Unit2ExploringEnglishPeriod2GrammarVocabulary课件-高中英语

外研版必修第一册Unit2Period2Grammar&Vocabulary12ToknowthewordformationrulesinEnglish;ToknowthedifferencesbetweenAmericanEnglishandBritishEnglishinspellingandwordschoice.目标一:ToknowthewordformationrulesinEnglish.Activity1:Readthesentencesbelowandsaytheusageofthewordsinbold.①Herexpressionchanged

whensheheardthenews.②Olderpeoplesometimesfindithardtoacceptchanges.③Theyaskedagreatmanyquestions

aboutEngland.④Itneveroccurstothemtoquestion

thedoctor’sdecisions.⑤Wouldyoupleasedry

myclothesinthesun?⑥Wewilltryourbesttobetter

ourlivingconditions.⑦Hegotfirstplaceinthefinal.⑧ShespeaksItalianlikeanative.(1)change在句①中用作____________，在句②中用作____________；(2)question在句③中用作____________，在句④中用作____________；(3)dry,better通常用作形容词，在句⑤和句⑥中dry,better都用作____________；(4)final和black通常用作形容词，在句⑦和句⑧中的final和black都用作____________。动词名词名词动词动词名词Summary:【拓展】转化法：把一种词性转化为另一种词性，词形不变。转化后的词义可以通过原词义推断出来。a.动词转化为名词Let'stalkaboutit.(咱们谈谈这件事吧。)Ithinkwe'dbetterfinishthetalknow.(我想我们现在最好结束谈话。)b.名词转化为动词Shegavemeaglassofwater.(她给了我一杯水。)Youshouldwatertheflowerstwiceaweek.(你应该每周给这些花浇两次水。)c.形容词转化为名词Sheiswearingablackdress.(她穿着一条黑色的裙子。)Thegirlinblackisverybeautiful.(那个穿黑衣服的女孩很漂亮。)d.形容词转化为动词Tomisabraveman.(Tom是一个勇敢的人。)Healwaysbravesthedifficultiesinlife.(他一直勇敢地面对生活中的困难。)Activity2:Lookatthewordsbelow,andsummarizetherules.①possible（可能的）→impossible（不可能的）understand（理解）→misunderstand（误解）②tradition（传统）→traditional（传统的）teach（教）→teacher（教师）③home（家）＋town（城镇）→hometown（家乡）black（黑色的）＋board（板子）→blackboard（黑板）④WorldTradeOrganization→WTOassoonaspossible→ASAP⑤advertisement→adlaboratory→lab(1)第①组单词中，后面的单词是由前面的单词加____________构成的，后边单词词性一般____________；(2)第②组单词中，后面的单词是由前面的单词加____________构成的，后边单词词性一般____________；(3)第③组单词中，后面的单词是由前面的两个单词____________而成的。(4)第④组词汇是由前面词汇的_________________得来；(5)第⑤组单词是由前面单词_________________得来Summary:前缀不改变后缀改变合并首字母缩写截短【拓展】1派生法：在词根上加前缀或后缀，构成新词。前缀和后缀有一定的含义或功能，有助于推测新词的词义。一些常见的前缀、后缀及其含义或功能如下。词缀含义/功能例词前缀dis-不disagreeim-,in-不impossible,inexpensiveinter-在......之间；相互internationalmis-错误地misunderstandnon-不，非non-smokerpre-在......之前previewre-再，重新retellun-不unable后缀-er,-or（做某事）的人，......者dancer,actor-ment表示动作、状态、结果development-ship表示技能、地位、性质friendship-tion表示结果reflection-able表示可......的，有......性质的comfortable-ful表示充满......性质的useful-less表示无、没有careless-ous表示有......特性的nervous-ly表示方式carefully2合成法：把两个或两个以上的独立且语义不同的单词合成一个新词，构词方式较灵活。合成词的词义通常可以由组成它的单词的词义推测出来。a.合成名词news+paper=newspaperhair+cut=haircutb.合成动词baby+sit=babysitover+look=overlookc.合成形容词heart+felt=heartfeltkind+hearted=kind-heartedd.其他合成词every+one=everyonethrough+out=throughout3缩写：用单词或短语的部分内容指代整体。UnitedNations→UNAsia-PacificEconomicCooperation→APECtelephone→phone

aeroplane→planekilogram→kilo

laboratory→labinfluenza→flu

refrigerator→fridgeActivity3:Lookatthesentencesandexpressionsfromthereadingpassage.Matchthewordsinboldtothetypesofwordformation.aNeitheristherepinenorappleinpineapple.b...sculptasculpture...cWhenwe...seerain...,wecansay“it’sraining”...dWHOdcbaNowlookformoreexamplesofeachtypeinthereadingpassage.Activity4:Completethepassagewiththehelpofwordformation.penfriendwell-known

incorrect

unhappy

improvementcalmpresentingWTO

ASAP

GroupAGroupBunlike,dislike,likely,likelihoodunlike,dislike,likeness,likely,liking,unlikelylikeActivity1:LookatthepicturesandgettoknowtheAmericanEnglishwordsandtheirBritishequivalents.目标二：ToknowthedifferencesbetweenAmericanEnglishandBritishEnglishinspellingandwordschoice.AmEBrE

subwayundergroundhighwaymotorwaytheatertheatregaspetrolapartmentflatelevatorliftSpellingAmericanEnglishBritishEnglishcolorcolourorganizeorganiseVocabularyPronunciationGrammargarbagerubbishcellphonemobilephoneontheweekendattheweekendDoyouhave…Haveyougot…/ˈɪntrɪstɪŋ/interesting/ˈɪntrəstɪŋ/interesting/dæns/dance/da:ns/dance【拓展】theatretheaterTheAmericansandtheBritishalsousedifferentwordsforeverydaythings.Forexample,Americanstalkaboutputting

3__________intheircarsanddrivingalongthe

4__________,whereasintheUK,peopleput5__________intheircarsanddrivealongthe6__________.Americanstakethe

7__________tothetopfloorofabuilding,buttheBritishusethe8__________.IntheUS,theytakethe9__________butintheUK,peopletravelonthe10____________.Americansliveina(n)

11__________,whiletheBritishliveina(n)

12_______.It'snotasconfusingasitse