【正文】
字母[f] [v] [s] [z] [θ] [δ] ,注意清輔音和濁輔音的正確讀音。(1) 清輔音[f]和濁輔音[v]:唇齒摩擦輔音。發(fā)音時下唇輕觸上齒,氣流由唇齒間通過,形成摩擦音。/f/是清輔音,聲帶不振動;/v/是濁輔音,聲帶振動。(2) 清輔音[s]和濁輔音[z]:舌齒摩擦輔音。發(fā)音時舌端靠近齒齦,氣流由舌端齒齦間送出,形成摩擦音。/s/是清輔音,聲帶不振動;/z/是濁浦音,聲帶振動。(3) 清輔音[θ]和濁輔音[240。]:舌齒摩擦輔音。發(fā)音時舌尖輕觸上齒背,氣流由舌齒間送出,形成摩擦音。 /θ/是清輔音,聲帶不振動; /240。/是濁輔音,聲帶振動。(切記 舌頭放在牙齒中間)2. 把每個輔音和每個元音相拼。如[f?:] [f?] [f?]…Step3 Practice1. 把這十二個音標寫在黑板的四線格內(nèi),注意每個音標在四線格內(nèi)占的格數(shù),要求學生在練習本上仿寫一遍,一定要書寫規(guī)范。2. 學生按照順序讀黑板上的音標,糾正個別錯誤。3. 展示一些單詞的音標,請學生拼讀。Step5 Homework1. 熟讀今天所教的音標。2. 默出字母OZ的音標。板書:[f] few office [v] very of [s] sorry sit [z] zoo is [θ] thank mouth [δ] that these課后評價:第三課時課題:consonants輔音(摩擦音)[∫] [з] [t∫] [dз] [tr] [dr] 課型:NEW教學目標:1. 要求學生熟練掌握輔音1. [∫] [з] [t∫] [dз] [tr] [dr]2. 要求學生熟練掌握字母AaZz的音標。教學重點和難點:1. 掌握輔音[∫] [з] [t∫] [dз] [tr] [dr]的正確發(fā)音、口形變化及讀音規(guī)則。2. 26個字母按讀音歸類。教學過程Step1 Revision1. 讀音標:[?:] [?] [?] [f] [v] [s] [z] [θ] [δ] [∫] [з]把元音和輔音相拼(小組比賽)Step2 Presentation1. 教六個輔音[∫] [з] [t∫] [dз] [tr] [dr],學生反復(fù)模仿這六個發(fā)音,注意前后兩個音的區(qū)別。5. 在學生熟悉了六個輔音的基礎(chǔ)上,請他們把輔音和每個元音相拼,糾正其中的錯誤。Step3 Practice1. 把這六個音標寫在黑板的四線格內(nèi),注意每個音標在四線格內(nèi)占的格數(shù),要求學生在練習本上仿寫一遍,一定要書寫規(guī)范。2. 學生按照順序讀黑板上的音標,糾正個別錯誤。3. 展示一些單詞的音標,請學生拼讀。4. 朗讀繞口令:How many cookies could a good cook cook if a good cook could cook cookies? A good cook could cook as much cookies as a good cook who could cook cookies.Step4 Practice1. 請幾個學生把字母的音標寫在黑板上,看誰寫得又快又正確。2. 把這26個字母按照讀音歸類。Step5 Homework1. 熟讀今天所教的音標。2. 把字母按照讀音歸類,并寫出每一類所含的音標。板書:[∫] fish she [з] usually [t∫] child teach [dз] just age [tr]