colour and smell because it is getting ______.（ ）
| A．hotter and hotter | B．dirtier and dirtier | C．cleaner and cleaner |
