单词分类。请将单词或短语按要求分类，（只写序号）

1. read comics       2. chew gum                           3. short                               4. get up early    

5. medium build     6. play on the swim team         7. sleep with light on            8 .play games    

9. straight hair       10. heavy                                11. watch TV                      12.thin          

13. paint pictures   14. attend gym class               15. eat candy

A 容貌外表_______  _________  ________  ________  ________    

B 生活习惯________  ________  ________  ________  ________    

C 活动爱好________  ________  ________  ________  ________

古代自然观有什么特点和局限性？