专题18 数词-备战2025年中考英语语法专项突破与提升训练

专题18 数词 一、基数词 1-12 单独记 one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve 13-19 -teen 结尾 thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen 整十数 -ty 结尾 twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety 非整十数 十位数-个位数 21 twenty-one 100以上 百位数 and 十位数-个位数 333 three hundred and thirty-three 一百万 a million 十亿 a billion （一）用法 （1）表示数量 ①与hundred，million，billion连用，表示准确的数量，数量单位没有s！ five hundred trees 五百棵树 ②表达不准确的数量，则用[...s+of]结构 常见搭配：hundreds of 数以百计 thousands of 数以千计 millions of 数以百万计 billions of数以十亿计 dozens of 几十个 hundreds of trees 数以百计的树 dozens of students 几十个学生 【TIPS】：有具体数字，啥都没有；没数字，即有s也有of （2）表示年代 表示在某个年代，前要用定冠词，年代的数词要词尾＋s 在19世纪20年代：in the 1820s 在20世纪80年代：in the 1980s （3）基数词可以和名词搭配做定语，修饰名词。中间需要有连字符，并且中间名词要单数。 一个3天的旅行：a three-day travel 一个5分钟的路程 a five-minute walk （4）基数词可用来描述长宽高 基数词＋单位词（meter，foot，inch，kilogram）＋形容词（long，wide，high，tall） two meters long 2米长 three meters tall 3 米高 （5）基数词和another连用，表示“又……，再……” Another three days passed. 又三天过去了。 （6）表示倍数 一倍：once 两倍：twice／double 三倍及以上：“基数词＋times” ①“倍数＋比较级＋than” The room is twice larger than ours. 这间房子比我们的大两倍。 （7）表示顺序 名词（首字母大写）＋基数词 Page 34 第34页 Unit Six 第六单元 （8）表示年龄 ①表达确切的年龄 --基数词＋years old／at the age of 基数词 I am 18 years old．我18岁。=I am at the age of 18. ②不确切的年龄 --in one’s 整十基数词的复数 在某人...岁时 She can still swim fast in her seventies．在她70多岁，还可以游得很快。 即时演练A 1. It is five years since we began to enjoy a spring holiday each year. A.seven day B.seven days C.seven-day D.seven-days 2.The winner was a boy from China. A.19-years-old B.19-year-old C.19-year-olds D.19 years old 3. people in the world are sending information by e-mail every day. A.several millions B.Many millions C.A millions D.Millions of 4.Basketball is so exciting that people play it for fun. A.million B.two millions C.million of D.millions of 5.He was only in at that time. A.his 20's B.the 20's C.his twenties D.the twenties 6.The story happened . A.in 1970's B.in his 70's C.in 70's D. in the 1970's 7.You can find him in . A. Room 201 B.201 Room C.the Room 201 D.the 201 Room 二、序数词 序数词用于表示顺序。 （一）构成 1,2,3 特殊记 first,second,third 4-19 +th（五八九十二特殊变） fourth,fifth,sixth,seventh,eighth ninth,tenth,eleventh,twelfth,... 整十的 y改i＋eth twentieth,thirtieth 非整十的 只变个位数 twenty-first （二）用法 1．表示顺序，表示为“第几”，前要有定冠词 the the first month 第一个月 the second time 第二次 【注意】序数词前有形容词性物主代词或名词所有格修饰，不用 the Marry is her second child. Mary是她第二个孩子。 This is Lucy’s third time to try it. 这是Lucy 第三次尝试了。 2．a／an＋序数词，表示“又一，再一” a second try 再一次尝试 3．表达世纪 --the＋序数词＋century 21世纪 the 21st century 22世纪 the 22nd century 4．表达日期 ---月/日/年 或者 日/月/年 或者 the 日期 of 月份 日期用序数词，the可有可无，序数词后的缩写有时候可以不用 年份用基数词 2023年1月1日 Jan 1(st) 2023 或者 Jan the 1st 2023 或者 the 1st of January 5．分数的表达 英语中分数的表达和中文相反，先说分子，再说分母，从上往下说。 分子用基数词，分母用序数词【分子基，分母序】 分子大于1，分母＋s 三分之一 one third 四分之三 three fourths 【注意】部分分数的常用表达 二分之一 a／one half 四分之一 a quarter 四分之三 three quarters 即时演练B 1.It is said that of the water all over the world polluted. A.two-three;is B.two-thirds;is C.two-thirds;are D.two-thirds;has 2.About of the students in Grade Seven this year were born in . A.third fifths;1990s B.three fifths; the 1990s C.three fifths; 1990s D.third fifths;the 1990s 3.There are days in a week and Tuesday is_day of the week. A.seven;third B.seven;the third C.seventh;three D.the seventh;three 4.On her birthday,she got an iPad as a gift from her father. A.twelve B.the twelve C.twelfth D.the twelfth 5. In order to find a better job, he decided to study second language. (a/an/the) 综合练习 1. people came to Guangzhou for a visit during holidays. A.thousand B.thousands of C.five thousands D.five thousands of 2.---Have you seen workers pass by? ---Yes, I've seen them. A. woman;hundreds of B.women;hundreds of C. woman;two hundred of. D.women;hundreds 3.There are people in Dales' family. They live on the floor. A.five;nine B.fifth;nine C.five;ninth D.fifth;ninth 4.He has books. A.two dozens B.dozen of C.dozens of D.two dozens of 5.She lives in . A.Room 512 B.512 Room C.the 512 Room D.the Room 512 6.Having done three experiments without rest, they were so worn out to go on with one. A.a fourth B.the fourth C.fourth D.a four 7.She is now. A.in 50 years old B.in her fifties C.in fifty years D.in the fifty 8. Summer Olympics was held in Barcelona in Spain. A.The Twenty-four B.Twenty-four C.The Twenty-fourth D.Twenty-fourth 9.This is the book I have read. A.nineth B.nineteen C.ninth D.ninetieth 10.The Second World War broke out in . A.1930's B.the 1930es C.the 1930s D.1930s 11.Tomorrow is his birthday. A.seventh B.seven C.seventeen D.the seventh 12.Hainan is island. A. China's second largest B.the China's second largest C.the second China's largest D.China's the second largest 13.September is month of the year. A.ninth B.nine C.the nine D.the ninth 14.---What date is it? --It's . A.July twentieth-first B. of July twenty-first C. the twenty-first of July D. the twentieth-first of July 15.He has just finished writing a article. A.nine-hundred-words B.nine-hundreds-word C.nine-hundred-word D.nine-hundreds-words 16.“Please turn to and look at the text.” A.Page 29 B.the page 29 C.a page 29 D.29 page 17.After the riding, we have covered of the whole distance. A.four-hour;three-fourths B.four-hours;three-fourth C.four-hour;three-fourth D.four-hours; three-fourthes 18.---Which is the biggest number of the four? --- . A.One-third B.Two-thirds C.A half D.A quarter 19.About_of the students in our class were born in A.two-thirds;the 1990s B.two-thirds;the 1990 C.two-third;1990s D.two-third;the 1990 20.When she was in , she got married. A.her twentieth B.her twenties C.the twenties D.the twentieth 21.---Has Mary been back? ---Not yet. She will come back the evening of June . A.at;first B.to;thirtieth C.on;twelfth D.on;the nineteen 22.Now, please turn to Page_ and look at the picture. A.Fifth;five B.Five;fifth C.Fifth;fifth D.Five;five 23."I want to jump!" A girl cried in the hospital. A.5-year old B.5-years-olds C.5 year old D.5-year-old. 24.---How amazing the noodle is! ---Yes, it is . A.1.704-meter-long B.1.704-meters-long C.1.704 meter long D.1.704 meters long 答案 即时演练A 1-5 CBDDC 6-7 DA 即时演练B 1-4 BBBC 5.a 综合练习 1-5BBCCA 6-10ABCCC 11-15AADCC 16-20AABAB 21-24 CBDD 原创精品资源学科网独家享有版权，侵权必究！1 学科网（北京）股份有限公司 $$