人教版(2019) 选择性必修第三册 Unit 3 Environmental Protection拓展词汇讲解课件(共15张PPT).pptx
(共15张PPT)
选修三 Unit 3 Vocabulary
Extensive words
Learning Objectives
After this class, we will be able to
1. be familiar to common prefixes(前缀) and suffixes(后缀).
2. master the skill of guessing new words based on the word-formation.
3. master the usage of some key words.
Extensive words
1. graph n....