課題7BUnit4Grammar1課時安排教學目標Tomastertheusageofthearticle.教學重點Tomastertheusageofthearticle.教學難點Totellthedifferencesbetweendefiniteandindefinitearticles.教學方法Pair-workGroupworkTask-basedteaching教學用具教學內(nèi)容及過程二次備課Step1Learningaims1.Tomastertheusageofthearticle.2.Totellthedifferencesbetweendefiniteandindefinitearticles.Step2PresentationShowthepicturesofanimalsandthingsusing“a”and“an”.T:What’sthis?S:It’sa/an…2.Askstudentstodiscussandtellthedifferencesbetween“a”and“an”.3.Showtherulesoftheindefinitearticles.1.第一次提到某人或某物時。Ihaveabook.2.泛指某一類的人或物。Apandaisverylovely.3.判斷一個單詞用a還是用an，是根據(jù)其讀音，而不是根據(jù)其首字母。以元音音素開頭的詞前用“an”，以輔音音素開頭的詞前”a“。如：anhour,anapple,anelephant,ausefulbook等。Step3Exercise用a/an填空1.Thisis__pearandthatis__apple.2.Maryis__Englishteacher.Tomis__Chineseteacher.3.Icansee__oldman.4.Myteachergivesme__usefulbook.5.Thereis__“h”and__“u”intheword“hour”.6.Ihavehalf__hourtodomyhomework.7.Hisfatheris__engineer.Healwayswears__uniformatwork.8.Iamgoingtobe__artistinthefuture.9.Francehas__areaofover260,000squaremiles.Step4PresentationShowsomesentenceswith“the”andhavestudentsdiscusstheuseofit.ItisanEnglishbook.Thebookisthegirl’s.Itissunnytoday.Wecanseethesun.3.ZhaoShuo,cleantheblackboard.4a.Ourclassroomisonthesecondfloor.b.ZhuXinruisthetallestgirlinourclass.Lilywantstoplaythepiano（鋼琴）.TheWangswillgotovisitthezoo.Thevolunteersoftenhelptheold.2.Showtherulesofthedefinitearticles.1.指上文提到過的人或物。如：Lucyboughtanewbike,thebikeisgreen.2.世界上獨一無二的事物。如：thesunthemoon3.都知道的人或事物。如：Openthedoor,please.4.序數(shù)詞和形容詞最高級前。如：Sheisalwaysthefirsttogettoschool.5.樂器名詞前用。如：playthepianoplaytheviolin6.定冠詞與形容詞連用表示一類人，加

在姓氏前面表示一家人。如：therich有錢人theyoung年青人7.某些專用名詞和習慣用語中用定冠詞。theGreatWallbythewayStep5PracticeCompletethedialogueinPage47.Step6HomeworkFinishtheexercisesontheworkbook.板書設(shè)計教學反思Inthisperiod,thearticles:a,antheseemtobeeasytolearn,butinfact,theyarenoteasytomaster.Afterlotsofexercise,mostoft