提高英语的读写能力——拉丁、希腊语词根-课件【PPT演讲稿】.ppt

Susan Ebbers 2005 1 English Words from Latin & Greek Increase spelling, vocabulary, and prehension Susan Ebbers 2005 2 How many words are there in the English Language? ? The Second Edition of the Oxford English Dictionary contains full entries for 171,476 words in current use, and 47,156 obsolete words. To this may be added around 9,500 derivative words included as subentries. Over half of these words are nouns, about a quarter adjectives, and about a seventh verbs; the rest is made up of interjections, conjunctions, prepositions, suffixes, etc. These figures take no account of entries with senses for different parts of speech (such as noun and adjective). Susan Ebbers 2005 3 Yea, yea, so get to the point …? This suggests that there are, at the very least, a quarter of a million distinct English words, excluding inflections, and words from technical and regional vocabulary not covered by the OED , or words not yet added to the published dictionary, of which perhaps 20 per cent are no longer in current use. If distinct senses were counted, the total would probably approach …. Susan Ebbers 2005 4 Are you ready for this? ? three quarters of a million ?750,000 ? Thatsalotawords !!!!!!!!!!!!!!!!! Susan Ebbers 2005 5 Real world demands …. ? Only 30% of 4th graders are proficient readers National Assessment of Educational Progress (NAEP 2007) ? 42 million adults in the US are " functionally illiterate ," meaning that can't read the front page of the newspaper. (NAEP 2007) ? Lack of vocabulary can be a crucial factor underlying the school failure of disadvantage students (Becker, 1977; Bielmiller, 1999). Susan Ebbers 2005 6 ?The average sixth grade student knows approximately 25,000 words. ?The average high school graduate knows approximately 50,000 words. ?This means that average students learn roughly 2000-3,000 words a year (Graves, 2007). ?This translates to 8 words a day, 7 days a week, 52 weeks a year - including weeke