（一）单词中字母“r”发音 “卷舌”的标志显而易“听” ，卷舌音是美音区别于英音的一大特色。请注意：A 美音中除了 Mrs.中的“r ”不卷舌之外，只要含有“r ”字母的单词均要卷舌。美音 英音Spare /speEr/ /speE/Burglar /bErglEr/ /bE:glE/Purpose /pErpEs/ /pE:pEs/（二）在美音中/t/发音与/d/相近注意：美音中/t/ 出现在两个元音之间且处于非重读位置的时候，发音近似/d/， 而不是完全等同。我们这里用/d/来表示这个近似音。美音 英音city /sidi/ /siti/better /beder/ /bete/pretty /pridi/ /priti/三）听辨美音中的/A/字母 a 的发音出现在-ss, -st, -th, -ff, -ef, -nce 等前面时，美音把 a 读为/A/美音 英音cant /kant/ /ka:nt/last /last/ /la:st/Mask /mask/ /ma:sk/Chance /tfans/ /tfa:ns/Advantage /edvantidv/ /edva:ntidv/（四）由“hot dog” 看字母 “o”在美音中的发音字母 “o” 在美音读为/a/而在英音中读为/R/ 美音 英音Bottle /batl/ /bCtl/Popular /papjule/ /pcpjule/Knock /nak/ /nck/Politician /palitifen/ /pclitifen/（五）字母 u 和 ew 在英音和美音的不同字母 u 和 ew 在 l, d, n, t 之后， 美音倾向于读/u/, 而英音倾向读/ju/ 美音 英音Due /du:/ /dju:/Produce /predu:s/ /predju:s/attitude /atitu:d/ /atitju:d/student /stu:dent/ /stju:dent/Stage name and aimsTime and InteractionProcedureLead inTo interest sts byshowing the typical symblos of two country: America and Britain, and ask them wether they notice the accent, make them feel free to share pinionsT-sts,5 minsTo draw stss attention and interest by showing the picture in comparisonAmerica: stature of LibertyBritain: Big Ben T writes on the blackboard: “In fall, the leaves fall.”Ask the Sts: “Who would like to tell us what this sentence means?” while asking them to pay attention to the two words “fall”. So as to educe another word “autumn”.Give a question: “What is the difference between autumn and fall, does anybody knows?” The students will give the answer: “Because fall is American English while autumn is British English.”Tell students:“Yes, although English is spoken on both sides of the Atlantic, there are still many differences between British English and American English.Initial Task Teach students the major differnce the in follwing aspects:Word choicePronounciationSpelling T-sts,Pair-discussion5minAsk question “Do you know any other differnce between American English and British English？”Pair discussion first, then invitite three to four students to share their opinions in publicFeed back on studentss opinion, summerise it, and present the main points teacher will cover:the differnce on these apects:word choice, pronounication, spelling , grammer, and expressions of date and number.Teach: word choiceT-sts Role playPair work 10minRole play : a short dialogue adatped from senior high book,After role play, ask question: What is it that the man cant find in the bathroom? Why cant he find it?By doing this role play, sts can understand the akward situations in daily life for English speakers from two different culture.Work in pairs, try to fill in the blanks.Student A will have a chart showing the vocabulary in Chinese and American English, ,Student A try to find each corresponding words in Britich English.Student B will have a chart listing the words in Chinese and British English. Student B try to find each corresponding words in American EnglishTeach: differnce on PRONUNCIATION T-stsPractise 8min List the examples of “r” ,“t” & “d,”“a”“,o”,“u”, Practise togetherr AE BESpare /speEr/ /speE/Burglar /bErglEr/ /bE:glE/Purpose /pErpEs/ /pE:pEs/t&d AE BEcity /sidi/ /siti/better /beder/ /bete/pretty /pridi/ /priti/while practising, teacher is ready to correct sts Teach:differnce on spellingT-sts3 minsThe simplified Spelling Movementchinese AE BE公斤 kilogram kilogramme 目录 catalog catalogue 方案 program programme 对话 dialog dialogue Use the gram illustrated above to clasify the differnce on spelling,(BE-AE)1- me，-ue omitted2- ouru omitted3- re-er4- ence-enseTeach differnce on grammerTeach differnce on number and date expressionI min 3minpreposition BE： at the weekend AE：on the weekend BE： Some parents are talking about keeping their children off school. AE： Some parents are talking about keeping their children out of school. The differnce is slight , as a result , T just inform it in briefBE 2nd March, 1996 AE March 2, 1996 BE 20th April, 1987，the twentieth of April, nineteen eighty-seven；AEApril 2