Cognitive semantic study of prepositional polysemy in English 并列题名：Cognitive semantic study of Chinese net loanwords 并列题名：Cognitive study on negation in the history of English 并列题名：Cognitive semantic study on the syntactic issues of Chinese attribute nouns Cognitive semantic study of Chinese net loanwords 并列题名：Lexical semantic study of Chinese opposites 并列题名：Prospective study on educational policies in China