小升初第一讲 数词.doc

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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）1—12one,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threehundredthousand来表

2、示。用法：1)编号的事物用基数词：如：LessonFive,Unit2,Room101Mytelephonenumberis83955432.Howmanyboyscanyousee?Icansee5boys.2）表示”年，月，日“时用基数词。May5五月五日（Mayfifth）Mar.1三月一日（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。It’shalfpastten.十点半了。It’stwelvetwelve.十二点十二分了。4）加减乘

3、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。9___________11___________12__________13___________20__________71___________22__________83___________1022893000二、英汉互译。第五单元__________________LessonEight___________

4、______第1中学_________________五年级四班__________________BusNo.4__________________7:07________________________7+8=15___________________1994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.Wehave________monthsoftheyear.3.Mybi

5、rthdayisDec.________（21）.4.Ihave________（3）books.5.Thereare______seasonsinayear.四、选择题。(   )1.Mygrandmotheris_____old.A.seventiethB.seventyyearC.seventyyearsD.seventies(   )2.________peoplevisitthismuseumeveryday.A.HundredB.HundredsC.hundredofD.Hundredsof(   )3.Therearetwo________peopleint

6、hemeetingroom.A.hundredB.hundredsC.hundredsofD.hundredof(   )4.Wecansaythenumber78,645inEnglishlikethis________.A.seventy-eightthousandandsixhundredandforty-fiveB.seventy-eightthousandsixhundredandfortyfiveC.seventy-eightthousandsixhundredandforty-fiveD.seventyeightthousandsixhundredandfo

7、rty-five(   )5.“Theyear1999”shouldberead（应该读作）“Theyear_____.”A.nineteenandninety-nineB.nineteenninety-nineC.onethousandninehundredninety-nineD.nineteenhundredandninety-nine(   )6.What’sthedatetoday?Itis________.A.FridayB.timetogoC.cloudyD.June4th(   )7.Whatisfiveand