小升初英语专题讲解九数词

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第九讲数词一、词汇1.zero/'ziərəu/num.零2.one/wʌn/num.一3.two/tu:/num.二4.three/θri:/num.三5.four/fɔ:/num.四6.five/faiv/num.五7.six/siks/num.六8.seven/'seven/num.七9.eight/eit/num.八10.nine/nain/num.九11.ten/ten/num.十12.eleven/i'levn/num.十一13.twelve/twelv/num.十二14.thirteen/'θə:'ti:n/num.十三15.fourteennum.十四16.fifteen/'fif'ti:n/num.十五17.sixteennum.十六18.seventeennum.十七19.eighteen/'ei'ti:n/num.十八20.nineteennum.十九21.twenty/'twenti/num.二十22.thirty/'θə:ti/num.三十23.fortynum.四十24.fiftynum.五十25.sixtynum.六十26.seventynum.七十27.eightynum.八十28.ninetynum.九十29.hundred百30.thousand千31.telephone/'telifəun/n.电话;电话机32.number/'nʌmbə/n.号码;数字33.phone/fəun/n.电话34.telephone/phonenumber电话号码35.month/mʌnθ/n.月;月份36.January/'dʒænjuəri/n.一月37.February/'februəri/n.二月38.March/mɑ:tʃ/n.三月39.April/'eiprəl/n.四月40.May/mei/n.五月41.June/dʒu:n/n.六月42.July/dʒu:'lai/n.七月43.August/ɔ:'gʌst/n.八月44.September/sep'tembə/n.九月45.October/ɔk'təubə/n.十月46.November/nəu'vembə/n.十一月47.December/di'sembə/n.十二月48.first/fə:st/num.第一49.second/'sekənd/num.第二50.third/θə:d/num.第三51.fifth/fifθ/num.第五52.eighth/eitθ/num.第八53.ninth/nainθ/num.第九54.twelfth/twelfθ/num.第十二55.twentieth/'twentiiθ/num.第二十二、重点短语集锦1.firstnamen.名字2.hundredsof成百上千的3.thousandsof成千上万的4.getup起床5.gotoschool去上学6.getdressed穿衣服7.brushteeth刷牙8.eatbreakfast/lunch/dinner吃早、午、晚饭9.takeashower洗澡10.dohomework做作业11.cleanyourroom打扫房间12.takeawalk散步13.gotobed睡觉14.gohome回家15.playsports参加体育运动16.eatvegetables吃蔬菜17.eatice-cream吃冰激淋三、知识讲解1、基数词表示数目多少的词叫基数词1)基数词的构成:1-12是独立的单词,13-19以teen结尾,13,15,18拼写特殊,其余在3-9个位数的基础上加-teen20-90十位的整数以-ty结尾,30,40,40,80的拼写较为特殊hundred,thousand与数字连用时用作单数形式,与of连用时要用复数形式,但前面不能加数字。2)基数词的读法/写法两位数的写法:在十位数与个位数之间加连字符“-”。如:28twenty-eight,96ninety-six。两位数的读法:先读十位的“几十”,再读个位的“几”。三位数的读法,在百位和十位(若无十位,则和个位)之间用and连接(美式英语可不用and)。如:148onehundred(and)forty-eight,千位数以上的基数词,从后向前数,每三位数加一个逗号。第一个逗号前的数字后加thousandPractice-读出下列数字22,33,44,55,66,77,85,88,99,21,25,31,35,45,65,75,76,28,29,71,64,83,983)基数词的用法①表示顺序、编号一般置于名词后。如:Unit2第二单元;Page20第20页如果数词前有No.,则“No.+基数词”置于名词前。【例句】—Who'sthatinPicture1?图1中的人是谁?—HeisastudentinNo.9MiddleSchool.他是第九中学的一名学生。Practice-翻译小练习第一课第八路公交车第二路公交车第九讲一班二班三班四班一号房间38号电话号码的读法:用基数词按顺序读出。重复的数字可用double。如:3866988threeeightsixsix(doublesix)nineeighteight(doubleeight)What'syourtelephonenumber?It's86336193./Mytelephonenumberis86336193.Practice读出下列电话号码1101121199111212112580122555891039029-86336193400820555540082099990289683141095489320400167245891319337141515920384572189475727651362085765813489507768②表示年龄岁数+year(s)old(可以省略)。【例句】Heistenyearsold.=Heisten.他十岁了。Howoldareyou?I'mfiveyearsold.Howoldisyourfather?Heisthirtyyearsold.Howoldisyourmother?Howoldisyourfriend?③用于计算—What'soneplustwo?一加二等于多少?—It'sthree.等于三。PracticeWhat'ssevenandeight?It'sfifteen.④表示时刻:英语中的时刻是用基数词来表示的,最常见的形式有三种:先点钟,后分钟。如:6:30sixthirty,7:52sevenfifty-two先分钟,后点钟。表示“分钟数不超半小时”,用“分钟数+past+钟点数”表示;如:5:25twenty-fivepastfive。表示“分钟数超过半小时”,用“(60-分钟数)+to+下一个钟点数”表示,即“差几分到几点”。如:10:43seventeentoeleven。表示“整点”,直接用“钟点数(+o'clock)”表示。“半点钟”用half表示,“一刻钟”用aquarter表示。如:6:00six(o'clock),10:30halfpastten,4:45aquartertofive,7:15aquarterpastseven。Whattimeisit?It'seighto'clock.Practice--读出下列的时间并回答问题8:00,9:05,7:15,7:30,6:45,6:55,8:24,1:30,2:50,3:40,8:50,9:20,11:30,12:35,11:40,10:45,3:25,9:33,5:08,6:15,7:19Whattimeisit?Whattimedoyougetup?Igetupat8:30Whattimedoyougotoschool?Whattimedoyougetdressed?Whattimedoyoubrushteeth?Whattimedoyoueatbreakfast?Whattimedoyoutakeashower?Whattimedoyoudohomework?Whattimedoyoucleanyourroom?Whattimedoyoutakeawalk?Whattimedoyougotobed?Whattimedoyougohome?Whattimedoyouplaysports?Whattimedoyoueatvegetables?Whattimedoyoueatice-cream?⑤表示年份1980nineteeneighty2004twothousandandfourPractice-读出下列年份1840,1990,1997,1979,1985,1984,1988,1989,1945,1991,2005,2014,2015,1980,2008,1949,1937,2、序数词表示顺序的词称为序数词。1)序数词的主要形式:①第1至第3独立成词:第1first,第2second,第三third.(第一第二第三比较特殊,用的最多,考的也最多)它们都有缩写形式,1st,2nd,3rd②第4到第19是在基数词的基础上加后缀-th.(注意一些特殊的情况)如:第4fourth,第5fifth,第6sixth,第11eleventh,第18eighth它们的缩写形式一般在阿拉伯数字后加后缀-th构成。需要注意的是第5,第8,第9,第12,第15的拼写:fifth--fiftheight--eighthnine--ninth,twelve--twelfthfifteen--fifteenth③整十的序数词由基数词将y变为ie再加后缀-th构成。第20twentieth(20th)第30thirtieth(30th)第40fortieth(40th)第50fiftieth(50th)第60sixtieth(60th)第70seventieth(70th)第80eightieth(80th)第90ninetieth(90th)④两位数的序数词只需把个位数变为序数词就可以了,十位数不做改变。第21twenty-first(21st)第42forty-second(42nd)第55fifty-fifth(55th)第98ninety-eighth(98th)基数词变序数词口诀:基变序,有规律,尾部要加-th。一、二、三,特殊记,结尾字母t,d,d(one----first,two---second,three---third)八去t,九去e,ve要用f替(eight—eighth,nine—ninth,five—fifth,twelve—twelfth)y要改为ie(twenty—twentieth,thirty—thirtieth)若是碰上几十几,只变个位就可以(twenty-one---twenty-first,thirty-four—thirty-fourth)2)序数词的用法:常用语表示日期Whenisyourbirthday?When引导的特殊疑问句,可对年、月、日及时刻进行提问,回答时常用表示时间的介词短语回答。回答:It'son....(日期)英文中日期的表达:月、日、年“日”用序数词表示,书写时定冠词可以省略,序数词词尾“th”等也可以省略,但读时一定要读成序数词。日期练习01.01,2.2,3.15,5.12,6.22,4.25,7.21,8.30,9.1010.01,12.12,11.1,12.31Practice--回答问题Whenisyourbirthday?It'sonSeptember10th.Whenishisbirthday?It'sonOctober11th.真题演练I.单项选择()1.--WhenistheTeachers'DayinChina?--It'son____.A.September10thB,December25thC.October31st()2.Thereare________daysinaweek.A.sevenB.fiveCthree()3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