数词课件2026——2027学年一轮复习

该高中英语高考复习课件聚焦数词专题，覆盖基数词、序数词、倍数表达法等核心考点，依据高考评价体系梳理考查要求，通过典例分析明确倍数结构、分数主谓一致等高频考点，归纳语法填空等常考题型，体现备考针对性。 课件亮点在于“用法总结+真题式典例+综合训练”，如通过倍数表达法三种结构转换、分数分子分母单复数规则等实例，培养学生语言能力和思维品质，帮助掌握答题技巧，教师可据此高效组织复习，助力学生高考冲刺。

数词 Contents 目录 1 基数词的用法 2 序数词的用法 3 倍数表达法 4 分数与百分数表达法 5 数词特殊用法 6 综合练习 基数词的用法 — 用法总结 数词专题 规则 示例 基数词表示数量 two students两个学生 表示序号 Room One一号房间 hundred/thousand/million/billion前有具体数目时，不加-s three hundred people 三百人 表不确定数目时，常用复数形式且与of连用 hundreds of people 几百人 scores/dozens of people 许多人 "基数词+单数名词" 构成复合形容词 a ten-minute walk 十分钟的步行路程 "基数词+复数名词所有格" 构成复合形容词 ten minutes' walk 十分钟的步行路程 基数词的复数形式表示年代 in the 1990s 在20世纪90年代 基数词的复数形式表示年龄 in one's thirties 在某人三十多岁时 基数词的用法 — 典例练习 数词专题 例1. He moved to Germany in the ________ (1950), he was already in his ________(sixty). 【答案】1950s; sixties 在20世纪50年代用in the 1950s；六十多岁用in one's sixties。 例2. We need ________ (dozen) of eggs for the party. 【答案】dozens 表示不确定数目"几十个"，用dozens of。 例3. It's a ________(three-week) holiday, also expressed as three ________(week) holiday. 【答案】three-week; weeks' "基数词+单数名词"为a three-week holiday；"基数词+复数名词所有格"为three weeks' holiday。 例4.Fables were part of the oral tradition, and the well-known Aesop's fables date to the ________(six) century BC. 【答案】sixth 公元前六世纪用序数词sixth。 序数词的用法 — 用法总结 数词专题 规则 示例 1-3特殊变化 first/second/third 4-19+-th构成 特殊变化 fifth 5th, eighth 8th, ninth 9th, twelfth 12th 整十数的词变-y为-i再加-eth twentieth 20th, thirtieth 30th, fortieth 40th 十位数含1-9个位时，十位用基数词个位用序数词，中间有连字符 twenty-first 21st, thirty-second 32nd 编号表达: the+序数词+名词 the first lesson 第一课 编号表达: a+序数词+名词(再一/又一) a third time 再一次 序数词表示顺序，后加名词单数，序数词前一般加the the first longest river第一长河 序数词的用法 — 基数词与序数词对照表 数词专题 基数词 序数词 基数词 序数词 one first eleven eleventh two second twelve twelfth three third thirteen thirteenth four fourth twenty twentieth five fifth thirty thirtieth six sixth forty fortieth seven seventh fifty fiftieth eight eighth sixty sixtieth nine ninth seventy seventieth ten tenth eighty eightieth 序数词的用法 — 典例练习 数词专题 例1.I started volunteering at the aquarium in the ________(seven) grade. 【答案】seventh "七年级"用序数词seventh。 例2. The ________(one) American Labor Day was celebrated in New York City on September 5th, 1882. 【答案】first "第一个"劳动节用序数词first。 例3. She is a remarkable athlete, making her ________(two) only to the world champion. 【答案】second "仅次于"用序数词second。 例4. You'd better try a ________(three) time. 【答案】third a+序数词表示"又一，再一"，用third。 倍数表达法 — 用法总结 数词专题 表达方式 结构 示例 倍数+as...as ...times(两倍用twice/double)+as+形容词/副词原级+as This box is four times as light as that one. 倍数+比较级+than ...times+形容词/副词比较级+than This box is three times lighter than that one. 倍数+the+名词+of ...times+the length/width/weight/size+of The classroom is five times the size of our office. the+size/length等+of 主语+be+the size/length/width/height+of+比较对象 Our building is twice the height of yours. 倍数表达法 — 典例练习 数词专题 例1. This box is four times as light as that one. = This box is three times ________ than that one. 【答案】lighter 四倍as...as = 三倍比较级+than，用lighter。 例2. The classroom is five times as large as our office. = The classroom is five times the ________ of our office. 【答案】size 倍数+the size of表示"是...的几倍大"。 例3.The GPNP covers an area about three times ________ size of Yellowstone National Park. 【答案】the 倍数+the size of+比较对象为固定结构。故填the。 例4. Most Brits spend almost ________(two) as much of their leisure time socializing as they do being alone. 【答案】twice "两倍"用twice，twice+as+adj.+as为固定用法。 分数与百分数表达法 — 用法总结 数词专题 表达类型 规则 示例 分数 分子用基数词，分母用序数词；分子>1时，分母用复数 one third 1/3, two thirds 2/3 特殊分数 1/2用a half；1/4用a quarter/one fourth a half, a quarter 百分数 数字+per cent/ % forty per cent (40%) 日期 月份+序数词+年份 December 25th, 1999 时刻 half past + 数字 / 数字 + to + 数字 half past six 六点半, five to eight 七点五十五分 分数或百分数作主语 "分数/百分数+of+名词"作主语时，谓语取决于名词的数 About one third of the books are worth reading. 分数与百分数表达法 — 典例练习 数词专题 例1.Water shortage is one of the greatest crises, with two ________(three) of the global population living in areas where water is scarce. 【答案】thirds 分子>1时分母用复数，two thirds=三分之二。 例2. In 2013, nearly a ________(three) of its population was still living under the absolute poverty line. 【答案】third 分子=1时分母用单数，a third=三分之一。 例3. About one third of the books ________(be) worth reading. 【答案】are "分数+of+复数名词"作主语时，谓语用复数。 例4. Only 60 per cent of the work ________(be) done yesterday. 【答案】was "百分数+of+不可数名词"作主语时，谓语用单数。 数词特殊用法 — 表示数量的短语对比 数词专题 特征 词语 备注 只修饰可数名词 a few, many, a large number of, dozens of, scores of, hundreds of 作主语时谓语用复数 只修饰不可数名词 a little, much, a great deal of, a large amount of 作主语时谓语用单数 既可修饰可数也可修饰不可数 a lot of, lots of, plenty of 谓语根据名词而定 quantity修饰(单数) a large quantity of 谓语由后面的名词决定 quantities修饰(复数) large quantities of 作主语时谓语用复数 数词特殊用法 — 典例练习 数词专题 例1. A couple in their ________(seventy) living in London can choose to play golf. 【答案】seventies "在某人七十几岁时"用in one's seventies。 例2. As we can learn from the newspaper, they are already in their ________(thirty) without a child. 【答案】thirties "在某人三十多岁时"用in one's thirties。 例3. Large quantities of water ________(be) needed for cooling purpose. 【答案】are large quantities of作主语时，谓语用复数。 例4. A series of questions ________(have) been put forward by the students. 【答案】has a series of作主语时，谓语取决于series的单数形式，用单数。 综合练习 1. I want to buy a pair of sports shoes, ________ at a proper price, but of good quality. 【答案】one one泛指"一双(运动鞋)"。 2. Water shortage is one of the greatest crises, with two ________(three) of the global population living in areas where water is scarce. 【答案】thirds 分子>1，分母用复数。 3. The new road is more than three times ________ width of the old one. 【答案】the 倍数+the width of为固定结构。 4. Three thousand dollars ________(be) quite a lot of money for a child. 【答案】is 表示金钱的复数名词作主语，谓语用单数。 5. A number of students ________(be) from the south. 【答案】are a number of+复数名词作主语，谓语用复数。 6. The number of people asking to go there ________(be) on the increase. 【答案】is the number of+名词作主语，谓语用单数。 7.DeepSeek-R2, the successor to R1, could be released as soon as this month, as ________ company rushes to expand. 【答案】the company特指DeepSeek公司，用定冠词the。 8.The Silk Route Garden walks visitors through a journey influenced by the ancient Silk Road, by which silk came to Britain for ________ first time. 【答案】the for the first time为固定搭配。 9.The meat should be fresh with ________ touch of sweetness. 【答案】a a touch of"一点儿"为固定搭配。 10.Go is one of ________ earliest binary-based games. 【答案】the 形容词最高级前用定冠词the。 11.When you use one section, ________ other stays fresh. 【答案】the the other意为"另一个"，为固定搭配。 12. A comforting cup of tea is essential. Worldwide, three billion cups of tea ________(consume) every day. Records of tea drinking date as far back as the ________(nine) century BC. 【答案】are consumed; ninth 主谓一致+序数词。 $