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?” 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?”
“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 | D．maths |
【小题2】Miss Li was telling the children what ______ was like．
| A．water | B．air | C．earth | D．weather |
【小题3】A boy said，“The water in the river behind my house is always _______．”
| A．white | B．black | C．clean | D．clear |
【小题4】Most of the children _______ the boy．
| A．agreed with | B．wrote to | C．heard from | D．sent for |
【小题5】The water in the river has colour and smell because it is getting _______．
| A．more and more | B．less and less |
| C．cleaner and cleaner | D．dirtier and dirtier |
