2010年秋季仁爱英语教学案例设计(教案)九年级上册(unit 1 topic 2 section c)

UNIT1THECHANGINGWORLDTOPIC2CHINAHASTHELARGESTPOPULATIONSECTIONCTHEMAINACTIVITYIS1A本课重点活动是1A。TEACHINGAIMSANDDEMANDS教学目标1LEARNSOMENEWWORDSANDPHRASESDIFFICULTY,BESHORTOF,SOFAR,TAKEMEASURESTODOSTH,PERCENT2LEARNSOMEUSEFULSENTENCES1ANDABOUTONEFIFTHOFTHEPEOPLEINTHEWORLDLIVEINCHINA2OURGOVERNMENTHASTAKENMANYMEASURESTOCONTROLTHEPOPULATION3THANKSTOTHEPOLICY,CHINAISDEVELOPINGQUICKLYANDPEOPLESLIVINGCONDITIONSAREIMPROVINGRAPIDLY3TALKABOUTTHEPROBLEMSTHELARGEPOPULATIONCAUSES1ITSDIFFICULTFORLOTSOFPEOPLETOFINDJOBS2,WEARESHORTOFENERGYANDWATER3MOSTCITIESAREMORECROWDEDTHANBEFORE,ANDTHETRAFFICISMUCHHEAVIER4GETSTUDENTSTOKNOWHOWSERIOUSTHEWORLDSPOPULATIONPROBLEMISTEACHINGAIDS教具多媒体/图片/小黑板/录音机FIVEFINGERTEACHINGPLAN五指教学方案STEP1REVIEW第一步复习时间8分钟教师出示一些数字和图表，复习高位数表达法，导入新课。1用添加数字的方法复习高位数字，使学生由浅入深地掌握知识。操作方法教师首先在黑板上写出一个两位数，然后逐次在前面加上一个数字，被提问的学生由基础较差的向基础较好的依次递进。TILLWRITENUMBERSLIKETHESE“888888888,8888888888”SAYTHESENUMBERSASQUICKLYASYOUCAN,CLEARSSYEST88S1EIGHTYEIGHTT888S2EIGHTHUNDREDANDEIGHTYEIGHTT8888S3EIGHTTHOUSAND,EIGHTHUNDREDANDEIGHTYEIGHTT8888888888S4EIGHTBILLION,EIGHTHUNDREDANDEIGHTYEIGHTMILLION,EIGHTHUNDREDANDEIGHTYEIGHTTHOUSAND,EIGHTHUNDREDANDEIGHTYEIGHT2通过多媒体展示世界各国人口图表，复习SECTIONB中重要句型。TYOUHAVEMASTEREDHOWTOSAYTHESENUMBERSNOWLOOKATTHECHARTANDREVIEWWHATWEVELEARNEDINSECTIONBWHATSTHEPOPULATIONOFTHEWORLDSSITISSAIDTHATTHEWORLDHASAPOPULATIONOF65BILLIONTWHICHCOUNTRYHASTHELARGESTPOPULATIONSSCHINAHASTHELARGESTPOPULATION,WITH13BILLIONTISTHEWORLDSPOPULATIONINCREASINGNOWSSYES,THEWORLDSPOPULATIONISINCREASINGBY80MILLIONEVERYYEARTITISREALLYONEOFTHEBIGGESTPROBLEMSTODAYITHINKWESHOULDDOSOMETHINGTOSOLVETHISPROBLEMSSYESSTEP2PRESENTATION第二步呈现时间10分钟通过图片，创设语言情景，呈现部分生词、词组及分数的表达法。1教师展示人才市场的图片和事先准备好的小黑板，引出1A。TBOYSANDGIRLS,WEHAVEKNOWNTHEWORLDHASALARGEPOPULATIONNOW,LOOKATTHEPICTUREANDTHESTATEMENTSABOUTPOPULATION（出示小黑板。）1EVERYMINUTEABOUT261BABIESAREBORNINTHEWORLD2THEWORLDSPOPULATIONISGROWINGFASTERANDFASTER3CHINAHASTHELARGESTPOPULATIONINTHEWORLD4CHINASPOPULATIONHASREACHEDONEFIFTHOFTHEWORLDSPOPULATIONTWHATDOYOUTHINKOFTHEPICTUREANDTHESTATEMENTS,BOYSANDGIRLSSSTHATSTERRIBLETYESTHEGROWINGPOPULATIONWILLCAUSEMANYDIFFICULTIESITWILLINFLUENCETHEDEVELOPMENTOFTHEWORLDSECONOMYSOFAR,SOMEFAMILIESSTILLCANTOFFERTHEIRCHILDRENAGOODEDUCATION板书单词DIFFICULTY，词组SOFAR，要求学生掌握。DIFFICULTADJDIFFICULTYNDIFFICULTIESNPLSOFARTDOYOUWANTTOKNOWOTHERPROBLEMSCAUSEDBYTHELARGEPOPULATIONSSSURETWEARESHORTOFENERGYANDWATERNOWCHINASPOPULATIONISONEFIFTHOFTHEWORLDSPOPULATIONITMEANSITIS20PERCENTOFTHEWORLDSPOPULATION,SOCHINAHASTAKENSOMEMEASURESTOSOLVETHEPROBLEMDOYOUKNOWWHATTHEYARE板书ONEFIFTH，详解并要求学生掌握分数表示法；掌握单词PERCENT，词组BESHORTOF,TAKEMEASURESTODOSTH。BESHORTOFONEFIFTHPERCENTTAKEMEASURESTODOSTHSSONEISKNOWNASTHEONECHILDPOLICYITHASWORKEDWELLINCONTROLLINGCHINASPOPULATIONTTHANKSTOTHEPOLICY,CHINAISDEVELOPINGQUICKLYANDPEOPLESLIVINGCONDITIONSAREIMPROVINGRAPIDLY让学生读1A，然后回答1A中的两个问题，完成1A。STEP3CONSOLIDATION第三步巩固时间10分钟利用关键词复述1A，并独立完成1B，进一步了解中国所面临的人口问题。1让学生自读1A并独立完成1B，然后核对答案。TLETSLOOKAT1BDESCRIBETHEDISADVANTAGESOFCHINASLARGEPOPULATIONACCORDINGTO1AANDWRITETHEMDOWNYOUHAVETWOMINUTES两分钟后，教师核对答案。TNOWIWILLASKSEVERALSTUDENTSTOWRITETHEIRANSWERSONTHEBLACKBOARDS1LESSSPACETOLIVEINS2DIFFICULTTOFINDJOBSFORLOTSOFPEOPLES3SHORTOFENERGYANDWATERS4MOSTCITIESAREMORECROWDEDS5THETRAFFICISHEAVIERS6THEREWILLBEMUCHMOREPOLLUTIONS7TYOURANSWERSAREWONDERFUL2学生阅读1A的同时,教师把关键词列在小黑板上。TBOYSANDGIRLS,PLEASEREAD1AAGAINANDTHENRETELLITACCORDINGTOTHEKEYWORDSONTHESMALLBLACKBOARD教师出示小黑板。65MILLION3BILLIONHALFONEFIFTHCAUSEDIFFICULTIESTAKEMEASURESTOWORKWELLINLIVINGCONDITIONSSERIOUSALONGWAY首先，教师根据小黑板上的关键词复述1A作示范，然后让两位同学复述。当学生表达错误时,教师给予纠正。当学生表达不出时,教师或其他同学给予帮助，提高学生口语复述能力。STEP4PRACTICE第四步练习时间10分钟播放2A录音，完成2B。进一步了解世界和中国人口状况，强化练习现在完成时的用法。1教师拿出一张”地球上站满人”的图片或将图片展示在多媒体上。让学生仔细观察,然后播放2A录音。TNOW,LOOKATTHEPICTURETHEEARTHISFULLOFPEOPLEEVERYMINUTEABOUT261BABIESAREBORNINTHEWORLDTHATMEANSPEOPLEHAVETOFINDFOODFORABOUT375840NEWBORNBABIESEVERYDAYTHEPOPULATIONPROBLEMISSERIOUSPLEASELISTENTOTHETAPEANDCOMPLETETHEARTICLEIN2A板书并要求学生了解。NEWBORNTNOW,LOOKATTHETEXTBYYOURSELVESLETSLISTENTOTHETAPEAGAINANDCHECKTHEANSWERS让学生核对完后,一起齐读短文。TYOUHAVEUNDERSTOODTHETEXTLETSDOTHEEXERCISESIN2BTHENWEWILLCHECKTHEANSWERS给学生一分钟,理解2B中的五个句子,让一位学生回答。2用现在完成时和重点词组造句，复习含有JUST,EVER,ALREADY,YET等词的现在完成时的用法。TMAKESOMESENTENCESUSINGTHEPRESENTPERFECTTENSEWITH“JUST”,“EVER”,“ALREADY”,“YET”ANDSOONSTEP5PROJECT第五步综合探究活动时间7分钟完成3，让学生讨论中国人口现状，尽量运用现在完成时和高位数的表达法。学生给笔友写一封信，然后根据表格内容写一份有关世界不同城市生活状况的调查报告。1让学生写一封信给他/她的笔友,谈谈他/她对中国人口问题的看法。写得好的，可以读一小段给同学听。教师说明写信时必须注意的事项。TYOUHAVEKNOWNSOMUCHABOUTTHEPOPULATIONNOW,WRITEALETTERTOYOURPENPALABOUTTHEPOPULATIONPROBLEMINCHINATHEQUESTIONSIN3MAYHELPYOU,THENIWILLASKSOMESTUDENTSTOSHOWTHEIROPINIONS2HOMEWORKMAKEASURVEYANDCOMPLETETHECHART,THENWRITEASURVEYREPORT