精选优质文档-倾情为你奉上Passage TranslationUnit1 page 12Mastering a large bank of vocabulary is crucial to speak a foreign language fluently.Unofficial but often quoted statistics about Cambridge First Certificate Examination show that students whose vocabulary less than 3500 words are less likely to pass this exam.The recent research also indicates that the native English speakers educated to or above 18 years old know at least 16000 English words.Unless you can speak a language like S
