2024届高考英语词汇构词法专题Word Decoding-Roots 词根学案

高考英语词汇构词法专题Word Formation -Root(词根)- A root word is the word, or part of the word, _____ gives the word its meaning. Some root words are real words on their own, such as ‘friend.’ This word means something _______ a prefix or suffix. Example: ‘Friend’ is a word all by itself: He is my friend. Adding a prefix or suffix to the word changes the meaning of the word, but the root of the word stays the same. Take a look: friendship → ‘the state of being friends’ friendly → ‘of or like a friend; kindly’ unfriendly→ ‘unlike a friend; hostile’ friendless → ‘without a friend’ _______ root words need a prefix or suffix to be a full word. Let’s take a look at an example of this:  The root ‘aud’ means ‘to hear’ ; ‘aud’ is part of a word and cannot be used as a word on its own.  Adding a suffix completes the word and gives it additional meaning, but does not change the root, ‘to hear’ aud + the suffix ible = audible, meaning ‘ _______ be heard’ aud + the suffix ology = the ‘_____ of hearing Exercise 1 Exercise2 1. agrarian ______ 2. anniversary ______ 3. employment ______ 4. anthropology ______ 5. archaeology ______ 6. aquarium ______ 7. useless ______ 8. audience ______ 9. automobile ______ 10. beautiful ______ 11. century ______ 12. chronicle ______ 13. civilization ______ 14. faithfully ______ 15. wonderful ______ Use what you know about root words to match the word with the correct definition. A. the study of early cultures, or the first things in history B. full of question C. having to do with farming in the field D. of no use E. a group of people who hear something F. something that happens every year, on a certain date G. full of belief H. a record of the history of events in time I. the study of early humans