I am worker at the tap water company. I find that      1. __________

people were becoming more and more careful about               2. __________

health .If the tap water appear a little bit unclear           3. __________

and muddy, the telephone will ring again and again.            4. __________

Fortunately, people do not pay equal attention to the          5. __________

protection of water resources .For the sake of our             6. __________

health, we should take good care our water resources           7. __________

and environment. There is a saying “whether we do              8. __________

not careful protect our environment, the last drops            9. __________

of water we will see them will be our own tears.”             10. __________