英语人教版五年级下册unit4 lets spell.ppt

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1、Unit4WhenisEaster?ALet’sspellPhonicsthPartALet'slearn数字序数词firstsecondthirdfourthfifth序数词缩写1st2nd3rd4th5thThere’resomespecialdaysinayear.-Whenis…………?-It'son…….1st.Children'sDayJanuary1stAprilFool'sDayApril1stChina'sNationalDayJune1stNewYear'sDayOctober1stthHeismyfriend.What’shelike?Heistallandthi

2、n.Heisthirteen.Howoldishe?Heisthirteen.Helikesthree.Helikesthree.Helikesmaths.irthirteenteenmathsamthsthininLet'ssayrthreeeeththththirdLookandsay.LookandsayfifthLookandsay.thicktoothLookandsay.birthdayLookandsay.birthdayLookandsay.It’smybrother’sbirthday.Thisismybrother.Thatismyfather.Thisismymo

3、ther.th第二种情况：发/ð/舌尖微微伸出，上下齿轻轻咬住舌尖，气流从舌齿间通过，发音时声带振动。athattmotheromtherfatheratherLet'ssayithissfththLookandsay.thesethoseLookandsay.clothesLookandsay.Lookandsay.thereMarchin...moredaysthisfifththirdbrothermotherOh,Ifindmyhome!Canyoufindtheirhome?threefatherthatthesethirteenthinmouthReadandchoose2

4、().AthatBthreeCthose3().AmouthBclothesCtooth1().AthirdBfifthCtheseCBB4().AmotherBfatherCmathsC1．字母组合th在数词（包括基数词和序数词）中读清辅音/θ/。例：three/θri:/，third/θә:d/，2.th在代词中读浊辅音/ð/例：thisthose3．在th后以字母-er结尾的单词中，th读浊辅音/ð/。例：father/‘fa:ðә/，whether/’weðә/24．以th结尾的单词，th读清辅音/θ/。例：mouthtoothtipsThatisherbrother.H

5、ismotherisamathsteacher.