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1、专题三数词基数词(2021/2019/2017/2015/2014考,选择填空、单词拼写考查)选择填空。(A)1.Itsmydaughtersbirthdaytoday.Shes_yearsold.AeighteenBeighteenthCtheeighteenDtheeighteenth(B)2.(2021天水)Whatstwentyandfifty?Its_AfiftyBseventyCeightyDninety(A)3.(2021河池凤山县二模)Themanbegantodriveacarattheageof_AthirtyBthirtiesCthirtiethDthethirtieth
2、(C)4.Itssaidthatthetwo_doctorshavejustcomebackfromWuhan.Yeah,Iknowthem.Theyarebothalreadyintheir_.Awoman;sixtyBwomen;sixtiethCwomen;sixtiesDwoman;sixties单词拼写。5Elevenand_nineteen(十九) isthirty.6Thereare_thirtyone(三十一) daysinMarch.1基数词的构成数字基数词变化规则示例012独立的单词,有各自的形式zero,one,two,three,four,five,six,seven,
3、eight,nine(2017、T81),ten,eleven,twelve1319个位数teen(13,15,18较特殊)thirteen,fourteen,fifteen,sixteen,seventeen,eighteen,nineteen2090(整十)个位数ty(20,30,40,50,80较特殊)twenty,thirty,forty,fifty,sixty,seventy,eighty(2019、T77),ninety2199(非整十)整十位数“(连字符)”个位数28twentyeight(2015、T85)45fortyfive101999(非整百)百位数and末两位数(或末位
4、数)123onehundredandtwentythree608sixhundredandeight续表数字基数词变化规则示例几百、几千等在hundred,thousand等词前加基数词100onehundred2,000twothousand1000以上的数千位数百位数and末两位数(或末位数)1,234onethousandtwohundredandthirtyfour2.基数词的用法(1)表示数量(2)表示时刻表示时间有两种读法,一种是顺读法,即直接读;另一种是逆读法。表达法示例顺读法逆读法“几点整”用“基数词(oclock)”表示6:00six (oclock)若分钟小于30分钟,可用
5、“基数词”或“分钟past小时”表示8:10eightten,8:10tenpasteight若分钟大于30分钟,可用“基数词”或“(60分钟数)to(小时1)”表示8:50eightfifty8:50tentonine注意:30分钟可以用half表示,15分钟可以用quarter表示,45分钟可以用threequarters表示。(3)表示年龄如:tenyearsold十岁attheageofeight八岁inonesnineties在某人九十多岁时(2021、T78)(4)表示编号如:LessonTwothesecondlessonLesson2(第二课)(5)表示年、月、日(见P130“
6、考点2”2.序数词的用法)(6)“基数词more复数名词”意为“又;再”,通常可与“another基数词复数名词”互换使用。如:Angelagavemetwomorebananas.Angelagavemeanothertwobananas.安杰拉又给了我两根香蕉。(7)数词作定语(2014、T37)“数词名词(形容词)”结构可作定语,属于“复合形容词”。注意,此时连字符所连接的名词要用单数。如:athreeyearoldboy一个三岁的男孩序数词(2020/2018/2014考,单词拼写考查)选择填空。(B)1.(2021长春改编)Shanghaiismyfathersfavoritecit
7、yanditshis_timetovisit it.AfiveBfifthCthefifthDafive(D)2.(2021恩施州改编)Myaunthasonlyonechild, andshewants_child.AthesecondBatwoCtwoDasecond(B)3.(2021达州)Mymotherwillbe_yearsoldnextweek.Implanningtobuyagiftforher_birthday.Afourty;fourtiethBforty;fortiethCfourty;fortiethDforty;fourtieth单词拼写。4Wewillleaveon
8、theeleventh(第十一)ofAugust.5Mr.Greenlivesonthe_twentieth_(第二十) floorofthebuilding.6(2021河池)Franksparentsboughthimanewcomputeronhistwelfth(第十二) birthday.1序数词的构成数字序数词变化规则示例13形式特殊first,second(2020、T71),third419基数词th(第5、8、9、12稍不同)fourth(2020、T79),fifth(2018、T81),sixth,seventh,eighth,ninth,tenth,eleventh,t
9、welfth,thirteenth(2014、T80),fourteenth,fifteenth,sixteenth,seventeenth,eighteenth,nineteenth2090(整十)去掉相应基数词词尾的y,加iethtwentieth,thirtieth,fortieth,fiftieth,sixtieth,seventieth,eightieth,ninetieth续表数字序数词变化规则示例2199101999(非整十)仅将个位数变为序数词第二十一twentyfirst第四十五fortyfifth第一百二十九onehundredandtwentyninth整百、整千等在词尾
10、加th第三百threehundredth第两千twothousandth【基变序口诀】一二三,特殊记;五和十二很容易,f来把ve替;八去t,九去e,末尾都加th;遇到几十几,只变个位就可以;遇到整几十,改y为ie,末尾仍加th。2序数词的用法(1)表示顺序。其前加定冠词the,其后接单数名词。如:Thesecondcarismine.第二辆车是我的。(2)表示日期、年代及世纪。年用基数词,日用序数词,读时前面加定冠词the。年份可整体读,也可以先读前两位数,再读后两位数。时间表达法示例年、月月在前,年在后,中间可不用逗号2020年3月March2020年、月、日月日(基数词),年月the日(序
11、数词),年the日(序数词)of月in年2020年3月9日March9,2020Marchtheninth,2020theninthofMarchin2020年代“inthe年份的复数形式”表示“在世纪年代”在20世纪40年代inthe1940s/nineteenforties世纪“the序数词century”或“the百位进数s”在21世纪inthetwentyfirst/21stcentury在20世纪inthe1900s注意:序数词前通常要加定冠词the,但如果序数词前面有my,his等限定词修饰时,则不能加the。如:Look!Thisishisthirdcar.看!这是他的第三辆车。
12、序数词前加a/an,表示“又一;再一”。如:Ivetriedtwice,butIlltryathirdtime.我已经试过两次了,但我还会再试第三次。概数词(2020/2017考,选择填空考查)选择填空。(C)(2021滨州)Chinaisagreatcountrywithahistoryofaboutfive_years.Yes.And_offoreignerscometovisititevery year.Athousand;thousandBthousands;thousandsCthousand;thousandsDthousands;thousand1表示确切的数字(具体数字概数词复
13、数名词)hundred,thousand,million等词与具体数字(如one,two等)连用时,要用单数形式,一般不与of连用。如:threehundredstudents三百名学生2表示不确切的数字(概数词加“s”of复数名词)hundred(2017、T30),thousand(2020、T30),million等词与of连用时,要用复数形式,前面不能再加数字。如:thousandsofpeople成千上万的人分数(近8年未考,仅作了解)选择填空。(B)(2021黔东南州)About_ofthestudentsinKaili_toschoolby bus.Atwofifth;goBtw
14、ofifths;goCtwofifth;goesDtwofifths;goes分数在英语中通常是借助于基数词和序数词共同来表达的。分子用基数词,分母用序数词。分子为1时,分母用单数;当分子大于1时,分母加s。当分数构成的短语作主语时,谓语动词的单复数与分数后的名词保持一致。如:onethird三分之一twothirds三分之二Twofifthsoftheappleiseaten.这个苹果被吃了五分之二。Twofifthsoftheapplesarered.有五分之二的苹果是红的。注意:一些习惯用法:1/4也可表示为aquarter,3/4也可表示为threequarters,1/2也可表示为a
15、half。一、选择填空。(A)1.Howmanyhoursdoyousleepeverynight?About_hours,from9:00p.m.to6:00am.AnineBnineteenCninthDninety(D)2.(2021铜仁)Thereare_floorsinthisbuilding.Helivesonthe_floor.Athirty;nineBthirtieth;nineCthirtieth;ninthDthirty;ninth(A)3.(2021朝阳)Howmanystudentsinyourclassgettoschoolonfoot?About_ofthemdo.
16、AthreefifthsBtwothirdCfirstfourDoneseconds(A)4.Howmanybooksarethereontheshelf?Well,Ithinkthereare_books.AtwohundredandfortysixBtwohundredsandfortyCtwohundredfourteenDtwohundredsandfortysix(C)5._peoplelosttheirhomesinJapansearthquake.ATwothousandsBThousandCThousandsofDThousandof(D)6.(2021玉林)Susan, ho
17、wmanywomenteachersarethereinyourschool?Inourschool, _oftheteachers_womenteachers.Athirdfourth;areBthirdfourth;isCthreefourths;isDthreefourths;are(A)7._ofourclassmatesaregoodatbasketball.AThreequartersBThreefourthCThirdfourDThirdfourth(B)8.Tonysmomlooksyoungandbeautiful.Itshardtoimaginesheisalreadyin
18、her_AfiftyBfiftiesCfiftiethsDfiftieth二、用所给单词的适当形式填空。1LilyvisitedBaisetwice.Thefirst(one) timeisinsummerandthesecond(two) timeisinwinter.2(2021盘锦)MycousingotastorybookfromTinaonhiseighth(eight) birthday.3Heretired(退休)onhissixtieth(sixty) birthday.4Weprintedtwohundred(hundred)andsixtyinvitations.5OurEnglishteacherisinhisthirties(thirty).三、单词拼写。1Septemberistheninth(第九)monthofayear.2ThoughAnnwonthird(第三)placeintherunningrace,shefelthappy.3(原创题)Tomakeasoccerteam,weneedtwentythree(二十三)playersinall.4(文化题)LightSnowisthe_twentieth(第二十) ofthe24solarterms(节气)