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Unit2NumbersListening12345目录ReviewPre-ListeningWhile-ListeningPost-ListeningReviewPartIReviewShowtimeRetellthestory.PartIIPre-Listening如何识别英语听力中的数字听力中的数字识别包括年代、月份、日期、星期、分数、小数、基数词和序数词。只有正确掌握英语数字的写法和读法，才能作出正确判断。数词的基本用法和读法1.数字表示时刻a.整点7:00读作seveno'clock或seven.3:00读作：b.用past表示“几点过几分”8:09读作eightonine或ninepasteight11:26读作：结构：不超过30分钟的，用分钟+past+点钟数twenty-sixpasteleventhreeo'clockc.用to表示几点差几分4:50读作tentofive12：50读作：结构：超过30分钟的，用（60-分钟数）+to+（点钟数+1）d.用half表示半小时5:30读作fivethirty或halfpastfive4:30读作：e.正好十五分钟也可用quarter例如1:15读作aquarterpastone9:45读作：tentoonefourthirty或halfpastfouraquartertoten2.数词表示年月日英语年月日的顺序：日月,年或月日,年a.在2011年5月1号写作：on1(st)May,2011或onMay1(st),2011读作：onthefirstofMay,twothousandandeleven或onMaythefirst,twothousandandelevenb.在1989年9月写作：inSeptember,1989读作：inSeptember，nineteeneighty-nine2013年4月22日：thetwenty-secondofApril,twothousandandthirteenAprilthetwenty-second,twothousandandthirteen3.数词表示编号LessonOne=thefirstlesson结构:名词+基数词或the+序数词+名词如：Page5=Room21读作：thefifthpagethetwenty-firstroomRoomTwenty-one4.表示年龄a.表示十几岁用teens指从13岁到19岁。在某人十几岁时：inone’steens.b.表示“几十岁”；用inone’s+数词复数inone’sthirties表示在某人三十几岁时，指从30岁到39岁。“在他五十多岁时”写作：c.18岁：eighteenyearsoldd.一个十八岁的男孩：an18-year-oldboy=aboyof18inhisfifties1.Itisnotrarein_____thatpeoplein____fiftiesaregoingtouniversityforfurthereducation.A.90s,theB.the90s,/C.90s,theirD.the90s,their2.Jackisnowin_____.A.thethreegradeB.GradeThirdC.GradeThree3.---Peter,howoldisyourfatherthisyear?---_____.Andwejusthadapartyforhis_____birthdaylastweek.A.Fortieth,fortyB.Forty,fortyC.Forty,fortiethD.Fortieth,fortiethDCCPractice数词的特殊用法1.分数分子用基数词，分母用序数词，分子大于1时，分母用复数形式。1/3onethird2/3twothirds3/5读作:ahalf_____threequarters_______twothirdsmetre__________2.百分数倍数5%fivepercent67%读作:threefifths二分之一四分之三三分之二米sixty-sevenpercent3.小数0.6zeropointsixonepointfive___________学生还必须对几种常用的度、量、衡及货币单位的读法如：mile,meter,foot,gram,ounce,dollar,cent,penny,pound,yen等。1.5读出下列小数：26.231,385.548.48526.4321.0468Practicetwenty-sixpointtwothreeonethousandthreehundredandeighty-fivepointfiveforty-eightpointfoureightfivehundredandtwenty-sixpointfourthreetwoonepointofoursixeightPartIIIWhile-ListeningWecanexpressnumbersindifferentways:(zero)pointtwofiveseventeenpointoneseventwenty-sevenpercenttheeleventhofDecember,twothousandandeightonefifteen/(a)quarterpastonethreefourone,doubletwozerofive/threefourone,twotwoofive0.2517.1727%11Dec.20081:153412205读出下列百分数：0.5%zeropointfivepercent21%twenty-onepercent33.33%thirty-threepointthreethreepercent100%onehundredpercent9.45%ninepointfourfivepercent读出下列日期：1806—eighteenosix1900—nineteenhundred2000—twothousand2001—twothousandandone1902—nineteenotwo1814—eighteenfourteen2035—twentythirty-five1666—sixteensixty-six1016—tensixteenReadthemonthsaloud.1月January(Jan.)2月February(Feb.)3月March(Mar.)4月April(Apr.)5月May6月June7月July8月August(Aug.)9月September(Sept.)10月October(Oct.)11月November(Nov.)12月December(Dec.)BritishEnglishAmericanEnglish12/3/19993/12/199912March1999the12thofMarch1999March12,1999March12th,1999thetwelfthofMarch/Marchthetwelfth,nineteenninety-nineMarchtwelfth,nineteenninety-nineReadthedatesaloud.Readthedatesaloud.thesecondofJanuary/Januarythesecond,nineteenninety-nineSeptemberthirtieth,twothousandandninethesixteenthofJune/Junethesixteenth,eighteenfifty-sevenMarchthird,seventeenfifty-eightthefourteenthofApril/Aprilthefourteenth,twentyelevenMaytwenty-second,nineteenseventy-seventhetwelfthofOctober/Octoberthetwelfth,nineteenhundred2January1999September30,200916June1857March3,175814April2011May22,197712October1900Readthetelephonenumbersaloud.eightfivesix,fouronetwoninethreetwoone,o/zeroseveneightfourfivesixfive,twodoubleeightone/fivesixfive,twoeighteightone1a652a12:133a11Octoberb36b12:30b10Novemberc33c12:40c11November4a56538815a165.5cm6a￥4,700b5662881b135cmb￥7,400c5622881c116.5cmc￥4,0707a11%8a33b31%b22c21%c32ListeningReadthenumbersaloud.Thenlistentoaquizaboutnumbersandcirclethecorrectanswers.PartIVPost-ListeningTapescriptGoodmorning,kids.It’squiztime.You’llheareightshortconversations.Pleasecirclethecorrectanswertoeachquestion.1.W:Thekingwassixty-threeyearsoldtwoyearsago.M:Howoldisthekingnow?2.W:Whattimeisit?M:It’stwelvethirty.3.W:What’stoday’sdate?M:It’stheeleventhofOctober.4.W:What’syourphonenumber?M:Myphonenumberisfivesixtwo,twodoubleeightone.5.W:Howtallareyou?M:I’monehundredandsixty-fivepointfivecentimetrestall.6.W:Howmuchisthiscomputer?M:It’sfourthousandsevenhundredyuan.7.W:Howmuchoftheairisoxygen?M:Abouttwenty-onepercentoftheairisoxygen.8.W:Howmanystudentstakepartinafter-schoolactivities?M:Therearethirty-threestudentsintheclass.Twothirdsofthemtakepartinafter-schoolactivities.PartVReview请用英语朗读下面的数字。1.(1)0.03(2)1.75(3)23.482.(1)4%(2)94%3.(1)20July,1998(2)Oct.1st,20134.(1)7:15(2)9:30(3)10:45(4)12:005.(1)639148(2)9458204(3)73392318Thankyou!