小升初第一讲数词

1、第一讲数词知识要点：表示“多少”和“第几”的词，叫数词。数词分为基数词和序数词两种。1)112one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve2）表示“几十几”则要在十位数词和个位数词中间加上连字符''。如:21twenty-one3）基数词三位以上的数词，在百位和十位之间，一般要用连词"and"。如：332threehundredandthirty-two4）表示"万“的词英语中没有。如1万可用10千来表示。tenthousand. 30 万可用 three hundre

2、d thousand 来表示。以teen结尾thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen20 90twenty, thirty, fort必 fifty； sixtySEvenly, eighty ni旋ty2199twenty-fiv e,"sixty-one 间加连字符 Tninety-iiine .十位与个位之I<H 199百位与十位之 间通常要用and千以上1000-2000 间常讲若干百three hundred and twenty-five12U0; twelve hundr

3、ed.6275: six thousand (wo hundredand qncaity-fivv; 5.237J66.2344-用法：编号的事物用基数词：如：LessonFive,Unit2,Room101Mytelephonenumberis.HowmanyboyscanyouseeIcansee5boys.2)表示"年，月，日”时用基数词。May5五月五日(Mayfifth)三月一日(Marchfirst)Julyfourthnineteenninety1990年7月4日3).表示“几点钟，几点过几分”用基数词。Itistwototwo.现在是两点差两分。Itshalfpast

4、ten.十,点半了。Itstwelvetwelve.十二点十二分了。4)加减乘除用基数词。Oneplustwoisthree.一加二等于三。Eightminusfourisfour.八减四等于四。Twotimestwoisfour.二乘二等于四.Tendividedbytwoisfive.十除二等于五。实战演练：一、写出下列基数词。9111213207122831022893000二、英汉互译。第五单元LessonEight第1中学五年级四班Bus7:077+8=151994年fivelittlemice第六号房间三、用括号内所给数词的正确形式填空。1. WeareinClass(3).2.

5、Wehavemonthsoftheyear.3. Mybirthdayis(21).4. Ihave(3)books.areseasonsinayear.四、选择题。5. )1.Mygrandmotherisold.A.seventiethB.seventyyearC.seventyyearsD.seventies()visitthismuseumeveryday.A.HundredB.HundredsC.hundredofD.Hundredsof()3.Therearetwopeopleinthemeetingroom.A.hundredB.hundredsC.hundredsofD.hun

6、dredof()4.Wecansaythenumber78,645inEnglishlikethis.A. seventy-eightthousandandsixhundredandforty-fiveB. seventy-eightthousandsixhundredandfortyfiveC. seventy-eightthousandsixhundredandforty-fiveD. seventyeightthousandsixhundredandforty-five()5."Theyear1999"shouldbe(read读作)“Thyear.”A. ninet

7、eenandninety-nineB. nineteenninety-nineC. onethousandninehundredninety-nineD. nineteenhundredandninety-nineE. )6.What'sthedatetodayItis.A.FridayB.timetogoC.cloudyD.June4th()7.WhatisfiveandeightA.TwelveB.ThirteenC.FourteenD.Fifteen()8.WhatisLilyinSheisin.A.Class;classfiveB.Class;ClassFiveC.class;ClassFiveD.class;classFive()9.Therearedaysinayear.A.threehundredandsixtyfiveB.threehundredandsixty-fiveC.threehundredsandsixtyfiveD.threehundredsandsixtyfive()10.Dannylivesin.A.room404B.Room404C.404roomD.404Room()11AC()12ACJimisinclassone，gradesixBgradeone，classsix