Unit 1 Understanding Words Unit 2 Lexical Expansion: Word Building Unit 3 Idiomatic Expression: Word Collocations Unit 4 Structural Link: FunctionWords Unit 5 Accuracy and Appropriateness: Synonymous and Antonymous Words Unit 6 Accuracy and Appropriateness: Culture-loaded Words Unit 7 Accuracy and Appropriateness: General and Specific Words Unit 8 Accuracy and Appropriateness: Formal and Informal Words
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