天津?qū)幒訁^(qū)北淮淀鎮(zhèn)中學外研版九年級英語上冊學案無答案Module12Unit3

1、Module12Unit3Languageinuse（新授課）（總101課時）學習目標：1、復習并運用本單元所學重點單詞和短語。2、學習英語構(gòu)詞法.3. 了解EarthHour,保護環(huán)境診斷補償：詞形變化練習：1,寫出下歹U單詞的形容詞形式：carehopeusewastehealth2,寫出下歹”單詞的反義詞形式：usualpossiblehopefulhealthy2新課導學：一，構(gòu)詞法1 .合成法將兩個或兩個以上獨立且語義不同的單詞合在一起構(gòu)成新詞的方法叫做合成法。合成法是一種比較靈活的構(gòu)詞方法，可以合成名詞、形容詞、副詞、代詞、動詞等。例如：afternoon,sportsman,bl

2、ackboard,sportsperson,newspaper,airplane,classmate,grandfather等就是通過合成構(gòu)詞法構(gòu)成的名詞；kind-hearted,middle-aged,hard-working等為合成形容詞；however,maybe,himself,everyone,nothing,overlook等也都是通過合成法構(gòu)成的單詞。2 .派生法通過在詞根前面加前綴或在詞根后面加后綴構(gòu)成一個新詞的方法叫作派生法。要通過派生法理解和記憶單詞，我們需要掌握常見的前綴和后綴及派生規(guī)律。（1）常見前綴前綴含義例詞dis-不disagree,dislikeen-使處于某

3、種狀態(tài)enable,enrichim-,in-不impossible,impatient,inexpensiveinter-在之間，相互international,interconnectmis-錯誤地mislead,misunderstandnon-不，非non-smoker,non-nativere-再，重復rewrite,retellun-不unable,unhappy,unpopular(2)常見后綴后綴功能例詞-er,-or構(gòu)成名詞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構(gòu)成形容詞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構(gòu)成數(shù)詞eighteen,fifteen,seventeen-thfifteenth,fifth,fortieth,seventh-tyforty,sixty,twenty-ly構(gòu)成副詞badly,carefully,carelessly,happily,quickly(3)派生規(guī)律由一個詞根加上相應(yīng)的詞綴可以派生出名詞、形容詞、副詞等，掌握派生規(guī)律對擴充詞匯有很大幫助。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 .轉(zhuǎn)化法英語構(gòu)詞法中把一種詞性轉(zhuǎn)化為另一種詞性而詞形不變的方法稱作轉(zhuǎn)化法。常見的轉(zhuǎn)化有：(1)動詞轉(zhuǎn)化為名詞一Let'stalkaboutitmore咱們再談?wù)勥@件事吧。一Ithinkwe'dbetterfinishthetalknOW想我

7、們最好現(xiàn)在結(jié)束談話。(2)名詞轉(zhuǎn)化為動詞Shegavemeacupofwater.她給了我一杯水。Youshouldwatertheflowerstwiceaday.你應(yīng)該每天給這些花澆兩次水。(3)形容詞轉(zhuǎn)化為名詞Shewaswearingablackdress.她穿著一條黑色的裙子。Thegirlinblacklooksverybeautiful.那個穿黑衣服的女孩看上去很漂亮。二，習題練習：完成課本P100-P102習題。三，Aroundtheworld:1, EarthHour,peopleallacrosstheworldthelightstheydonotneed.2, Today

8、,moreandmorecitiesaretheevent.四,ModuleTask:Finishactivities10-12.達標測試：將方框A與方框B中的單詞配對成十個合成詞。Aclass,south,note,post,grand,country,every,down,basket,underBmother,ball,east,stairs,side,card,mate,stand,body,book..9.10.總結(jié)反思：Q1,課后彳業(yè)：I.給下列詞加適當?shù)那熬Y或后綴，使其成為一個新的單詞，并在后面的括號內(nèi)寫出漢語意思。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.根據(jù)句意及所給漢語提示語寫出所缺短語，每空一詞。1. Eatingsomefruitandvegetables(對有好處)yourhealth.2. (用這種方式)youcanworkoutthemathsproblemquickly.3. Mikedoesliveinthecountryside(不再).4. (例如),youcanwatchsomeEnglishfilmstoimprovey

10、ourEnglish.5. Weare(盡最大努力)tounderstandhiswords.6. Hurryup,and(參力口)theballgame.m.根據(jù)短文內(nèi)容從方框中選擇恰當?shù)膯卧~填空，使短文完整、通順，有的需要變換形式，每詞限用一次。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