天津宁河区北淮淀镇中学外研版九年级英语上册学案无答案Module12Unit3

1、Module12Unit3Languageinuse（新授课）（总101课时）学习目标：1、复习并运用本单元所学重点单词和短语。2、学习英语构词法.3. 了解EarthHour,保护环境诊断补偿：词形变化练习：1,写出下歹U单词的形容词形式：carehopeusewastehealth2,写出下歹”单词的反义词形式：usualpossiblehopefulhealthy2新课导学：一，构词法1 .合成法将两个或两个以上独立且语义不同的单词合在一起构成新词的方法叫做合成法。合成法是一种比较灵活的构词方法，可以合成名词、形容词、副词、代词、动词等。例如：afternoon,sportsman,bl

2、ackboard,sportsperson,newspaper,airplane,classmate,grandfather等就是通过合成构词法构成的名词；kind-hearted,middle-aged,hard-working等为合成形容词；however,maybe,himself,everyone,nothing,overlook等也都是通过合成法构成的单词。2 .派生法通过在词根前面加前缀或在词根后面加后缀构成一个新词的方法叫作派生法。要通过派生法理解和记忆单词，我们需要掌握常见的前缀和后缀及派生规律。（1）常见前缀前缀含义例词dis-不disagree,dislikeen-使处于某

3、种状态enable,enrichim-,in-不impossible,impatient,inexpensiveinter-在之间，相互international,interconnectmis-错误地mislead,misunderstandnon-不，非non-smoker,non-nativere-再，重复rewrite,retellun-不unable,unhappy,unpopular(2)常见后缀后缀功能例词-er,-or构成名词teacher,worker,visitor-ianmusician-ingbuilding,painting,shopping,meaning-ista

4、rtist,scientist-mentagreement,government-nesscoldness,happiness,illness-thtruth,warmth-tioncompetition,education,information,invitation-tyactivity,safety-ble,ible构成形容词comfortable,eatable,enjoyable,possible,probable-alenvironmental,international,national,traditional-fulcareful,helpful,useful-iveactiv

5、e,expensive-lesscareless,helpless,homeless,useless-lyfriendly,lovely,monthly,weekly-ousdangerous,famous-teen构成数词eighteen,fifteen,seventeen-thfifteenth,fifth,fortieth,seventh-tyforty,sixty,twenty-ly构成副词badly,carefully,carelessly,happily,quickly(3)派生规律由一个词根加上相应的词缀可以派生出名词、形容词、副词等，掌握派生规律对扩充词汇有很大帮助。例如：由i

6、nterest可以派生出：uninterestinginterestinteresting-interestinglyinterested-uninterested由help可以派生出:helpless-helplesslyhelphelpfulhelpfully由able可以派生出:enableablenablebilityisable3 .转化法英语构词法中把一种词性转化为另一种词性而词形不变的方法称作转化法。常见的转化有：(1)动词转化为名词一Let'stalkaboutitmore咱们再谈谈这件事吧。一Ithinkwe'dbetterfinishthetalknOW想我

7、们最好现在结束谈话。(2)名词转化为动词Shegavemeacupofwater.她给了我一杯水。Youshouldwatertheflowerstwiceaday.你应该每天给这些花浇两次水。(3)形容词转化为名词Shewaswearingablackdress.她穿着一条黑色的裙子。Thegirlinblacklooksverybeautiful.那个穿黑衣服的女孩看上去很漂亮。二，习题练习：完成课本P100-P102习题。三，Aroundtheworld:1, EarthHour,peopleallacrosstheworldthelightstheydonotneed.2, Today

8、,moreandmorecitiesaretheevent.四,ModuleTask:Finishactivities10-12.达标测试：将方框A与方框B中的单词配对成十个合成词。Aclass,south,note,post,grand,country,every,down,basket,underBmother,ball,east,stairs,side,card,mate,stand,body,book..9.10.总结反思：Q1,课后彳业：I.给下列词加适当的前缀或后缀，使其成为一个新的单词，并在后面的括号内写出汉语意思。1.tell()3.healthy(

9、)5.agree()7.ill()9.quick()11.understand()2.possible()4.rain()6.teach()8.danger()10.care()12.music()n.根据句意及所给汉语提示语写出所缺短语，每空一词。1. Eatingsomefruitandvegetables(对有好处)yourhealth.2. (用这种方式)youcanworkoutthemathsproblemquickly.3. Mikedoesliveinthecountryside(不再).4. (例如),youcanwatchsomeEnglishfilmstoimprovey

10、ourEnglish.5. Weare(尽最大努力)tounderstandhiswords.6. Hurryup,and(参力口)theballgame.m.根据短文内容从方框中选择恰当的单词填空，使短文完整、通顺，有的需要变换形式，每词限用一次。easy,bring,drive,pollute,kill,rule,problem,trafficTodaylifeismucheasierthanitwashundredsofyearsago,butithasalso(1)newproblems.Oneofthebiggest(2)ispollution.Manyyearsago,pollutionwasnotveryserious.Butnowpeopleareslowly(3)thewholeworld.Ofallthepollution,airpollutionisthemostserious.Heavy(4)isanimportantreason.Itiscertainthatiftherearefewerpeople(5),therewillbelessairpollution.Toxic(有毒的)water(6)fishandpollutesourdrinkingwater.Noisepoll