A. green B. very C. from D. water E. clean F. swim |
To make our environment better, we have tried many different ways. Today, I will introduce one of them to you. Have you seen a kind of fish in the water? British scientists made this kind of fish. When you put it in polluted , it will become green. Why did scientists make the fish? They think the fish is able to help find out dangerous and dirty things in the water and help our rivers. Charles Tyler is the head of the study(研究). He said, "This fish also helps us understand how these dangerous things do harm to our body. It is exciting！" Charles said they would like to make more animals or objects to help clean our environment. Now scientists their countries are also interested in the project. They all want to make our world more beautiful.
