第三講：數(shù)詞

一、【考點(diǎn)解讀】

數(shù)詞在我們的日常生活中時(shí)時(shí)出現(xiàn)，因此它的學(xué)習(xí)既有趣味，又有點(diǎn)繁瑣。在小學(xué)階段，

我們需要掌握好基數(shù)詞和序數(shù)詞的運(yùn)用，日期和時(shí)刻的表達(dá)，約數(shù)和具體數(shù)字的區(qū)別，聽懂

別人的表達(dá)，并且能夠在自己的表述中準(zhǔn)確運(yùn)用它們。

二、【知識(shí)講解】

知識(shí)點(diǎn)1——基數(shù)詞和序數(shù)詞

基數(shù)序數(shù)詞基數(shù)詞序數(shù)詞基數(shù)詞序數(shù)詞基數(shù)詞序數(shù)詞

詞

onefirsteleveneleventhtwenty-onetwenty-firsttententh

twosecondtwelvetwelfthtwenty-twotwenty-secondtwentytwentieth

threethirdthirteenthirteenthtwenty-threetwenty-thirdthirtythirtieth

fourfourthfourteenfourteenthtwenty-fourtwenty-fourthfortyfortieth

fivefifthfifteenfifteenthtwenty-fivetwenty-fifthfiftyfiftieth

sixsixthsixteensixteenthtwenty-sixtwenty-sixthsixtysixtieth

sevenseventhseventeenseventeenthtwenty-seventwenty-seventhseventyseventieth

eighteightheighteeneighteenthtwenty-eighttwenty-eightheightyeightieth

nineninthnineteennineteenthtwenty-ninetwenty-ninthninetyninetieth

tententhtwentytwentieththirtythirtiethoneone

hundredhundredth

知識(shí)點(diǎn)2——時(shí)刻的表達(dá)

順讀法小時(shí)+分鐘7:20讀作：seventwenty

逆讀法分鐘≦30分鐘分鐘+past+小時(shí)7:15讀作：aquarterpastseven

分鐘>30分鐘（60-分鐘）+to+(小時(shí)+1)7:48讀作：twelvetoeight

7:45讀作：aquartertoeight

知識(shí)點(diǎn)3——日期的表達(dá)

表達(dá)順序書寫方式讀法

月/日，年份May1,2018Maythefirst,2018

日/月，年份1May,2018thefirst(day)ofMay,2018

知識(shí)點(diǎn)4——年齡的表達(dá)

attheageof…在..歲時(shí)

…year(s)old…歲

inone’sfifties在某人五十多歲時(shí)

知識(shí)點(diǎn)5——約數(shù)與具體數(shù)目的表達(dá)

約數(shù)與具體數(shù)字示例

數(shù)字+hundred/thousand+nsfivehundredstudents

seventhousandstudents

ahundred=onehundred

約數(shù)+hundred/thousand+nssomethousandstudents

severalhundredstudents

manythousandstudents

數(shù)字/約數(shù)詞+hundred/thousand+ofthensfivehundredofthestudentsinourschool

seventhousandofthestudents

severalhundredofthestudents

(不加數(shù)字或約數(shù)詞)hundredsofstudents

hundreds/thousandsof+nsthousandsofstudents

知識(shí)點(diǎn)6——a/an用法區(qū)別

用法示例

a用于發(fā)音以輔音音素開頭的單詞前asinger,aschool,achild,aknife,

a/an+（修飾詞）+n(單數(shù)）abigorange,aredapple

an用于發(fā)音以元音音素開頭的單詞前anapple,anorange,anorangepen,

a/an+（修飾詞）+n(單數(shù)）anEnglishcar,anumbrella，anAmericangirl

知識(shí)點(diǎn)7——a/an用法易錯(cuò)點(diǎn)

易錯(cuò)點(diǎn)

單詞以元音字母開頭，發(fā)字母u開頭:auniversity,ausefulbook,aunit,auniform,

音卻以輔音音素開頭字母e開頭:aEuropeancountry

字母o開頭:aone-eyedmonkey,aone-waystreet

單詞以輔音字母開頭，發(fā)anhour,anhonestboy

音音卻以元音音素開頭

26個(gè)字母中以元音音素發(fā)a,e,f,h,i,l,m,n,o,r,s,x

音開頭的字母有12個(gè)一句話概括以上所有字母：“Mr.Lihasonefox.”

Thereisan“s”inthewordschool.Thereisan“m”inthewordmud.

三、【典例探究】

【例題1】：Thereare_____floorsinmyhouseandmybedroomisonthe_____floor.

A.twelfth;ninthB.twelve;ninth

C.twelve;ninethD.twelfth;nineth

答案：B

【解析】基數(shù)詞+ns,the+序數(shù)詞+n(單數(shù)）

【例題2】：TuYouyouwasawardedtheNobelPrizeinher.

A.eightiesB.eightyC.eightiethD.eightieths

答案：A

【解析】insb'seighties表示在某人八十多歲時(shí),故選擇A。

【例題3】：—Wherewereyouborn，Michael？

—Iwasborninasmallvillagewithonlythree_______people．

A.hundredB.hundredsC.hundredsof

答案：A

【解析】對(duì)于hundred、thousand、million等量詞，要記住“有數(shù)字無s和of，沒有數(shù)字有s

必有of”，這個(gè)口訣需要學(xué)生背誦，這類習(xí)題也就拿下了。

四、【課堂運(yùn)用】

【基礎(chǔ)】

【練習(xí)1】

【練習(xí)2】

【鞏固】

【練習(xí)】單選選擇

1.Marchismonthoftheyear.

A:athreeB:thethirdC:athird

2.Theclassbeginsat(8:05).

A:fivetoeightB:eightfiveC:fiveeight

3.Eightpluseightis.

A:sixteenB:sixty-fourC:one

4.Heisanboy.

A:eightyearsB:eight-year-oldC:eight-years-old

5.Thewallis.

A:fourmeterslongB:fourmeterlongC:four-meterlong

6.Helivesin.

A:310roomB:room310C:Room310

7.Thisismytimetoplaythepiano.

A:atsecondB:twoC:second

8.TheDayoftheweekisSunday.

A:firstB:oneC:oneth

9.Therearedaysinayear.

A:threehundredssixty-fiveB:threehundredandsixty-fiveC:threehundredandsixty

five

10.Jackisin.

A:ThreeClass,OneGradeB:ClassThree,GradeOneC:GradeOne,ClassThree

【拔高】

【練習(xí)】單選選擇

1.Pleaseturnto.

A:PageTwoB:Pagesecond

2.Therearemonthsinayear.Decemberisthemonthoftheyear..

A:twelve，twelveB:twelve，twelfthC:twelfth，twelve

3.Snowwasborn.

A:onMarch16th1998B:onMarch1998,16thC:on1998,March16th

4.What’sthedatetoday?It’s.

A:FridayB:cloudyC:June4th

5.Thereareminutesinanhour.

A:sixtyB:sixtiethC:sixteenD:six

6.“Howmanyteachersarethereinyouruniversity?”“.”

A:Twohundredsandforty-threeB:Twohundredandforty-third

C:Twohundredsandforty-thirdD:Twohundredandforty-three

7.ThereareEnglishbooksforusstudentsintheschoollibrary.

A:fourhundredsandfiveB:fourhundredsfive

C:fourhundredandfiveD:fourhundredfive

8.“456”mustbereadandwritteninEnglishas.

A:four,fiveandsixB:fourhundredandfiftysix

C:threehundredsandfifty-sixD:fourhundredandfifty-six

9.May23reads.

A:Maythetwenty-thirdB:thetwenty-thirdMay

C:Maythetwenty-threeD:thetwenty-threeofMay

10.Bytheendof1993,thepeasantshadplantedtreesintheirvillage.

A:twohundredsofB:hundredof

C:twohundredsD:hundredsof

11.isTeachers’DayinChina.

A:TenthSeptemberB:Septemberthetenth

C:TheofSeptemberD:TheSeptembertenth

12.Iamin.

A:Grade1Class3B:Class3,Grade1

C:3Class,1GradeD:Class3Grade1

13.childrenwatchedthemonkeyplayingwitheachotherinthezoo.

A:AbouttwohundredsB:Hundredsof

C:AbouttwohundredofD:Hundredof

14.Therearenearlytwostudentsinourschoolnow.

A:thousandsB:thousandsof

C:thousandD:thousandof

15.classbeginsateightinthemorning.

A:OneB:TheoneC:FirstD:Thefirst

五、【課后鞏固】

【習(xí)題1】單選

1.Thereareaboutsoldiersontheplayground.

A:twohundredsofB:twohundred

C:twohundredsD:twohundredof

2.Tomlivesonfloor.Hedoesn’thavealifttogoupanddown.

A:nineB:theninth

C:ninthD:aninth

3.509isreadas.

A:fivehundrednineB:fivehundredandnine

4.treesareplantedonthehill.

A:ThousandB:Thousands

C:ThousandofD:Thousandsof

5.classbeginsateightinthemorning.

A:OneB:TheoneC:FirstD:Thefirst

6.Theyusuallyhavesupperatintheevening.

A:twentytoeightB:twenty-eight

C:twentyeightD:eight-twenty

7.MikeandBillarebothin.

A:3GradesB:3Grade

C:grade3D:Grade3

8.Yourseatisin.

A:RownineB:theninerow

C:theninthrowD:theninethrow

9.Ittookhimhourstofi