小升初英语专题-- 数词 9页

数词一．教学内容1．复习上节课的内容，巩固上节课的重难点2．新课讲解基数词：表示数目的词为基数词，它的构成如下表：范 围特 点实   例1~12无规律 one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve13~19以teen为结尾 thirteen,fourteen,fifteen,sixteen,seventeen,eighteen,nineteen20~90以ty结尾 twenty,thirty,forty,fifty,sixty,seventy,eighty,ninety21~99十位与个位之间要加连字符“-” twenty-five,sixty-five,ninety-nine101~999百位与十位之间通常用and threehundredandtwenty-five（美语中常将and省略）千以上  6275—sixthousandtwohundredandseventy-five；1200—twelvehundred （二）序数词：表示顺序的数词为序数词，它的构成如下表：范 围特 点实   例 1~19各基数词尾加th其中七个例外：first,second,third,fifth,eighth,ninth,twelfth,其余，如：four—forth,six—sixth,nineteen—nineteenth 20,30~90把y变i后加eth twentieth,fortieth,ninetieth 21以后多位数最后一个数用序数词，其余用基数词 21st—twenty-first,110th—onehundredandtenth  1.数词的概述9\n基数词表示数目或数量的多少。序数词表示顺序或等级。1.基础词的构成l1~12的基数词需要单独记忆。1:one2:two3:three4:four5:five6:six7:seven8:eight9:nine10:ten11:eleven12:twelvel13~19的基数词都以-teen结尾13:thirteen14:fourteen15:fifteen16:sixteen17:seventeen18:eighteen19:nineteenl20~99的基数词整十数都是以-ty结尾。20:twenty30:thirty40:forty50:fifty60:sixty70:seventy80:eighty90:ninetyl非整十数的基数词用“整十数+个位数”构成，整十数与个位数之间加连字符“一”。25：twenty-five58:fifty-eight71:seventy-one99:ninety-nine100~999的基数词。l整百数词是以1—9的基数词加hundred构成100：onehundred200:twohundred600:sixhundredl非整百数的基数词由“整百数+整十数+个位数”构成。整百数与整十数之间加and，整十数与个位数之间用连字符“-”连接。185：onehundredandeighty-five207:twohundredandseven984:ninehundredandeighty-fourØ1000以上的基数词。1,000：a/onethousand一千8,000:eightthoudsand八千10,000：tenthousand一万30,000:thirtythousand三万100,000:onehundredthousand十万1,000,000:a/onemillion一百万1,000,000,000:abillion十亿有hundred等数词，有s时有of,没有s没of；数词前面加，没有s没of；前面无数词，有s也有of。特别提示：①注意几个拼写不规则的基数词thirteen，fifteen，eighteen，thirty,forty,fifty,eighty.②hundred,thousand,million,billion前面有具体数字修饰时，后面不能加“s”；表示大概数字时，词尾要加“s”。如hundredsof“数以百计”，thousandsof“数以千计”9\n巧学妙计巧计100以内的基数词基数词找规律，十二以内词各异；十三数到十九去，后加-teen莫忘记；二十、三十。。。。。。至九十，整十之后又ty；要说“几十几”，中间“-”号别丢弃；ahundred是“一百”，请你记住莫大意。2.序数词的构成l一、二、三、特殊记，词尾字母t,d,d.第一:first第二:second第三:thirdl八减t,九去e,（eighth,ninth）,f来把ve替第四:fourth第五:fifth第六:sixth第七:seventh第八:eighth第九:ninth第十:tenth第十一:eleventh第十二:twelfth第十三:thirteenth第十四:fourteenth第十五:fifteenth第十六:sixteenth第十七:seventeenth第十八:eighteenth第十九:nineteenthl单词ty作结尾，ty变成tie第二十:twentieth第三十:thirtieth第四十:fortieth第五十:fiftieth第六十:sixtieth第七十:seventieth第八十:eightieth第九十:ninetiethl若是碰到几十几，只变个位就可以第二十一:twenty-first第五十八:fifty-eighth第八十四:eighty-fourthl整百数的序数词为整百基数词的hundred后加-th第一百：onehundredth第四百:fourhundredth第八百:eighthundredth1.序数词中的first,second,third需单独记忆2.序数词的缩写形式为：阿拉伯数字+序数词最后的两个字母。first—1stsecond—2ndthird—3rdfifth—5thsixty-first—61st3数词中的“第4—第19”都是由“基数词+th”构成。其中fifth,eighth,ninth,twelfth的变化有些变化4第20—第90”中的8个整十数序数词是把其基数词词尾的“y”改成“i”，再加-eth5“第100”的序数词是在基数词hurdred的词尾直接加-th9\n1.数词的用法数词的应用十分广泛，它表示分数，小数，倍数和百分数，还可以表示时刻，编号，货币和年月日等。l表示编号电话号码4357334Tel.No.4357334:读作：telephonenumberfour,three,five,seven,doublethree,four第8号第8课第15行第223页第556号房间18路公交车No.8读作：numbereightLessoneight或theeighthlessonLine15读作:linefifteenP.223读作：pagetwohundredandtwenty-threeRoom556读作：RoomfivefivesixBusNo.18读作：Busnumbereighteen美国货币(dollar美元)英国货币(pound英镑)中国货币（yuan元，没有复数形式）1美元：1dollar或＄110美元：10dollars或＄101英镑：1pound或￡110英镑：10pounds或￡101元：1yuan或￥110美元：10yuan或￥10l表示年、月、日在表示时间时，汉语以“年—月—日”的顺序，而英语中常以“日—月—年”或“月—日—年”的顺序9\n2008年6月1日：June1st,2008或1stJune,2008“年”的表示法表示“年”用基数词，通常先读前面两位数，在读后面两位数。1981年读作：nineteeneighty-one1998年读作：nineteenninety-eight2008年读作：twothousandandeight“月、日”的表示法“月”用英语单词表示，“日”用基数词或序数词表示都可以。6月1日写作：June1st或June1读作：Junethefirst或Juneone“年-月-日”的表示法1986年9月1日：September1st或1stSeptember,19862011年8月8日：August8,2011或8thAugust,2011词汇加油站在英语中月份的省略写法如下：January—Jan.一月July—Jul.七月February—Feb.二月August—Aug.八月March—Mar.三月September—Sep./Sept.九月April—Apr.四月October—Oct.十月May—May五月November—Nov.十一月June—June六月December—Dec.十二月l表示时刻表示“整点”时用基数词7:00：(at）seven（o’clock）表示“半点”时用“halfpast+钟点”或“钟点”+thirty8:30:(at)halfpasteight或(at)eightthirty表示“几点几分”分钟数不超过30分钟用“分钟”+past+钟点8:21:twenty-onepasteight或eighttwentyone分钟数超过30分钟用“60减分钟数+to+下一个钟点数”8:56:fourtonineeight或fifty-six9:45:nineforty-five或aquartertoten或threequarterspastnine二．教学练习9\n用英语或中文表达以下年月日1.1983年6月9日__________________________________________________________2.1875年9月26日_________________________________________________________3.2007年1月12日__________________________________________________________写出下列时刻1.8:00______________________2.8:15_________________________3.8:30______________________4.8:45_________________________5.8:48______________________6.8:27__________________________单项选择(   )1．Thereare___________daysinayear．     A．threehundredandsixtyfive B．threehundredandsixty-five     C．threehundredsandsixtyfive  D．threehundredsandsixty—five(   )2．Dannylivesin__________．     A．room404   B．Room404    C．404room   D．404Room(   )3．Jimisin__________．     A．classone，gradesix     B．gradeone，classsix     C．ClassOne，GradeSix     D．GradeOne,ClassSix(   )4．Thebikecostme_________yuan．     A．fivehundredforty       B．fivehundredsfourty     C．fivehundredandforty   D．fivehundredfourty(   )5．Mytelephonenumberis____________．     A．eightyeighttwofortyfourzeronineB．eighteighttwodoublefourOnine     C．eightyeighttwoforty-fourzeronineD．eighteighttwofourfourzeronine(   )6．Isthereanyfoodforus_________?     A．ten       B．tenth     C．thetenth   D．theten(   )7．Maryis_________girl．     A.an8yearold  B．8一years—old C．the8yearsold     D．an8一year—old(   )8．—Whatdayistoday?  —9\n___________     A．June    B．Tuesday C．Itishot    D．It’sfine(   )9．—What’sthedatetoday?  —___________     A．It’sSaturday B．It’sJuly C．It’sfine  D．It’sJuIy15(   )10．—Whattimedoyougetupeveryday?     A．It’sseveno’clock   B．Seveno’clocktimeC．Atseven             D．Onseven()11.Thereare___________daysinayear．A．threehundredandsixtyfiveB．threehundredandsixty-fiveC．threehundredsandsixtyfiveD．threehundredsandsixty—five()12．Dannylivesin__________．A．room404B．Room404C．404roomD．404Room()13．Jimisin__________．A．classone，gradesixB．gradeone，classsixC．ClassOne，GradeSixD．GradeOneClassSix()14．Thebikecostme_________yuan．A．fivehundredfortyB．fivehundredsfourtyC．fivehundredandfortyD．fivehundredfourty()15．Mytelephonenumberis____________．A．eightyeighttwofortyfourzeronineB．eighteighttwodoublefourOnineC．eightyeighttwoforty-fourzeronineD．eighteighttwofourfourzeronine()16．Isthereanyfoodforus_________?A．tenB．tenthC．thetenthD．theten()7．Maryis_________girl．A.an8yearoldB．8一years—oldC．the8yearsoldD．an8一year—old()18．—Whatdayistoday?—___________A．JuneB．TuesdayC．ItishotD．It’sfine()19．—What’sthedatetoday?—___________A．It’sSaturdayB．It’sJulyC．It’sfineD．It’sJuIy15()20．—Whattimedoyougetupeveryday?A．It’sseveno’clockB．Seveno’clocktimeC．AtsevenD．Onseven9\n21.Thetreeis _______   tall. A.fourteenfoots    B.fourteenfeetC.fourteenfoot     D.fortyfoot22.Fiftyplus  _________   . A.fourtyisninety   B.fortyisninetyC.thirtyisninety    D.fiftyisninety23.Thereare ______studentsinthisschool. A.fourhundredfifty-twoB.fourhundredsfiftytwoC.fourhundredandfifty-twoD.fourhundredsandfifty-two24.Myhomeisabout ______awayfromtheschool.  A.threehundredmetre    B.threehundredsmetres  C.threehundredmetres   D.threehundredmetre25.Decemberis______andlastmonthinayear. A.thetwelveth     B.twelve    C.thetwelfth   D.twelfth26. _______oftheteachersintheschoolarefromcolleges. A.Threequarters    B.Two-thirdC.Twofifth        D.Two-ninth27.Thereweretwoworldwarsduring______century. A.thetwenties     B.thetwentiethC.twenties         D.twentieth28.Intheforties,hisfatherservedintheNew______Army(新四军)，whilehismotherworkedinthe______RouteArmy(八路军). A.Fourth;Eighth       B.Four;EighthC.Fourth;eight         D.Fourth;eighth29.Wearelearning_______now. A.thetwenty-firstlesson      B.LessonTwenty-firstC.the21thlesson         D.Lesson21st30.Hewillstayherefor  _______. A.oneandhalfmonthB.oneandahalfmonth C.onemonthsandahalfD.oneandahalfmonths31.—What’sthedatetoday?—It’s    ________. A.nine    B.Monday   C.June5     D.11:0032.—Wouldyouliketoeat ______apples? —No,thankyou. A.moretwo     B.twomore     C.twoanother    D.twoelse33.Hesaidhewouldcomebackin ______. A.oneortwodays   B.oortwodays     C.oneandtwodays    D.adayandtwo9\n34.—Howoftendoyouwritetoyourparentsabroad? —    _________. A.Twiceamonth         B.Secondtimesamonth    C.Asecondtimeamonth  D.secondatimeamonth35.________peoplediedinthetrafficaccidentsintheworld. A.Thousandof     B.Thousandsof     C.Tenthousandsof    D.Tenthousandof36.Inthe1850s,about______wascoveredbyforestintheUSA. A.third   B.athird   C.thethird   D.athirds37.Thisisher_______birthday,Ithink. A.twenty   B.twentieth   C.thetwentieth   Dthetwenty’s38.September_______isTeachers’Day. A.theten    B.tenth   C.thetenth   D.theten’s39.Thereare    childreninthecountryschool. A.twothousandfivehundredandsixtyB.twothousandsfivehundredandsixty C.twothousandsfivehundredsandsixtyD.twothousandfivehundredsandsixty40.  _______ofthesoldiersisabouttwothousand. A.Anumber    B.Thenumberof    C.Agreatnumber   D.Thebiggestnumbersof21～25BBCCC       26～30ABAAD31～35CBAAB     36～40BBCAB将下列词组译成汉语或英文1.elevenpens___________________2.eightsweetwatermelons___________________3.twelveo’clock_______________4.twoears______________________________5.renredoranges________________6.threejets_____________________________7.onelibrary___________________8.fivepineapples________________________9.sixtosix_____________________10.aquarterpasttwo_____________________11.四只老虎____________________12.六朵漂亮的花______________________13.十只大狗_____________________14.第2046号房间______________________15.第84页______________________16.第519路车________________________9