仁爱新版七下 语法第03讲：数词的用法（学生版）

仁爱新版七下单元语法同步讲义（教师版）Unit8Ourblueplanet第03讲：数词的用法（一）语法考点1.数词的概念：表示数目多少或者顺序先后的词叫数词。2.数词的分类：1.表示数目多少的叫；如：one一，two二，three三，four四。2.表示顺序先后的词叫。如：first第一，second第二，third第三。【考点01】基数词基数词的构成：1-12形各异12345678910111213-19结尾均是“”1314151617181920-90整十数结尾均是“”203040506070809021-99在整十位的数词后加上个位的数词，中间加上连字符“”2132456789101-999的构成要在百位数与十位数之间1583694577439991000以上的数字，从后向前数，每三位数加一“，”；第一个“，”前为thousand（千），第二个“，”前为million（百万）……。1,002onethousandtwo12,300twelveandthreehundred378,456threehundredandseventy-eightfourhundredandfifty-six6,569,782sixfivehundredandsixty-ninesevenhundredandeighty-two基数词的用法：(有数字无s)前有基数词时，hundred、thousand、million后不加s如：在我们学校有七百个学生。hundredsof成百上千的、thousandsof成千上万的如：农场里有成千上万的树。【考点02】序数词一、序数词的构成：1.123特殊记第一1st第二2nd第三3rd2.4-19由相应的基数词+构成，但注意有特殊变化(fifth,eighth,ninth,twelfth)第四第五第六第七第八第九第十第十一第十二3.20-90整十数,变为,+第二十第四十第五十第六十第九十4.要是遇到第几十几的序数词时，只有用序数词第三十一第四十二第五十三第六十五第八十八第九十九5.百、千、万的序数词有hundred－，thousand－第三百第四千二、序数词的用法：1.序数词前一般要加。如：Ourclassroomison.我们的教室在二楼。2.序数词前有物主代词，指示代词或名词所有格修饰时，不能再用定冠词the。如：Davidisherthirdson.David是她的第三个儿子。3.形容词的前可以使用序数词，表示“第……最……的”。如：TheYellowRiverisriverinChina.黄河是中国第二长河。4.序数词前用不定冠词，表示“”。如：Ihavethreebooks.Canyougivemefourthone?我有三本书了，你能再给我一本吗？【考点03】常见表达时刻顺读法倒读法✮30分钟常用；15分钟常用7:00/8:159:2510:3011:4612:50二、日期2月1号Feb.1st3月8号Mar.8th9月12号Sept.12th10月23号Oct.23rd12月30号Dec.30th三、年份1984年2008年2023年四、小数的表达6.1sixpointone12.13twelvepointthirteen56.08fifty-sixpointzeroeight

五、分数的表达1.分数由分子和分母组成。通常，分子用，分母用，分子大于1时，分母要用。1/21/43/42/53/8onesecond/（a/one)halfonefourth/aquarterthreefourths/threequarterstwofifthsthreeeighths2.分数在句子中作主语的时候，谓语动词的单、复数形式由of后面的来决定。如果of后面的名词是可数名词的复数形式，谓语动词用形式；如果of后面的名词是不可数名词，谓语动词用形式。如：ItissaidthattwothirdsofontheInternetisnottrue.

据说互联网上三分之二的信息是不真实的。

Twofifthsoftheinmyclassarefromthevillage.

我们班五分之二的学生来自那个村子。六、百分数的表达百分数由“”表示。5%fivepercent86%eighty-sixpercent倍数的表达在英语中，表示倍数时，两倍用;三倍或三倍以上用“”。表示倍数常用“”结构：Herhouseisyours.她的房子比你的房子大两倍。Thisriveristhatone.这条河比那条河长三倍。八、编号的表达

1.序号的表示方法：第六号2.书页的表示方法：第六页3.课数的表示方法：第六课4.年级的表示方法：六年级5.班级的表示方法：六班6.房间的表示方法：301房间九、特别补充1.“inone’s+基数词整十位数的复数”表示的是年龄，意为“”。如：Hisworksweresuccessful,andhebecamerichandfamous.他的作品很成功，20多岁时他就变得富有且出名了。2.表达年代应用“inthe+带有整十的年份+-s或-’s”形式，如：YuanLongpingwasborninBeijing.袁隆平在二十世纪三十年代出生于北京。（二）同步练习一、单项选择。（）1.AboutofthestudentslikekeepingdiariesinEnglishinourclass.twofifthB.twofifthsC.secondfiveD.twofive（）2.DavidBeckhamhas______children.BrooklynBeckhamishis______son.third,first,B.three,one C.three,first D.third,one（）3.It'snevertoooldtolearn.KarlMarxbegantolearnEnglishinhis______.thefiftiethB.fiftiethC.fiftyD.fifties（）4.Inhis________，Wilsonreturnedtohishometownandbegantoteach.thirtyB.thirtiesC.thirtieth（）5.______monthoftheyearisMay.TwoB.ThesecondC.FiveD.Thefifth（）6.IliveinRoom403,Samlivesintheroomrightabovemine,onthe______floor．thirdB．threeC．fifthD．five（）7.Basketballissoexcitingthat_______peopleplayitforlion

B.twomillions

C.millionof

D.millionsof（）8.Boysandgirls,pleaseturntoPage_______andlookatthe_______picture.Fifth;five B．Five;five C．Fifth;fifth D．Five;fifth（）9.Helenlovesreading.Shehasread_______booksthismonth.five B.fifth C.fiveof D.fifthof（）10.It’smy________timetocometothebookstorethismonthbecausemostofthebooksinitaremyfavorite.forth B．four C．fourth（）11.The______biggestearthquakesinNepal(尼泊尔)havekilledmorethan8,000people.two B．second C．twice（）12.Wearegoingonholidayinthe_______weekofJuly．two B.twice C.second（）13._______ofthelandinthatdistrictiscoveredwithtreesandgrass.Fifthtwo B.Twofifth C.Fifthsecond D.Twofifths（）14.——HaveyouheardaboutZhangjiajieGlassFootbridge——Ofcourse,builtovera_______canyonintheZhangjiajieNationalForestPark.A.300-meter-deepB.300-meters-deepC.300meterdeep D.300-metersdeep（）15.Everyyear,_______booksaredonatedtothechildreninpoorareas.MillionB.millionsC.millionsof D.million（）——Mum,_______ofmyclassmates glasses.——Oh,mygod.Youneedtoprotectyoureyeswell.A.three-fourths;wearsB.three-fourth;wearCthree-fourthwearsD.three-fourths;wear（）17.——MrBlacklooksveryexcited——90percentofthestudentsalreadycometohisbirthdayparty.have;seventiethB.have;seventieshas;seventiesD.has;seventieth（）18.Wegaveaway________bookstotheschoollibrarylastyear.sixthousands B.sixthousand C.sixthousandsof D.sixthousandof（）19.——IsDongjinHigh­speedRailwayStationthe________largestinHubeiProvince?——Yes,ofcourse.It’sjustalittlesmallerthanthelargestoneinWuhan.first B.second C.third D.fourth（）20.Todayismylittlesister’s________birthday.Myfamilywillgettogethertocelebrateit.eleven B.eleventh C.theeleventh D.theeleven（）21.Supposeyouhaveelevenpencilsinyourhand,andyoursisterasksforthree.Thenyouhave________pensleft.fourteen B.eleven C.eight D.three（）22.Adictionarycosts125yuan,andastorybookis25yuancheaperthanadictionary.Howmucharetwodictionariesandastorybook?350 B.300 C.275 D.325（）23.___________oftheboysinourclass___________goingtojointhearmy.A.Twofifths;is B.Secondfifths;areC.Secondfifths;is D.Twofifths;are（）24.Itwillbemy________birthdaynextSunday.fifteenth B.thefifteenth C.fifteen D.thefifteen（）25.Itis______fromthisschooltothehotelyoustayat.A.driveofanhour B.anhour’sdriveC.anhourdrive D.anhourofdrive’s（）26.——Goodmorning,Madam.CanIhelpyou?——Sure,I’dlike________forcookingvegetables.A.twocupsofteaB.threepiecesofbreadC.fivekilosofoilD.fourbottlesofmilk（）27.Nearly_______oftheearth_______coveredbysea.A.threefourth，isB.threefourths，isC.threefourth，areD.threefourths，are（）28.——We’llbebackforourschool’s____anniversaryceremony.——Isee.Thatmeansyou’llhaveaget-togetherwithyourclassmatesin_______years.fifteen，sevenB.fifteenth，sevenC.fifteen，seventhD.fifteenth，seventh（）29.——Whichclasswonthematchintheend?——I’mnotquitesure.Perhaps_________did.ClassThirdB.ThirdClassC.ClassThreeD.ThreeClass（）30.Thereare________peopleinthesupermarket.It’ssocrowded.hundredB.hundredsC.hundredofD.hundredsof（）31.Thenumberofthestudentsinourschoolisaboutnine______.______ofthemareboys.A.hundred;TwothirdsB.hundred;TwothirdC.hundreds;TwothirdsD.hundreds;Twothird（）32.Mybrotherisa______boyandhecan’tgotoschoolnow.

A.fouryearsB.four-year-oldfour-years-oldD.fouryearsold

（）33.Itissaidthatthebigfishinthelakeisabout______.

A.fourmeterslongB.fourmeterlong

C.four-meterlongD.four-meterslong（）34.——What’sthedatetoday?——Itis_______.

A.MarchtheeighthB.MarcheightC.eightMarchD.eighthMarch

（）35.——WheredoesyourEnglishteacherlive?——Heliveson_____floorofthatredbuilding..

A.fiveB.fifthC.thefifthD.thefive

（）36.Thisismy_____timetoplaythepianoatourschool.

A.secondB.twoC.secondsD.thetwo

（）37.OurEnglishteachertellsusthatthe_____dayoftheweekisSunday.

A.sevenB.seventhC.firstD.one

（）38.Thereare_____daysinayear.

A.threehundredssixty-fiveB.threehundredandsixty-five

C.threehundredandsixtyfiveD.threehundredsandsixtyfive

（）39.Mypenpal,Jack,isin_______inahighschoolinAmerican.

A.ThreeClass,OneGradeB.ClassThree,GradeOne

C.GradeOne,ClassThreeD.OneGrade,ThreeClass

（）40.Thereare______monthsinayearandDecemberisthe______monthoftheyear.

A.twelve;twelveB.twelve;twelfthC.twelfth;twelveD.twelfth;twelfth用括号中所给的词的适当形式填空。

1.Mysisterisgoingtohaveapartyforher(twelve)birthday.

2.Youcansee(thousand)oftreesaroundourvillage.

3.Four(seven)ofthepeoplearegoingtoplanttreesonthehilltomorrow4.Thereare(hundred)ofpeopledancingatthesquareaftersupper.His(one)nameisMike.ButIdon’tknowhisfamilyname.6.Iaminmy(three)yearinthismiddleschool.全中考7.Heplanstotake(second)monthsforhisclimb．8.Alexisyearsoldandistakengoodcareofinthekindergarten.(fourth)9.TheoldmanstartedtolearnhowtosurftheInternetinhis(eighty)．10.Sheisnineteen,andnextyearsheisgoingtocelebrateher(twenty)birth