15. If we reuse something, it will not end up as waste.

14. Professor Stevenon, who has devoted himself to protecting the milu deer, gave a talk to Chinese college students in Beijing.

13. She has made a list of things she can do.

12. Even small things can make a big difference.

11. When the habitat of a species is changed or destroyed, the animal or plant has to either adapt to the change or find a new home. (when = if )

10. If we know more about what causes endangerment, we may be able to take measures before it is too late.

9. If we want to live a better life and have a bright future, we must learn to act in ways that do not harm other living things.

8. “We often talk about how important it is to take good care of ourselves and our planet, but we don’t always do as we say,” Steve says as he takes us on a tour of green Park in Birmingham. ( on a tour of…= visit…)

7. We human beings could not survive without all the plants and animals around us.(without=if… not)

6. Steve Jones is an environmental expert who tries to keep animals and plants from becoming endangered.