6. The Japanese eat a lot of fish instead of meat        they stay more healthy.

     A. but                      B. because                        C. although                      D. so

7. Do more exercise         eat more fruit and vegetables.

     A. but                      B. or                                  C. and                               D. so

8.When you have a temperature, you should drink more water and rest                    .

     A. most                    B. more                             C. most                             D. less

9. Do you believe that eating      carrots helps you see at night?

     A. much more        B. less                               C. most                             D. the most

10. Children do more exercise than adults,_________ they are more active

     A. so                        B. but                                C. or                                  D. and