Choose the best answers to complete the sentences. (7 pts)

5. Deforestation destroys the ___________ of nature.

A. similarity                  B. balance          C. source            D. resource

6. To save endangered animals, wildlife trade has to be completely ___________.

A. banned                    B. promoted       C. developed       D. punished

7. A(n) ___________ is the plants and living things in a particular area and the way they relate to their physical environment.

A. biodiversity              B. environment  C. ecosystem      D. ecotourism

8. We should do more to reduce the ___________ effects of tourism on the environment.

A. negative                  B. positive         C. endangered     D. natural

9. ___________ involves thousands of people visiting the some place at the same time.

A. Ecotourism                                B. Responsible tourism

C. Sustainable tourism                  D. Mass tourism

10. Buying local products is one way to show that you are a ___________ tourist.

A. responsible              B. serious           C. friendly           D. confident

11. Ecotourists respect the local ___________ by following the customs and traditions of the places they visit.

A. businesses               B.cultures          C. education       D. environment