2017中考英语 第一部分 语法专项4 数词复习

2017届初三年级英语中考第一轮总复习导学案专题四：数 词考点分析：一、考纲要求1、掌握基数词与序数词的构成2、熟练掌握年、月、日、编号、分数的表示法3、理解数词的某些特殊用法，如hundreds of, thousands of, 1990s 等二、命题特点通过对近几年部分省市中考题分析，关于数词的考题比较少，主要集中在基数词和序数词的用法区别，以及分数的正There are _________ ___________ workers in the factory.工厂里有六百名工人。

_______________ __________________visitors have come to Hangzhou in the past two weeks.过去两周有成千上万的游客来到了杭州。

巧记： 例题点睛(1)The volunteers sent books to a mountain village school on Children ’s Day.A. two hundreds ofB. two hundred ofC. two hundredsD. two hundred(2)The government of Chongqing is building cheap and goodhouses for the people.A. thousandB. thousandsC. thousand ofD. thousands of2.基数词的用法（1）请看下列句子中的基数词分别作什么成分： Five is enough. We need eight . He is ten . There are fifty desks in our class.基数词可以在句中用作_______语、________语、________语和________语。

（2）用于_________之后表示顺序、编号、此时_________和基数词的第一个字母通常都大写。

语法专项突破专题四 数词时省略the 。

This is our first lesson.这是我们的第一节课。

（2）序数词前加a/an 表示“又一，再一”。

Even though the Browns have 3 children ，they still want a fourth one. 尽管布朗夫妇已有3个孩子，可他们还想再要一个。

考点三 分数1．分数的表达（1）分子用基数词，分母用序数词；如果分子大于1，分母要用复数形式。

3/4 three fourths 4/5 four fifths（2）在英语中，“四分之一”常表示为 a quarter ；“四分之三”表示为three quarters ；“二分之一”表示为a half 。

（3）百分数的表达方式是：基数词＋percent 。

Forty percent of the students in our class are from cities.我们班有40%的学生来自城市。

2．分数的用法“分数＋of＋限定词＋名词复数”作主语时，谓语动词应用复数形式；“分数＋of＋限定词＋不可数名词/名词单数”作主语时，谓语动词应用单数形式。

但“分数＋of＋限定词＋population”作主语时，谓语动词应用复数形式，此时population 意为people。

One half of the stu dents are from China in this scho ol.这所学校一半学生来自中国。

Two thirds of her money is spent on clothes.她把三分之二的钱花在了衣服上。

Three fourth of the population in Singapore are Chinese.新加坡四分之三的人是中国人。

1．（湖南郴州中考，34）Last year，one hundred English teachers took part in the ______ English Summer Training.A．two­month B．two­months C．two months2．（湖南郴州中考，29）—Li Jiacheng plans to give ______ of his money to the charity.—Really？What a kind man he is!A．one third B．one three C．one thirds3．（四川广安中考，26）—Guang'an is a beautiful city，isn't it?—Yes.There are about two ______ visitors here every week.A．thousands of B．thousands C．thousand4．（四川南充中考，30）I think ______ should not be allowe d to drive.A．sixte en years old B．sixteen­year­old C．sixteen­year­olds5．（广东佛山中考，34）Three students ran faster than Lily in the race.Lily was______.A．the fourth B．four C．the third6．（2011湖北恩施中考，32）He wrote his ______ novel when he was ______.A．five；fifties B．fifth；fifty C．fifth；fiftieth7．（四川自贡中考，23）—I hear your friend is visiting Sanya again.Is it the second time for him?—Yes，and he will come for ______time next spring.A．a third B．a second C．the thi rd8．（福建宁德中考，34）—Excuse me，which is the way to the museum?—Sorry，I don't know.This is my______ time here.A．first B．second C．third9．（福建南平中考，27）Thanks to Project Hope，______ children have better lives.A．thousands of B．thousands C．thousand10．The work is too difficult for Mr Zhu to finish in a week.He needs ______ days.A．more two B．two more C．two another11．The road is over ______ meters long.A．six hu ndred and fifty­two B．six hundreds and fifty­two C．six hundred，fifty­two12．______ of the land in that district ______ covered with trees and grass.A．Two fifths；is B．Two fifth；are C．Two fifth；is13．About ______ of the workers in the factory were born in the ______.A．two­thirds；1970 B．two­thirds；1970s C．two­third；197014．______ of the warm water ______ already been used up.A．Two­third；has B．Two­third；have C．Two­thirds；has15．—It's 7：45.—Yes，it's ______.A．a quarter past seven B．a quarter to eight C．fifteen past seven o'clock16．—Do you have enough students to clean the laboratory?—No，I think we need ______ students.A．another B．two others C．two more17．The government of Chongqing is building ______ cheap and good houses for the people.A．thousand B．thousands of C．thousand of18．—We'll be back for our school's ______ anniversary ceremony.—I see.That means you'll have a get­together with your classmates in ______ years.A．fifteen；seven B．fifteenth；seven C．fifteen；seventh19．—Good news！Bill won ______ medal in the long jump just now.—Really？That's his ______ one at our sports meeting.A．a；four B．an；fourth C．a；fourth20．Nowadays ______ of business letters are written in English.A．two third B．two thirds C．two three21．Nearly ______ of the earth ______ covered by se a.A．three fourth；is B．three fourths；is C．three fourth；are22．—What class are you in?—I'm in ______.A．Grade Two，Class Five B．Class Five，Grade Two C．class Five，grade Two23．—What's the date today?—It's ______.A．December one B．December the fir st C．the December first24．—How many teachers are there in your school?—______，but I'm not sure.A．Hundreds B．Hundred C．One hundred25．—Was he born in ______ century?—No，he was born in the ______.A．twenty­one；1990 B．the twenty­first；1990 C．the twenty­first；1990s参考答案专题四数词专题提升演练1．A 数词与名词之间用连字符连接作定语，其中的名词用单数形式，故选A项。

数词考点一基数词的组成表示数目多少的数词叫基数词。

它的组成方式以下：(1)1 —12 为独立的单词，有其各自的形式。

one two three four five sixseven eight nine ten eleve twelvn e(2)13 — 19 都以 -teen 结尾，单词中的两个音节都重读。

thirtee fourtee fifteen sixteenn nsevente eightee nineteeen n n(3)20 — 90 之间的“整十”都以-ty 结尾，单词中的第一个音节重读。

twenty thirty forty fiftysixty seventy eighty ninety(4)20 — 99 之间的“几十几” ，十位和个位之间加连字符。

如：22 twenty-two 35 thirty-five(5)101 — 999 之间的非整百的基数词：百位数和十位数( 或个位数) 之间用and 连结。

如：156 one hundred and fifty-six709 seven hundred and nine(6)四位数或四位数以上的基数词的拼写规律为：从右向左每三位加一个逗号，第一个逗号前用thousand ，第二个逗号前用million，第三个逗号前用billion；读数时从左向右挨次读出来。

如：3， 895 three thousand，eight hundred and ninety-five17， 825， 437，108 seventeen billion，eight hundred and twenty-five million，four hundred and thirty-seven thousand，one hundred and eight例 The road is over metres long. A.six hundred and fifty-twoB. six hundreds and fifty-twoC. six hundred，fifty-twoD. six hundred，fifty and two分析：表示“几百几十几”时，数词hundred 后不加 -s ，百位与十位( 或个位) 之间应用and 连结，而不可以用“，”，且十位和个位之间要加连字符，应选A。

2017中考专题复习——数词1、近几年中考对数词得考查主要就就是对基数词和序数词得构成及其用法上。

日期、时间和分数也就就是中考考查得考点。

题型将以选择题、词汇运用和完形填空为主。

2、数词考查往往与其她知识点考查结合进行,如主谓一致等。

3、预计2０１7对数词得考查重点仍然就就是基数词确数和概数得区分以及序数词拼写和应用。

一、数词概述表示数目多少或就就是顺序先后得词叫数词。

数词分为基数词和序数词。

二、基数词表示数目多少得词就就是基数词。

1、最基本得数词:１~20:ｏne;ｔwｏ;three;ｆｏur;ｆｉｖe;sｉｘ;seｖen;ｅｉght;ｎiｎe;ｔen;elｅｖeｎ;twelve;ｔhirｔｅｅｎ;foｕrtｅen;fｉｆteeｎ;sixtｅen;sevｅｎteen;eighteen;nｉneteeｎ;tweｎty;3０thirｔｙ;40 fｏrty;50 fiｆty;６０ｓｉxty;70 seventy;80 eighty;90 ninetｙ;100 a ｈｕnｄreｄ;100０ａ th ouｓand;１000000 ａ miｌlion;１00000０000 a ｂillioｎ2、基数词1~1２就就是独立单词,所以我们必须逐个记忆。

基数词13～１9就就是个位数词得词干后加teｅn构成。

其中thiｒｔeｅn,fiｆtｅｅn,eighteｅn变化不规则。

基数词2０～90就就是在十位数词后面加ｔｙ构成。

基数词２1~99就就是在十位数词后面加个位数词合成,中间加上连字符号“-”。

如:2１ tｗeｎty-ｏnｅ;83 eighｔy-threｅ3、基数词101~999,先说“几百”,再加ａnd,再加末尾两位数或末位数,基数词三位以上得数词,在百位与十位之间,一般要加连词“and”。

４、英语中没有“万”和“亿”,万也用ｔhouｓanｄ来表示,亿也用milliｏｎ来表示,按十进位来推算。

如:1００00 ten thousaｎd 10００00000 ａ hｕnｄred million６7８７6 sixtｙ-ｓeｖeｎ tｈousａnd ｅｉght ｈundrｅd aｎｄ sｅvｅntｙ-six5、在ｄｏｚen,sｃoｒe,hｕndred,millioｎ,bilｌion前如果有具体数字,她们不能加“s”;反之则须加“s”表示不确切得数量。

语法专项突破专题四 数词数字 基数词形式例词 0～12 各自独立zero 0；one 1；nine 9；twelve 12 13～19 3～9＋重读teen 结尾 特殊：thirteen 13；fifteen 15；eighteen 18一般：fourteen 14；sixteen 1620～90整位数 以ty 结尾 twenty 20；thirty 30；forty 40；fifty 50；eighty 80两位数（几十几） 整位数­个位数 thirty ­five 35三位数（几百几）...hundred ＋and ＋两位数 six hundred and sixty­six 666 多位数 从右向左数起，每隔三位数加一个逗号，依次读作thousand （千）、million （百万）、billion （十亿），逗号中间按三位数读 89,696,787,656eighty­nine billion，six hundredand ninety­six million，seven hundred and eighty­seventhousand，six hundred andfifty­six数字 序数词变化规则 例词1、2、3 不规则变化 first ，second ，third4～19 基数词尾加th 特殊：fifth 第五；eighth 第八；ninth 第九；twelfth 第十二；一般：fourth 第四；nineteenth 第十九20～90整位数 ty 变为tie 再加thtwenty→twentieth；ninety→ninetieth 两位数或多位数（整数除外） 只变个位数（hundred ，thousand 等只在词尾加th ）twenty­third 第23；one hundred and fifty­ninth 第159；hundredth 第100时省略the 。

中考/备考辅导2017年中考英语语法大全：数词数词定义：表示数目多少或顺序多少的词叫数词，数词分为基数词和序数词。

表示数目多少的数词叫基数词;表示顺序的数词叫序数词。

I基数词1.基数词的构成(1)1-20one,two,three,four,five,six,seven,eight,nine,ten,el even,twelve,thirteen,fourteen,fifteen, sixteen, seventeen, eighteen, nineteen, twenty(2)21-99 先说“几十”，再说“几”，中间加连字符。

23→twenty-three,34→thirty-four,45→forty—five,56→fifty-six,67→sixty-seven,78→seventy-eight,89→eighty-nine,91→ninety-one(3)101—999先说“几百”，再加and,再加末两位数或末位数;586→five hundred and eighty-six,803→eight hundred and three(4)l,000以上,先从右往左数，每三位数加一个“,”,第一个“,”前为thousand.第二个“,”前为million,第三个“,”前为billion(美式)或thousand ,million(英式),然后一节一节地表示。

1,001→one thousand and one9,785→nine thousand, seven hundred and eighty-five18,423→eighteen thousand, four hundred and twenty-three6,260,309→six million two hundred and sixty thousand three hundred and nine750,000,000,000→seven hundred and fifty, billion(美式) seven hundred and fifty thousand million(英式)2.基数词的用法(1)作主语eg.Four Of them come from Paris.(2)作宾语eg.一 How many books would you like?一I would like two.(3)作表语eg.Seven minus two is five.(4)作定语eg.There are three people in my family•(5)作同位语eg. You two will go swimming with us.(6)表具体数字时,hundred, thousand ,million用单数。

专题四数词1. 定义：表示数目多少或顺序多少的词叫数词2. 分类：基数词：表示数目多少的数词序数词：表示顺序的数词3. 思维导图：数词分类基数词序数词用法表示时刻表示计量表示加减乘除运算表示分数；百分数；小数；倍数表示“年，月，日；世纪；年代”表示年龄表示编号表示”每（隔）..."表示数目位置1.基数词基数词的构成特点l-12是独立的单词，需逐个记忆；13-19在个位数词的词后＋teen20-90的整十的复数以ty结尾；百是hundred，千是thousand，百万million，十亿billion 基数词22—99(除去整十数)是在十位数词后面加上个位数词构成，中间要用连字符“-”连接。

Eg. twenty-two, ninety-nine100以上多位数的写法：百位数＋hundred＋and ＋十位数-个位数＋million(,) ＋百位数＋hundred＋and ＋十位数-个位数＋thousand(,)＋百位数＋hundred＋and ＋十位数-个位数Eg. three hundred and sixty-five 365two hundred and six 206英语中没有“万”和“亿”，在表示“万”和“亿”时要按十进位法来推算。

10, 000 ten thousand100, 000, 000 one hundred millionb.读法：从后往前数，每隔三位加一个逗号；第一个逗号前读thousand，第二个逗号前读million；第三个逗号前读billion。

Eg. 1,365,123,408读作：One billion, three hundred and sixty-five million, one hundred and twenty-three thousand，four hundred and eight.c. 表示具体、准确的数目时数词＋hundred, thousand, millionEg. five hundred, six thousand, seven million等。

2017年中考英语复习之数词1.基数词和序数词的变化①基数词变序数词遵循下列原则:a.序数词在相应的基数词词尾加th;b.整十数的序数词是先将y 变为i,再加eth;c.两位或两位以上的基数词变为序数词时，仅将个位变为序数词即可。

②基数词变序数词口诀:基变序,有规律,末尾加上th;一二三，特殊记，八加h,九去e,ve要用f③基数词20~90是在十位数词后面加-ty构成.基数词21~99是在十位数词后面加上个位数词构成,中间加上连字符“-”.④三位数：基数词+hundred and＋末尾两位数⑤多位数从右向左每隔三位数加一个逗号，依次是thousand,million,billion。

10，000可写成ten thousand，100,000,000可写成a hundred million，35,845可写成thirty-five thousand eight hundred and forty-five2.基数词和序数词的用法a.序数词前通常用定冠词the;b.序数词前若有限定词，则不在加the;c.序数词若出现不定冠词a/an,则表示又一，再一，内含顺序性。

We’ll go over it a second time. We’ve tired it three times.Must we try it a fourth time?d.of the +基数词，表示范围。

She is the most beautiful girl of the three. Jim is the taller of the two.3.年龄、长、宽、高等的表示方法:基数词+量词（meter/kilometer/kilo/year）+形容词（long/wide/deep/old）4.分数的表达:分子用基数词,分母用序数词；若分子大于1,分母要加s。

a.三又四分之二three and two fourthsa.年份表达为“月日，年”，月要大写，日要用序数词，年要用基数词。

2017年中考英语数词知识点总结2017年中考英语数词知识点总结数词是中考必考的一个语法点，主要分为基数词和序数词两类。

基数词表示数目的词，分为以下几种形式：1.1-10：one，two，three，four，five，six，seven，eight，nine，ten.2.11-19：除了___，twelve，___，fifteen，eighteen外，其他数字都是由个位数形式后添加后缀-___构成。

3.21-99：enty，thirty。

forty，fifty，eighty外，其他数字都是由个位数形式后添加后缀-ty构成。

表示几十几时，在几十和个位基数词形式之间添加连字符“-”例如：___-one。

___-six4.百位数：1-9基数词形式加“hundred”，表示几百，在几十几与百位间加上and.例如：a hundred and one。

___。

six hundred and forty-eight5.千位数以上：从数字的右端向左端数起，每三位数加一个逗号“，”。

从右开始，第一个“，”前的数字后添加thousand，第二个“，”n，第三个“，”前的数字后添加___。

然后一节一节分别表示，两个逗号之间最大的数为百位数形式。

例如：two thousand six hundred and forty-eight。

___-four。

five n，two hundred and thirty-seven n，one hundred and sixty-six thousand，two ___-four。

序数词表示顺序的词，一般在基数词后加上后缀-th构成。

例如：the first。

the second。

the third。

the fourth。

the fifth。

the sixth。

the seventh。

___。

___。

___.There are four hundred boys in the school。

第4讲数词基数词的构成和用法( )1.—How many hours do you sleep every night?—About ________ hours.From 9：00 p．m.to 6：00 a．m.(2016年济南)A．nine B．nineteen C．ninth D．ninety( )2.The workers will complete the new bridge in ________.(2016年郴州) A．two and a half monthsB．two months and halfC．two and a half month( )3.________ Kobe's fans watched his final match and ________ of them were men.(2016年乌鲁木齐)A．Million of; three fourths B．Three millions; third fourC．Millions of; three fourths D．Three million; third fours( )4.—The 15th Chinese Bridge­Chinese Proficiency Competition will be held this year！(2016年黄冈)—That's great! ________ foreign college students are interested in Chinese learning.A．Hundred of B．Thousands C．Hundred D．Thousands of序数词的构成和用法( )5.—Mum, the beautiful card I made last night is just for your ________ birthday.(2016年泰安)—Oh, thank you, my dear!A．forty B．fourteen C．fortieth D．fourth( )6.July 1st of this year is the ________ birthday of the CPC (中国共产党)．(2016年白银)A．ninety­five B．ninetieth­fifthC．ninetieth­five D．ninety­fifth( )1.—What does the model plane look like?—Well, the length of its wings is ________ of its body.A．more than twice the length B．twice more thanC．more than twice that D．twice the length( )2.The government of Kunming is building ________ cheap and good houses for the people.A．thousand B．thousandsC．thousand of D．thousands of( )3.—I hear your pen friend is visiting Guangzhou again.Is it the ________ time for him?—Yes，and he will come for a third time next spring.A．first B．second C．third D．fourth( )4.—What should we do now, Mr.Clark?—Please turn to Page ________ and look at the ________ picture.A．Twelve; fifth B．Twelfth; fifth C．Twelve; five D．Twelfth; five( )5.The old man began to learn to drive a car at the age of ________.A．sixty B．the sixtieth C．six years old D．sixties( )6.—How old is your daughter?—________.We had a surprise party for her________ birthday last Saturday.A．Twelve; twelfth B．Twelfth; twelveC．Twelve; twelve D．Twelfth; twelfth( )7.You can see ________ stars if you go out at night.A．million B．thousand of C．hundreds D．millions of ( )8.About ________ students in our class can describe that place in English.A．three­fifths B．three­fifth C．third­five D．third­fifths( )9.Nine ________ pounds a week? That's very good.A．hundred of B．hundreds of C．hundreds D．hundred( )10.Shakespeare was born in ________.A．1660s B．1660's C．the 1660 D．the 1660's( )11.Bill said they were going to have ________ holiday.A．a two­week's B．a two­week C．two weeks' D．two weeks( )12.My father left home at about ________.A．six thirty B．thirty six C．thirty to six D．six past thirty( )13.—Where are the students?—Are they in________？A．the Room 406 B．Room 406 C．the 406 Room D．406 Room( )14.—Which is the smallest number of the four?—________.A．A half B．A quarter C．Two­thirds D．Three­fourths( )15.—Can you write the number eighty­five thousand, six hundred and twenty­six?—Yes, it is ________.A．85,662 B．58,662 C．85,626 D．58,626( )16.Dick, it is the ________ time in ________ days that you've made the same mistake.A．two; three B．second; threeC．two; third D．second; third( )17.He wrote his ________ novel when he was ________.A．five; fifties B．fifth; fiftyC．fifth; fiftieth D．five; fiftieth( )18.—How long will you stay there?—For________.A．one and two days B．one and two dayC．one or two day D．a day or two( )19.We all think that the ________century will bring us more hopes.A．twenty­first B．twentieth­firstC．twenty­one D．twentieth­one( )20.—What's the date today?—It's________.A．Saturday B．June C．June 1st D．June 2st( )21.Our school is ________ theirs.We all like it very much.A．twice as big as B．two as big asC．second as big as D．twice as bigger as( )22.There are ________ people in my family.We live on the ________ floor in a tall building.A．five; six B．fifth; sixth C．fifth; six D．five; sixth( )23.—Have you ever been to Lijiang before?—Yes, it's such a wonderful place that ________ tourists come here for a visit every day.A．thousand B．thousand of C．thousands D．thousands of( )24.About ________ of the students in our class were born in the ________.A．three five; 2000s B．three fifths; 2000s C．third five; 1990s D．three fifths; 1990s( )25.The ________ World Cups have been held successfully.We are watching the wonderful ________ World Cup now.A．nineteenth; twenty B．nineteenth; twentiethC．nineteen; the twentieth D．nineteen; twentieth( )26.—Where is Grade ________？—It's on the ________ floor.A．Eight; two B．Eighth; two C．Eight; second D．Eighth; second( )27.—Where is the picture in the VCR?—Turn to Page ________ and look at the ________ picture.You can see it.A．Twenty; twelve B．Twenty; twelfthC．Twentieth; twelve D．Twentieth; twelfth( )28.In the ________ century, there were a lot of famous writers in the western countries.A．eight B．twelve C．eighteenth D．eighteen( )29.The ________ Olympic Games will be held in Rio de Janeiro, Brazil on August ________， 2016.A．thirty­one; five B．thirty­first; fifth C．thirty­first; five D．thirty­one; fifth( )30.It's said that ________ of the mountain is covered with trees.A．three four B．three fourth C．three fourths D．third fourths第4讲核心·考点集训1—5 AACDC 6.D演练·巩固提升1—5 CDBAA 6—10 ADADD 11—15 BABBC16—20 BBDAC 21—25 ADDBD 26—30 CBCBC。

专题四数词Ⅰ.根据句意, 用括号内所给单词的适当形式填空1.［2017淮安］Peter got a model ship from his uncle on his _______(ten) birthday.2.［2017白银］The boy got the _______(one) place in the singing competition.3.Today is Mary’s _______（twelve）birthday. We will go to her birthday party.4.We all know that Lesson Nine means the _______ (nine) lesson.5.The palace was built in the _______（fifteen）century. It looks old but special.Ⅱ.语法与情景对话1.［2017龙东地区］_______ of the students in our class_______ going to the summer camp in Beijing next week.A. Two fifths; areB. Second fifths; areC. Two fifths; isD. Two fifth; is2.［2017广东］Two months ago, China tested its_______ aircraft（航空母舰）built completely on its own.A. oneB. firstC. the oneD. the first3.［2017青岛改编］My father gave me a bike on my_______ birthday.A. elevenB. an elevenC. the eleventhD. eleventh4.［2017重庆A卷］Today is Jack’s birthday. He is_______ years old.A. fourteenthB. fourteenC. the fourteenthD. the fourteen5.—A recent survey shows that 35 out of 45 students in my class will save their phones first in a fire.—About_______ of the students made such a choice? Life is far more important, isn’t it?A. halfB. one thirdC. two thirdsD. three quarters6.There are _______ visitors in the famous city every year.A. a thousand ofB. thousand ofC. three thousands ofD. thousands of7.There are_______ days in March and the_______ day is Women’s Day.A. thirty-one；eighthB. thirty-first；eighthC. thirty-one；eightD. thirty-first；eight8.The students in this school plant_______ trees every year.A. hundreds ofB. five hundreds ofC. five hundred ofD. hundred of9.—How was your weekend?—Great! It was my grandfather’s_______ birthday. We enjoyed ourselves.A. seventyB. seventiethC. the seventiethD. seventeenth10.Tony’s mom looks young and beautiful. It’s hard to imagine she is already in her_______ .A. fiftiesB. fiftyC. fiftiethsD. fiftieth11.—This is the time in_______ days you’ve been late.—I’m sorry about it.A. fourth; fourB. four; fourC. four; fourthD. fourth; fourth12.This is Mr. White’s_______ visit to Beijing. He has been there twice.A. thirdB. fourthC. fifthD. sixth13. Meimei is going to be an older sister. Her parents are planning to have their_______ child.A. oneB. twoC. firstD. second14.Please turn to page and take a look at the picture on it.A. the eightiethB. eightiethC. eightiesD. eightyⅠ.根据句意, 用括号内所给单词的适当形式填空Ⅰ.根据句意, 用括号内所给单词的适当形式填空1.tenth【解析】句意为：彼得在他十岁生日的时候从他叔叔那里得到一个轮船模型。

2017中考英语知识点总结：数词数词是中考必考的一具语法点，基数词，序数词，分数一、数词的分类数词要紧分为基数词和序数词两类。

1. 基数词表示数目的词称为基数词。

其形式如下：A．从1——10： one，two，three，four，five，six，seven，eight，nine，ten．B. 从11-19： eleven，twelve，thirteen， fourteen， fifteen，sixteen， seventeen，eighteen， nineteen．这个地方除 eleven， twelve， thirteen， fifteen， eighteen 为特别形式外，fourteen，sixteen，seventeen，nineteen基本上由其个位数形式后添加后缀-teen构成。

C．从 21——99：整数几十中除twenty，thirty, forty，fifty，eighty为特别形式外，sixty，seventy，ninety基本上其个位数形式后添加后缀-ty构成。

表示几十几时，在几十和个位基数词形式之间添加连字符“-”①21 twenty-one ② 76 seventy-sixD．百位数：1-9基数词形式加“hundred”，表示几百，在几十几与百位间加上and．101 a hundred and one 320 three hundred and twenty 648 six hundred and forty-eightE．千位数以上：从数字的右端向左端数起，每三位数加一具逗号“，”。

从右开始，第一具“，”前的数字后添加 thousand，第二个“，”前面的数字后添加 million，第三个“，”前的数字后添加billion。

然后一节一节分不表示，两个逗号之间最大的数为百位数形式。

①2,648 two thousand six hundred and forty-eight。