如何巧猜生词课件.ppt
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1、新干中学 曾爱华,新干中学 曾爱华,Lead-in(课堂导入): If you come across the new words in your reading comprehension , how will you deal with them?,The better way - Guess,阅读理解中如何巧猜生词 ?,Todays Task (教学任务): How To Guess Unknown Words Properly In Our Reading Comprehension ?,高考例题Yet, shopkeepers may have to spend much time
2、to deal with problems, such as shoplifters, who always take away things from the shop without paying for them. (2011年全国卷),一 . Word Formation 构词法,派生法(Derivation),合成法(Compounding),转化法(Conversion),缩略法(Abbreviation),lucky unlucky; design designer,space + ship spaceship,clean adj. clean vt.,Information t
3、echnology IT,1、派生法(Derivation),前缀(prefix) + 词根(root) = 新词 词根 (root) + 后缀(suffix) = 新词,un- dis- im- mis- non- in-,understand polite smoker agree fair active,unfair disagree impolite misunderstand nonsmoker inactive,To enlarge his vocabulary, last night Tom stayed up late into the night. As a result ,
4、 he overslept this morning.,2. over- : (1) too much (太,过于),overeat/overweight/overwork/overtired/overcook.,Some important prefixes(前缀):,1. The trains are _during the Spring Festival. (crowded) 2. The little boy is _ for his age. (develop) 3. Our teachers often _us to study hard .(courage),overcrowde
5、d,overdeveloped,1. en- : 使,enable/ endanger/enrich/encourage,发育过度,过于拥挤,encourage,鼓励,Some important suffixes 后缀 (root + suffix ):,collect hope home improve decide short happy eat,-ment -sion -tion -ness -ful, -able -less -en,collection n. hopeful/less adj. homeless adj. improvement n. decision n. sho
6、rten vt. happiness n. eatable adj.,-ment, -tion, -sion, -ness, -ful, -able, -less, -en等,Lets have a competition!,I. Guess the Chinese meaning of the complicated words. imbalance immoral abnormal illogical irregular irrelative inhuman inseparable nonstop unintentionally unbelievable theoretical envir
7、onmentalist,II. Change the roots as many as possible according to prefix and suffix compete vary believe consume concern logic attend devote person intend real organize produce hope legal forget,with their shining brown eyes, shaking tails(尾巴) and unconditional love, trained dogs can provide the non
8、judgmental blind men with useful help . (2010NMET),unconditional: nonjudgmental:,无条件的,绝对的,没有判断力的,高考题 根据构词法和语境猜测划线词义.,2、合成法(Compounding),把两个或两个以上独立的词合成一个新词。,worldwide underwear waiting-room heart-to-heart,世界范围的,内衣,候诊室/候车室,心连心的,练习题 In this World Football Cup for the ball players from both Spain and Ho
9、lland, playing well in the final football game and winning are the life-and-death affairs. ( 2011 News Report from China Daily),生死攸关的,Never trouble trouble until trouble troubles you.,V.,n.,n.,V.,麻烦不找你就别惹是生非。,3、转化法( Conversion ),由一种词性转化为另一种词性的词。,4、缩略法( Abbreviation ),PC 3G SOS WWW VIP,Personal Compu
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