Unit5Signs第3課時(shí)Soundtime學(xué)問(wèn)點(diǎn)一字母組合ir的發(fā)音【學(xué)問(wèn)精講】字母組合ir通常在單詞中讀[??]，例如：girl/g??l/n.女孩bird/b??d/n.鳥(niǎo)shirt/???t/n.襯衫skirt/sk??t/n.裙子third/θ??d/num.第三thirteen/θ??'ti?n/num.十三sir

/s??/n.先生dirty/'d??t?/adj.下流的bird/b??d/n.鳥(niǎo)；家伙souvenir

/,su?v?'n??/n.紀(jì)念品birth/b??θ/n.誕生circle/'s??k(?)l/n.循環(huán)thirty/'θ??t?/num.三十

/??/是長(zhǎng)元音，發(fā)音時(shí)嘴形扁平，上下齒微開(kāi),舌身自然平放，舌中部向硬腭抬起,氣流在舌后部流淌身出類似“餓”的音。發(fā)音方法：1）半張開(kāi)嘴巴，雙唇略扁平，向嘴角兩邊略拉開(kāi)。2）舌身平放，舌中部伸向硬顎，但不要接觸到硬顎，舌部肌肉緊急。3）震驚聲帶，發(fā)出/??/音。留意：/??/個(gè)長(zhǎng)元音，這個(gè)音聽(tīng)起來(lái)和漢語(yǔ)的"餓"相像，要留意的是在美國(guó)英語(yǔ)中該音后經(jīng)常加上一個(gè)/r/的音。【經(jīng)典例題】朗讀下列句子Lookatthegirlinredskirt.Herskirtisn'tdirty.She'slookingupabirdinthetree.Sheisthirteen.Todayisherbirhday.【名師解析】留意/??/是長(zhǎng)元音。學(xué)問(wèn)點(diǎn)二（拓展）常見(jiàn)標(biāo)識(shí)【學(xué)問(wèn)精講】新冠病毒危急居家平安當(dāng)心流沙。當(dāng)心落石。請(qǐng)勿攀爬巖石或儲(chǔ)料堆。非請(qǐng)勿入。課時(shí)小練一、推斷下列單詞劃線部分讀音是（T）否（F）相同1.A.birdB.girlC.skirt2.A.shirtB.brotherC.dirty3.A.riceB.birdC.shirt二、完形填空

It'sSunday.WeiFangandMeimeiareontheir1

tothezoo.Theyarewaitingfora2atthebusstop.WeiFang3somethingontheground.Shepicks4up.Oh,itisanewwatch.“5

isit?”They6thepeopleatthebusstop.Buttheydon'tknow.“Let'swaitfortheowner.”Meimei7.Theywaitandwait,buttheowner8come.Sotheyhavetogive9toapolicemannearby.Thepolicemansays,“10

goodgirlsyouare!”1.A.wayB.roadC.streetD.ground2.A.carB.trainC.busD.truck3.A.looksB.seesC.looksupD.lookfor4.A.himB.herC.themD.it5.A.WhoseB.WhereC.WhatD.Who's6.A.talkB.tellC.sayD.ask7.A.talksB.tellsC.asksD.says8.A.doesn'tB.don'tC.can'tD.aren't9.A.awatchB.thewatchC.watchD.watches10.A.WhatB.HowC.WhichD.Whose三、閱讀理解依據(jù)短文，推斷下列正確與否

ItisSundayafternoon.LiuTaoandhisfriendDavidaretakingawalkinthepark.Therearemanypublicsignsinthepark.Theymeandifferentthings.LiuTaoknowsalotofthingsaboutthem.Suddenly,theyseeashortmanwalkingonthegrass.LiuTaopointstothesignonthegrassandsaystohim,“Sir,lookatthesign!Youcan'twalkonthegrass.”Themansmilesandsays,“Youareright,youngman.ButI'mtheparkkeeper.I'mlookingafterthegrass.I'mpickingupthegarbageonit.（1）ItisSundayafternoon.（2）Theboyscanseemanypublicsignsinthepark.（3）ThemanisveryangrywhenLiuTaosaystohim.（4）Theparkkeeperjustwantstakeawalkonthegrass.（5）“Garbage”inChinesemeans“__