数词专项练习题2026-2027学年人教版英语七年级上册

**基本信息** 以“基础-转换-辨析”三级进阶为框架，通过表格化规则提炼与情境化错题分析，系统构建数词用法知识网络，强化语言应用能力与逻辑辨析思维。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |基础单选|20题（基数词/序数词基本用法）|“基数表数量/序数表顺序”核心规则|概念认知→规则记忆| |句型转换|18题（基数词变序数词/同义转换）|转换规则+同义替换技巧（如分数“数词+out of”）|规则应用→句式转换| |易混语境辨析|17题（基数序数/分数/概数语境辨析）|语境分析法+易混点对比（如hundred有无s/of）|情境迁移→综合运用|

2026年暑假初中英语数词专项练习题 第一类：基础单选（基数词、序数词、基本用法）共 20 题 1. There are _______ students in our grade. A. three hundreds B. three hundred C. three hundreds of D. hundred of 2. June is the _______ month of a year. A. six B. sixth C. sixteen D. sixty 3. My brother is _______ years old, and today is his _______ birthday. A. twelve; twelve B. twelfth; twelve C. twelve; twelfth D. twelfth; twelfth 4. _______ of the books in our library are new. A. Four fifth B. Four fifths C. Fourth five D. Fourth fifths 5. We will have a sports meeting on the _______ of September. A. twenty-one B. twenty first C. twenty-first D. twentieth-one 6. _______ people took part in the city running race last weekend. A. Hundred of B. Hundreds of C. Two hundreds D. Two hundred of 7. There are _______ days in a common year. A. three hundred and sixty-five B. three hundreds and sixty-five C. three hundred sixty five D. three hundred and sixty five 8. He got the _______ place in the English singing competition. A. five B. fifth C. fives D. fifty 9. My home is on the _______ floor of this building. A. nine B. nineteen C. ninth D. ninety 10. _______ students in our class are girls. A. Two third B. Two thirds C. Second third D. Second thirds 11. The bridge is about _______ meters long. A. eight hundred B. eight hundreds C. eight hundred of D. eight hundreds of 12. Sunday is the _______ day of a week. A. one B. first C. once D. oneth 13. There are _______ months in a year, and December is the _______ one. A. twelve; twelve B. twelfth; twelve C. twelve; twelfth D. twelfth; twelfth 14. Over _______ volunteers came to help clean the park. A. two thousand B. two thousands C. two thousand of D. two thousands of 15. This is her _______ trip to Beijing, she loves the city very much. A. three B. third C. thirteen D. thirty 16. _______ of the water has been used up. A. One second B. One seconds C. Two second D. Two seconds 17. Our school has a history of more than _______ years. A. fifty B. fiftieth C. fifties D. fiftyth 18. —What time is it? —It’s _______ (8:15). A. eight fifteen B. fifteen eight C. a quarter to eight D. eight and fifteen 19. He was born on _______ . A. 2020, June 2nd B. June 2nd, 2020 C. 2nd June, 2020s D. June 2, 2020 year 20. _______ trees have been planted in our village these years. A. Thousands of B. Thousand of C. Three thousands D. Three thousand of 第二类：句型转换（同义句、改序数词、分数表达）共 18 题 （一）基数词变序数词（6 题） 1. one (序数词) __________ 2. two (序数词) __________ 3. three (序数词) __________ 4. five (序数词) __________ 5. eight (序数词) __________ 6. twelve (序数词) __________ （二）改为同义句（数字句式转换）（6 题） 1. It’s eight forty-five now. (换一种时间表达) 2. He is nine years old. Today is his ninth birthday. 3. There are hundreds of books in the library. (改写) 4. Two fifths of the students like playing basketball. 5. The building has twenty floors. He lives on the twentieth floor. 6. It’s a quarter past ten. (换一种时间表达) （三）对划线部分提问（6 题） 1. There are forty-five students in our class. 2. Tom’s birthday is on July 5th. 3. He spends two hours reading books every day. 4. Three fifths of the apples are red. 5. This road is one thousand meters long. 6. Lucy is twelve years old. 第三类：易混语境辨析（基数/序数、分数、概数、时间日期）共 17 题 1. —How many teachers are there in your school? —About _______ . A. two hundred B. two hundreds C. hundred of D. two hundred of 2. My mother’s birthday is on the _______ of March. A. twenty-three B. twenty-third C. twentieth-three D. twenty threes 3. _______ is the hardest lesson in this unit. A. Lesson Fifth B. The five lesson C. The fifth lesson D. Five lesson 4. _______ of the land in this area is covered with trees. A. Three fourth B. Three fourths C. Third fourths D. Third fourth 5. There are _______ people in the big hall, it’s very crowded. A. hundred of B. hundreds of C. five hundreds D. five hundred of 6. He finished _______ in the running race, so he got a silver medal. A. two B. second C. the second D. secondly 7. I have learned English for _______ years. A. five and half B. five and a half C. five half D. half five 8. —What’s the date today? —It’s _______ . A. July 12nd B. July 12th C. 12 July D. twelve July 9. _______ children came to the weekend party last Saturday. A. Ninety B. Nineties C. Ninety’s D. Ninetieth 10. This story book has _______ pages, I finished it on the _______ day. A. fifty; fifty B. fifty; fiftieth C. fiftieth; fifty D. fiftieth; fiftieth 11. It’s _______ , we must go home now. A. ten past forty B. forty past ten C. ten forty D. forty ten 12. _______ students in our class have joined the music club. A. One third B. One thirds C. First three D. First third 13. My grandpa is _______ , but he still exercises every morning. A. in his sixty B. in his sixties C. in sixties D. sixty years 14. The _______ month of the year is December. A. twelve B. twelfth C. twelveth D. twenties 15. We have _______ lessons every day, including four in the morning. A. eight B. eighth C. eighteen D. eighteenth 16. _______ visitors come to the museum every holiday. A. Thousand of B. Thousands of C. Two thousands D. Two thousand of 17. He is the _______ student to win the prize in our school this term. A. nine B. nineteen C. ninth D. ninety 参考答案 + 详细解析 第一类：基础单选（20 题） 1. B 解析：具体数字+hundred/thousand/million，后面不加s、不加of；模糊数才用 hundreds of。 2. B 解析：句意“六月是一年的第六个月”，表顺序用序数词 sixth。 3. C 解析：年龄用基数词，生日用序数词，twelve 基数词，twelfth 序数词。 4. B 解析：分数表达：分子基数、分母序数；分子大于1，分母加s，four fifths 五分之四。 5. C 解析：日期日用序数词，二十几序数词规范写法：twenty-first，中间必须加连字符。 6. B 解析：无具体数字，表“数百的”模糊概数，用 hundreds of。 7. A 解析：数字读法百位和十位间加 and，数位不加s，three hundred and sixty-five。 8. B 解析：the+序数词+place 表示“第几名”，fifth 第五。 9. C 解析：on the+序数词+floor 固定搭配，表示“在第几层楼”。 10. B 解析：三分之二，分子大于1，分母用复数 thirds，two thirds。 11. A 解析：具体数字 eight 后 hundred 用原形，不加s、不加of。 12. B 解析：句意“周日是一周的第一天”，表顺序用序数词 first。 13. C 解析：多少个月用基数词，第几月用序数词，twelve 基数，twelfth 序数。 14. A 解析：具体数字 two 修饰 thousand，用原形。 15. B 解析：her+序数词+trip 表示“第几次旅行”，third 第三次。 16. A 解析：二分之一固定表达 one second，分子为1分母不加s。 17. A 解析：more than+基数词+years 表年龄/年限，fifty 五十。 18. A 解析：8:15 标准读法 eight fifteen / a quarter past eight。 19. B 解析：英文日期格式：月份+日期序数词+年份，June 2nd, 2020。 20. A 解析：模糊概数数千计的，用 thousands of，不加具体数字。 第二类：句型转换（18 题） （一）基数词变序数词 1. first 2. second 3. third 4. fifth 5. eighth 6. twelfth （二）改为同义句 1. It’s a quarter to nine now. 解析：eight forty-five = a quarter to nine 八点四十五。 2. Today is his ninth birthday and he is nine years old. 3. There are many hundreds of books in the school library. 4. Two out of five students like playing basketball. 解析：分数同义替换：数词+out of+数词。 5. He lives on the twentieth floor of the twenty-floor building. 6. It’s ten fifteen now. 解析：a quarter past ten = ten fifteen 十点十五。 （三）对划线部分提问 1. How many students are there in your class? 解析：可数数量提问用 How many。 2. When is Tom’s birthday? 解析：提问具体日期、时间用 When。 3. How long does he spend reading books every day? 解析：提问时间段用 How long。 4. What fraction of the apples are red? 解析：提问分数占比用 What fraction。 5. How long is this road? 解析：提问物体长度用 How long。 6. How old is Lucy? 解析：提问年龄固定用 How old。 第三类：易混语境辨析（17 题） 1. A 解析：具体数字 two 后 hundred 用原形，无s无of。 2. B 解析：23号序数词规范写法 twenty-third。 3. C 解析：序数词前置、加the，the fifth lesson = Lesson Five。 4. B 解析：四分之三，分子大于1，分母加s，three fourths。 5. B 解析：模糊概数，hundreds of 数百的。 6. B 解析：表名次直接用序数词 second，不加the。 7. B 解析：五年半固定搭配 five and a half years。 8. B 解析：日期后缀1用st、2用nd、3用rd、其余用th，12th正确。 9. A 解析：基数词表数量，ninety children 九十个孩子。 10. B 解析：页数用基数词，第几天用序数词。 11. C 解析：时间顺读法：小时+分钟，ten forty 十点四十。 12. A 解析：三分之一 one third，分子为1分母不加s。 13. B 解析：in one’s+整十复数，表示“某人几十多岁”，in his sixties 六十多岁。 14. B 解析：第十二 twelfth，为特殊不规则序数词。 15. A 解析：每天八节课，表数量用基数词 eight。 16. B 解析：无具体数字，thousands of 数千的。 17. C 解析：the+序数词表次序，the ninth student 第九个学生。 语法知识复习 表格一：基数词 & 序数词核心结构 类别 用法 关键词搭配 例句 基数词 表数量、年龄、时长、具体数字 how many / how old / 具体年份、数量 three pens, ten years old 序数词 表顺序、第几、日期、楼层、名次 the / one’s + 序数词 the first floor, his fifth birthday 表格二：数词必考变形规则 规则分类 变化方法 例词 一般规则 基数词+th four→fourth, six→sixth 特殊不规则 单独记忆 one→first, two→second, three→third, five→fifth, eight→eighth, twelve→twelfth 整十数变化 变y为ie+th twenty→twentieth, ninety→ninetieth 几十几 只变个位 twenty-one→twenty-first 表格三：分数、概数、时间高频考点 考点 核心规则 正确/错误示范 分数表达 分子基、分母序，分子>1分母加s ✅ two thirds ❌ two third 确切数字 数字+hundred/thousand 无s无of ✅ three hundred ❌ three hundreds of 模糊概数 hundreds/thousands of 加s加of，无数字 ✅ hundreds of people ❌ hundred of people 年龄复数 in one’s + 整十复数 ✅ in his fifties ❌ in his fifty 时间读法 ≤30分用past，＞30分用to 10:20 ten past ten / 10:40 twenty to eleven 高频易混考点总结 1. 一秒区分基数/序数：数量用基数，顺序用序数 2. hundred/thousand 死规则：有数字无s无of，无数字有s有of 3. 分数主谓一致：分数+名词作主语，谓语单复数跟随后面名词 4. 日期固定格式：月份+序数词+年份，日用序数词。 学科网（北京）股份有限公司 $