小学英语四年级下册Unit 4The second period（第二课时）

Step1:Warm-up&Lead-in①1.Greetings.2.Singthesong—OldMacDonaldhadafarm.（出示课件）3.Lead-in.（课件出示：教材P39Let’slearn图片）T:Look!Mike,JohnandSaraharevisitingthefarm.Thistimetheyhelpthefarmerpickvegetables.They’resohappy.Whatvegetablesdotheysee?Let’sgotosee.Writedownthetopic“Atthefarm”ontheblackboard.Theteacherandstudentstalkaboutthepicture.T:Whatarethese?Ss:Theyare...T:Arethese…?Teachingpurpose②通过复习上节课内容引出新单词“carrots”，借助图片教授新单词，并用数数的方式帮助学生关注其复数形式。Ss:Yes,theyare.Teachingpurpose②通过复习上节课内容引出新单词“carrots”，借助图片教授新单词，并用数数的方式帮助学生关注其复数形式。Step2:Presentation1.Teachtheword“carrots”.②（课件出示:胡萝卜图片）T:Mike,JohnandSarahseesomevegetablesatthefarm.Look!Whatarethey?Ss:They’recarrots.T:Howmanycarrots?Let’scount!1carrot,2carrots,3carrots…Writedowntheword“carrots”ontheblackboard.Write“s”inredchalk.Teachingpurpose③利用PPT帮助学生对比两种不同颜色的西红柿，做示范性描述并引导学生用句型Teachingpurpose③利用PPT帮助学生对比两种不同颜色的西红柿，做示范性描述并引导学生用句型“Lookat…They’re…”来描述蔬菜特征。T:Mike,JohnandSarahseecarrots.Whatelse?Ss:Andtomatoes.(课件出示:黄色西红柿图片)T:Great!Whatcolourarethey?Ss:They’reyellow.T:Look!Whatarethey?Whatcolour?(课件出示:红色西红柿图片)Ss:They’retomatoes.They’rered.T:Yes.Lookatthesetomatoes.They’rered.Writedownandteachthesentencestructures“Lookat…They’re…”.Letstudentstrytodescribevegetablesbyusingthesentences.Teachingpurpose④利用刚学过的“Teachingpurpose④利用刚学过的“tomato”来学习“potato”，可以帮助学生很快地掌握新单词的读音和词形。将PPT出示的土豆图片与书中土豆的图片进行对比，再次引导学生用句型“They’re…”来描述蔬菜特征。T:Nowlet’splayagame.Listentothewordsandfillintheletterstocompletetheword.Let’sgo!T:Whatarethese?Ss:They’repotatoes.T:Aretheybig?Ss:No,theyaren’t.（课件出示:教材P39Let’slearn土豆图片）T:Lookatthesepotatoes.Aretheybig?Teachingpurpose⑤利用Teachingpurpose⑤利用“green”引导学生尝试自己拼读“bean”，充分调动学生的学习主动性，注重学生学习方法的培养。4.Teachthephrase“greenbeans”.⑤Studentslookatthepicturein“Let’slearn”onpage39.T:Look!Howmanykindsofvegetables?Ss:Four.T:Whatarethey?They’re…Writedownthephrase“greenbeans”ontheblackboard.T:Inthetwowords,thelettercombinations“ee”and“ea”bothpronounce“/i:/”.Canyoureadthesecondword?Studentstrytoread“bean”correctly.Theteachercanofferhelpifstudentsneed.Studentslookatthepictureandtrytodescribethem.Teachingpurpose⑥Teachingpurpose⑥先看图说单词并进行描述，再用小游戏的形式进行操练，充分调动学生的多种感官，既活跃了课堂气氛，又加强了学生对新学单词的记忆。1.What’smissing?⑥(1)Lookandsay.UsePPTtoshowthepicturesofthesefourkindsofvegetablesonebyone.Studentssaythemoutandtrytodescribethem.(2)Let’splay.Teachingpurpose⑦Teachingpurpose⑦继续操练新单词，通过有节奏的chant使学生在朗读句子中熟悉核心词汇。开放性练习有助于培养学生的发散性思维。2.Let’schant.(1)Understandthechant.Showthepicturein“Let’schant”onpage39andaskstudentsquestions.Q:Whatvegetablesarethey?Whatvegetablesdoyouliketoeat?ShowthepictureonthePPTtohelpstudentsunderstand“Butonionsmakemecry.”（出示课件）(2)Let’schant.⑦Playtherecording.（出示课件）Studentsreadafteritandthenchanttogether.(3)Writeyourownchant.TheteachershowsamodelonthePPT.(出示课件)Studentstrytowritetheirownchantsaboutvegetables,fruitandsoon.Teachingpurpose⑧通过创设自然真实的情景，让学生在情景中合理运用所学词汇，培养学生的综合语言运用能力，并在这个环节中让学生体会Teachingpurpose⑧通过创设自然真实的情景，让学生在情景中合理运用所学词汇，培养学生的综合语言运用能力，并在这个环节中让学生体会“多吃蔬菜有益于我们的身体健康”的道理，适时进行情感态度价值观的渗透。“Inthefarmrestaurant”1.CreateasituationbyusingthePPT.PresentthepictureonthePPT.(课件出示：未来农场餐厅图）T:Nowwe’reinthefarmrestaurant.Therearesomevegetables.Whatcanyousee?Whatdoyouwanttoeat?2.Makeademonstration.T:Lookatthesegreenbeans.They’resolong.S1:Yes!Andthey’resogreen!T:Ilovetoeatgreenbeans.They’rehealthyforus.S1:OK!Let’strysome.3.Studentsworkingroupstomaketheirowndialogues.4.Showtime.▶板书设计▶作业设计1.Introducethesevegetablestoyourfamilymembers.2.Dotheexercises.(见“成才路”系列丛书《作业100分》或《作业本》对应课时作业)▶教学反思1.趣味性的活动设计激发学生的学习兴趣，调动学生的学习热情，营造积极的学习氛围，很好地吸引了学生的注意力。2.采用自然拼读法教学单词，注意学生学习方法和学习策略的培养。3.有效设计开放性练习，帮助培养学生的发散性思维。4.基于单元整体设计创设教学情景，注意话题的延续性和整体性。5.抓住课堂教学契机，在教学语言的同时适时进行情感教育和人文渗透。▶TeachingContents&TeachingAimsLet’stalk·Beabletolisten,sayandreadthenewwords“tomato,potato,carrot”andthenewphrase“greenbean”andtheirpluralforms.·Beabletodescribethecharacteristicsofthesevegetablesbyusing“They’re…”·Beabletounderstandthateatingvegetablesishealthyforus.Let’schant·Beabletounderstandandreadthechant.Trytowriteanewchant.▶TeachingPriorities•Beabletolisten,sayandreadthenewwords“tomato,potato,carrot”andthenewphrase“greenbean”andtheirpluralforms.▶TeachingDifficulties•Thepronunciationandthepluralformsof“tomato”and“potato”.▶TeachingProceduresTeachingStagesTeacher’sActivitiesStudents’ActivitiesTeachingPurposesWarm-up&Lead-in1.Greetings.2.Singthesong—OldMacDonaldhadafarm.3.Lead-in.Talkaboutthepicturewithstudents.1.Greetings.2.Singthesong.3.Talkaboutthepicturewiththeteacher.Stimulatestudents’learninginterest.Helpstudentsreviewthewordsandsentencestructurestheyhavelearnedlastlesson.Leadinthenewlesson.Presentation1.Teachtheword“carrots”.Showthepictureofcarrots.2.Teachtheword“tomatoes”.Showthepicturesoftomatoes.Talkaboutthemandteachthesentencestructures.3.Teachtheword“potatoes”.Playagame.Talkaboutandteachtheword.4.Teachthephrase“greenbeans”.Helpstudentslearnandreadthephrase.Learnthenewwordsandthenewphraseandtrytodescribevegetablesbyusingsentencestructures“Lookat…They’re…”Trytospellthenewwordsbythemselves.Leadinthenewwordsproperly.Leadstudentstofocusonthepluralformsofthewords.Leadstudentstofocusonthecharacteristicsofthevegetablesandtrytodescribethem.Cultivatestudents’learningmethods.Mobilizestudents’initiativeoflearning.Practice1.What’smissing?(1)UsePPTtoshowthepicturesofthesefourkindsofvegetablesonebyone.(2)Playthegame.(1)Lookatthepicturesandsaythemout.Thendescribethevegetables.(2)Playthegame.Activatetheatmosphere.Practicethewords.2.Let’schant.(1)Showthepicturetohelpstudentsunderstandthechant.(2)Playtherecording.(3)Showamodel.(1)Understandthechant.(2)Readthechantaftertherecording.Thenchanttogether.(3)Trytowriteachant.Practicethenewwords.Cultivatestudents’divergentthinking.Consolidation&Extension“Inthefarmrestaurant”1.CreateasituationbyusingthePPT.2.Makeademonstration.3.Letstudentsworkingroupstomaketheirowndialogues.4.Showtime.Workingroupstomaketheirowndialogues.Andthenactoutinclass.Letstudentsusethewordsandthesentencesinanaturalandrealsituation.Developstudents’emotionalattitudesandvalues.Homework评价测试听力部分(40分)Ⅰ.Listenandcircle.(听录音,圈出与所听内容相符的图片。)(15分Ⅱ.Listenandchoose.(听录音,选出你所听到的句子。)(10分()1.A.Whatarethey? B.Whatarethese?()2.A.Theyareonions. B.Theyarecarrots.()3.A.Icanseefivecows. B.Icanseefiverabbits.()4.A.Howmanysheepcanyousee?B.Howmanydogscanyousee?()5.A.Thisfarmissobig. B.Thisfarmissosmall.Ⅲ.Listenandchoose.(听录音,选择正确的答语。)(15分()1.A.Yes,theyare. B.Yes,itis.()2.A.Thereareten. B.Theyareonions.()3.A.They’resheep. B.Therearehorses.()4.A.It’ssocute. B.It’sblue.()5.A.Seventeen. B.It’sseventeenyuan.笔试部分(60分)Ⅳ.Readandchoose.(选出不同类的一项。)(5分()1.A.goat B.cow C.pear()2.A.rabbit B.carrot C.onion()3.A.fifteen B.thirteen C.second()4.A.his B.those C.these()5.A.potato B.picture C.tomatoⅤ.Choosethebestanswer.(选择最佳答案。)(5分()1.—Whatarethese?—.

A.Theyarecat B.Theyaresheep C.It’sadog()2.—Aretheyhens?—.

A.Yes,theyare B.No,theyare C.Yes,itis()3.—Howmanyhorsesdoyouhave?—.

A.Ihavetwenty B.Theyaretwenty C.Thisistwenty()4.Lookthetomatoes.Theyarered.

A.in B.on C.at()5.—Whatcolourarethey?—.

A.Theyareyellow B.It’sred C.No,theyaren’tⅥ.Readandchoose.(读一读,选答语。)(10分()1.Whatcolourarethetomatoes?()2.Whatcanyouseeonthefarm?()3.Isthisafarm?()4.Arethoseonions?()5.Howmanyanimalsdoyouhave?A.No,theyaren’t.B.Theyareredoryellow.C.Forty.D.Yes,itis.E.Icanseemanysheep,horsesandcows.Ⅶ.Readandwrite.(根据图片,选词填空。)(10分What,Where,Is,Howmany,AreⅧ.Readandchoose.(选出错误的一项。)(10分()1.—AreAthosetomatos—Yes,theyCare.()2.HowmanyAhorse()3.ThereareAsomanyBsheeps()4.HowmanycowsAare()5.LetAIBtryCⅨ.Completethesentences.(根据汉语意思完成句子。)(10分Ⅹ.Readandjudge.(阅读对话,判断对“√”错“×”。)(10分Zoom:It’swarmtoday.Zip:Let’sgotothefarm.Zoom:Great!Zip:Wow!Thisfarmissobig.Zoom:Whatarethese?Zip:Theyaregreenbeans.Zoom:Ilikegreenbean