A. He puts rubbish on the beach.
B. He closes the factory rubbish chute with Linda. C. He puts rubbish into the bin.
（ ）19. What do Henry and Linda do together?
A. They put rubbish into the sea. B. They make the beaches dirty. C. They clean up the rubbish.
判断正误。（正确写“Ｔ”，错误写“Ｆ”） （ ）1. The helicopter uses energy from the oil.
（ ）2. Linda wants to find out who is putting rubbish into the sea. （ ）3. The sea and the beaches become dirty and messy at last. （ ）4. Dolphins usually swim in groups.
（ ）5. Dolphins don’t like to play with people.
（ ）6. Dolphins make sounds and talk to each other in the water. （ ）7. Energy from the sun is called solar power.