Unit 6 Trees 重点语法：数词精讲精练-2025-2026学年七年级英语下册重难点讲练全攻略（沪教版五四制）

**基本信息** 以基数词与序数词为核心，构建“定义-规则-应用-避错”四维方法体系，实现数词语法知识的系统性突破与应试能力提升。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |语法知识精讲|系统规则+5个经典例句|涵盖基数词/序数词拼写规则、用法差异、固定搭配及主谓一致核心规则，易错点专项提醒|从核心定义出发，通过拼写规则→用法分类→固定搭配→主谓一致→易错点的递进式架构，形成完整逻辑链| |语法知识精练|40题|针对数词拼写、数量计算、分数表达等高频考点，强化规则应用与错误规避|题目设计覆盖单选、完形等中考题型，实现“知识-方法-应试”的迁移衔接|

2025-2026学年一线教师制作新教材英语同步精品系列资料，名师遴选！ 2025-2026学年一线教师制作新教材英语同步精品系列资料，名师遴选！ 学校:___________姓名：___________班级：___________考号：___________ Unit 6 Trees 重点语法：数词精讲精练 语法知识精讲 语法核心 数词是初中英语基础核心语法，分为**基数词**和**序数词**两大核心类别，核心考点涵盖数词拼写、数量表达、顺序表达、主谓一致、固定搭配及特殊用法，是单选、完形、写作的高频基础考点 核心定义 1. 基数词：表示数量的多少，可修饰可数名词复数/不可数名词，用于回答“多少”的问题 2. 序数词：表示顺序的先后，可修饰可数名词单数，用于回答“第几”的问题，前通常加定冠词the 基数词核心拼写规则 1. 1-12为独立拼写，需单独记忆（one, two, three...twelve） 2. 13-19以-teen结尾，特殊拼写：thirteen(13)、fifteen(15)、eighteen(18) 3. 20-90整十数以-ty结尾，特殊拼写：twenty(20)、thirty(30)、forty(40)、fifty(50)、eighty(80) 4. 两位数表达：整十数+连字符+个位数，如21 twenty-one；三位数表达：百位+and+后两位，如123 one hundred and twenty-three 5. 大单位：hundred(百)、thousand(千)、million(百万)、billion(十亿) 序数词核心拼写规则 1. 1-3为特殊拼写：first(1st)、second(2nd)、third(3rd) 2. 4-19在基数词后加-th，特殊拼写：fifth(5th)、eighth(8th)、ninth(9th)、twelfth(12th) 3. 20-90整十数：变y为ie，再加-th，如twenty→twentieth(20th) 4. 两位数以上：仅个位变序数词，其余位用基数词，如21 twenty-first(21st)、123 one hundred and twenty-third(123rd) 5. 缩写形式：阿拉伯数字+序数词最后两个字母，如1st、2nd、3rd、4th，初中阶段日期表达中高频使用 核心用法 基数词核心用法：1. 表数量，修饰名词，如three books；2. 表年龄、年份、时间、价格，如at the age of 10、in 2025；3. 表编号，放名词后，首字母大写，如Room 202、Class 3 Grade 7 序数词核心用法：1. 表顺序，前加定冠词the，如the second lesson；2. 表日期，如June 1st；3. 表分数，分子用基数词，分母用序数词，分子大于1时分母加s，如two thirds；4. 前有形容词性物主代词时，不加the，如my first trip 高频固定搭配 1. 表概数：hundreds of 成百上千、thousands of 成千上万、millions of 数百万、tens of 数十个（前无具体数字，后加s+of） 2. 表年龄：in one's twenties/thirties 在某人二十/三十多岁时、at the age of 在……岁时 3. 表顺序：first of all 首先、at first 起初、at last 最后、in the end 最终 4. 表时间：half an hour 半小时、a quarter past three 三点一刻、three quarters 四分之三 与主谓一致的核心规则 1. 基数词+可数名词复数作主语，谓语动词用复数，如Two girls are playing outside 2. 表时间、金钱、距离的复数名词作主语，视为整体，谓语动词用单数，如Ten years is a long time、One hundred yuan is enough 3. 分数/百分数+名词作主语，谓语单复数由后面的名词决定，如Two thirds of the water is clean、Three fifths of the students are boys 经典例句（含翻译） 1. 基数词：I have five storybooks.（我有五本故事书。） 2. 基数词：He will go to high school in 2026.（他2026年将要上高中。） 3. 序数词：This is the third time I have been to the Great Wall.（这是我第三次去长城。） 4. 序数词：My mother's birthday is on October 12th.（我妈妈的生日在10月12日。） 5. 分数：Three quarters of the land is covered with trees.（四分之三的土地被树木覆盖。） 易错点提醒 1. hundred/thousand/million前有具体数字时，不加s，如two hundred（正确）、two hundreds（错误）；表概数时必须加s+of，如hundreds of（正确）、hundred of（错误） 2. 序数词前有形容词性物主代词/名词所有格时，不加定冠词the，如my first bike（正确）、the my first bike（错误） 3. 分数表达中，分子大于1时，分母序数词必须加s，如two thirds（正确）、two third（错误） 4. 编号表达中，基数词必须放在名词后面，且首字母大写，如Class 2（正确）、2 Class（错误） 5. 序数词只能表顺序，不能表数量，不可说“I have three pens, the third is red”以外的错误数量表达 语法知识精练 1．Our school has five clubs and each club has forty members. So there are ______ members in all the clubs. A．50 B．100 C．150 D．200 【答案】D 【详解】句意：我们学校有五个俱乐部，每个俱乐部有四十名成员。所以所有俱乐部中总共有多少成员？ 考查数学运算。根据“five clubs and each club has forty members”可知，五个俱乐部，每个四十人，总人数为5×40=200。故选D。 2．—How many geese do you have at the farm? —I have ________ geese: six white geese and four black geese. A．fifteen B．ten C．five D．twenty 【答案】B 【详解】句意：——你在农场有多少只鹅？——我有十只鹅：六只白鹅和四只黑鹅。 考查数字运算。fifteen十五；ten十；five五；twenty二十。根据答语“six white geese and four black geese”可知，白鹅6只加上黑鹅4只，总数为10只。故选B。 3．—If a=10, b=3, what’s the answer to the question “ab+3”?    —________. A．Sixty B．Seventy-three C．Thirty-three D．Thirty 【答案】C 【详解】句意：——如果a=10，b=3，那么问题“ab+3”的答案是什么？——三十三。 Sixty六十；Seventy-three七十三；Thirty-three三十三；Thirty三十。根据“If a=10, b=3”可知，ab表示10乘以3，即30，那么ab+3就是30加3，等于33，应填Thirty-three。 4．Numbers can be read in different ways. Which of the following is correct? A．5%: five hundred B．October 8: October the eighth C．4.26: four point twenty sixth D．Room 9: Room the ninth 【答案】B 【详解】句意：数字可以用不同的方式读。下面哪一个是正确的？ 5%应读作five percent；October 8的读法是October the eighth；4.26是小数，应读作four point two six；Room 9的常规读法是Room nine。应选B。 5．________ of the earth’s surface is covered with water. A．Two-three B．Two-thirds C．Two-third D．Second-three 【答案】B 【详解】句意：地球表面的三分之二被水覆盖着。 在英语中，分数的表达方式是：分子用基数词，分母用序数词，分子大于一时，分母用复数形式。“三分之二”的英文表达为“two-thirds”，所以此处应填Two-thirds。 6．There are ________ days in a week, and Thursday is the fifth day of the week. A．seventy B．seventeen C．seventh D．seven 【答案】D 【详解】句意：一周有七天，并且周四是一周的第五天。 seventy七十；seventeen十七；seventh第七；seven七。根据常识可知一周共有七天，此处表示数量，应用基数词seven。 7．Hobbies are like the rainbow. They can make our life colourful. There are 40 students in Class 2, Grade 9. Everyone has a hobby. According to the table, there are ________ students doing sports as a hobby. Reading Listening to music Jogging Shopping Playing basketball 1/4 1/5 5 students 7 students ? A．8 B．10 C．15 D．20 【答案】C 【详解】句意：爱好就像彩虹。它们可以使我们的生活丰富多彩。九年级二班有40名学生。每个人都有自己的爱好。根据表格，有15名学生把运动作为爱好。 考查数字运算。根据题干和表格内容可知，阅读的人数是40×1/4=10，听音乐的人数是40×1/5=8，打篮球的人数是40－10－8－5－7=10，所以做运动的人数=慢跑的人数+打篮球的人数=5+10=15。故选C。 8．J. K. Rowling finished her ________ novel when she was ________ years old. A．six; forties B．sixth; forty C．sixth; fortieth D．six; forty 【答案】B 【详解】句意：J. K. 罗琳在四十岁时完成了她的第六部小说。 考查数词用法。six六；forties四十多岁；sixth第六；forty四十；fortieth第四十。第一个空，根据空后的名词“novel”可知，此处应用序数词表示顺序，“six”的序数词是“sixth”；第二个空，表示“在某人多少岁时”，用“基数词+years old”，forty符合。故选B。 9．Congratulations! You got ________ in the English speech contest. A．first B．a first C．one first D．the first 【答案】A 【详解】句意：祝贺你！你在英语演讲比赛中得了第一名。 考查序数词的用法。first第一；a first一个第一，不符合习惯；one first一个第一，错误表达；the first特指第一，但此处强调名次而非特指。在表示获得第一名时，英语习惯用get/take first或get/take the first place，而first单独使用时前面通常不加冠词。根据固定搭配get first表示获得第一名，故选A。 10．Boys and girls, please turn to Page ________ and look at the ________ picture. A．fifth; five B．Nine; nineth C．eight; eighth D．Five; fifth 【答案】D 【详解】句意：同学们，请翻到第 5 页，看第5张图片。 fifth第五；five五；nine九；fifth第五。英语中表达“第几页”的固定规范结构是“Page+基数词”，首字母大写。所以第一空填“Five”；第二空前有定冠词the，空后是名词picture，需要用序数词来表示“第几幅图”，结构为“the+序数词+名词”。第二空应填fifth。 11．—When is your birthday? —It’s on the ________ of October. A．twelve B．twelfth C．twelveth D．twenty 【答案】B 【详解】句意：——你的生日是什么时候？——是在十月十二日。 twelve十二；twelfth第十二；twelveth拼写错误；twenty二十。根据“It’s on the...of October.”可知，此处表示具体的日期，要用序数词，且空前有定冠词“the”提示，基数词“twelve”的序数词形式是“twelfth”。 12．In the men’s high jump final of the Asian Games, the Chinese player tried his best but only ________ because of a slight mistake in the final jump, missing the gold medal by a narrow margin. A．took the lead B．came second C．won the gold D．ended in a draw 【答案】B 【详解】句意：在亚运会男子跳高决赛中，这位中国选手拼尽全力，但因最后一跳的微小失误仅获得第二名，以微弱差距错失金牌。 took the lead领先；came second获得第二名；won the gold赢得金牌；ended in a draw以平局结束。根据“missing the gold medal by a narrow margin”可知，这里需要一个表示比赛名次的短语，came second符合语境，说明选手因失误错失金牌、获得第二名。 13．— 20 out of 50 students in my class will be volunteers. —That’s to say, about ________ of the students will help with the activity. A．second fifths B．second five C．two fifth D．two fifths 【答案】D 【详解】句意：——我班50名学生中有20名将成为志愿者。——也就是说，大约五分之二的学生将帮助这项活动。 英语中分数的表达规则是：分子用基数词，分母用序数词。当分子大于1时，分母序数词要用复数形式。根据“20 out of 50”可知比例为2/5，分子是2，大于1，分母fifth要加s变成fifths。 14．—________ of the students in our class passed the exam. —Oh, that means 20% of them should work harder. A．One fifth B．Four five C．Four fifths D．One five 【答案】C 【详解】句意：——我们班五分之四的学生通过了考试。——哦，那意味着他们中20%的人应该更加努力。 根据答语“that means 20% of them should work harder”可知，有20%的学生没通过考试，即五分之一没通过，那么通过考试的人数占80%，即五分之四。英语中分数的表达法是分子用基数词，分母用序数词，分子大于1时，分母序数词加 s。Four fifths 表示五分之四。故选C。 15．—How many floors does the building have? —It has ________ floors. I live on the ________ floor. A．twenty;twentieth B．twenty;twenty C．twentieth;twenty D．twentieth;twentieth 【答案】A 【详解】句意：——这栋楼有多少层？——它有二十层。我住在第二十层。 twenty二十，基数词；twentieth第二十，序数词。根据“It has...floors.”和“on the...floor”可知，空1需填基数词，强调数量，空2需填序数词，强调顺序。 16．— How many children are there in your family? —I am ________ child. I have an elder brother and a younger sister. A．the one B．the first C．the second D．the third 【答案】C 【详解】句意：——你家有几个孩子？——我是第二个孩子。我有一个哥哥和一个妹妹。 the one一个；the first第一个；the second第二个；the third第三个。根据答语后句“I have an elder brother and a younger sister.”可知，说话人有一个哥哥和一个妹妹，说明家里共有三个孩子，说话人排行第二，应填the second。 17．My brother works in a tall building with ________ floors. His office is on the ________ floor. A．forty; twelve B．forty; twelfth C．fortieth; twelve D．fortieth; twelfth 【答案】B 【详解】句意：我的哥哥在一栋有四十层的高楼里工作，他的办公室在第十二层。 forty四十；fortieth第四十；twelve十二；twelfth第十二。表示建筑物一共有多少层要用基数词，表示在第几层要用序数词，第一空表达楼层总数用基数词forty，第二空表达具体楼层顺序用序数词twelfth。 18．Please turn to Page Twelve and look at ________ picture. A．five B．the fifth C．a fifth D．the five 【答案】B 【详解】句意：请翻到第十二页，看第五幅图画。 表示页码常用“Page+ 基数词”，表示“第几幅图”应用序数词，且序数词前通常加定冠词the。five是基数词，fifth是序数词。根据语境可知此处表示特指第五幅图画，应用the fifth。 19．—Do you hear about Zhushanhu Tunnel (隧道)? —Yes, it’s ________. How amazing! A．7,810 metres long B．7,810 metre long C．7,810 metres-long D．7,810 metre-long 【答案】A 【详解】句意：——你听说过竺山湖隧道吗？——是的，它长7810米。太神奇了！ 表示“某物有多长”时，结构为“主语+be+数词+单位复数+形容词”，作表语时不加连字符。数词7810大于1，单位metre需用复数metres。 20．—Bob, can you read the number 1,234,067? —Yes, I can. It’s________. A．one million two hundred thirty-four thousand and sixty-seven B．one million two hundred thirty-four thousand sixty-seven C．one million two hundred and thirty-four thousand sixty-seven D．one million two hundred and thirty-four thousand and sixty-seven 【答案】D 【详解】句意：——鲍勃，你能读出这个数字1,234,067吗？——是的，我能。它是one million two hundred and thirty-four thousand and sixty-seven。 英语中大数字按三位一节划分，百位与十位之间用and连接，若最后三位数的百位为0，则千位与十位之间用and连接；million, thousand, hundred前有具体数字时用单数形式。“1,234,067”中234读作two hundred and thirty-four，067百位为0读作and sixty-seven。 21．There are ________ months in a year, and May is ________ month. A．the twelfth; five B．twelve; fifth C．twelve; the fifth D．the twelfth; fifth 【答案】C 【详解】句意：一年有十二个月，五月是第五个月 twelfth第十二； five五；twelve十二；fifth第五。第一空表示数量十二，应用基数词twelve；第二空表示顺序第五，应用序数词fifth，且序数词前通常加定冠词the。 22．—John, do you know how many students there are in Grade 7?   —Let me see. About six ________ students. A．hundred B．hundreds C．hundreds of D．hundred of 【答案】A 【详解】句意：——约翰，你知道七年级有多少学生吗？——让我看看。大约六百名学生。 hundred意为“百”，当前面有具体数字修饰时，用单数形式；当表示概数时，用复数加of结构。根据空格前的具体数字“six”可知，此处应用单数形式hundred，six hundred students意为“六百名学生”。 23．—What type of house do you ________? —A farm house. There are eight ________ sheep and cows there. A．live in; thousand B．live in; thousands C．live; thousand D．live; thousands 【答案】A 【详解】句意：——你居住在什么类型的房子里？——农舍。那里有八千只羊和牛。 第一空，live是不及物动词，后接地点名词house需加介词in，构成live in表示“居住在……”；第二空，thousand前有具体数字eight修饰时，用单数形式，不加s。应填live in; thousand。 24．Xuzhou is 11,765 square kilometres in size. How do we say the number “11,765” in English? A．Eleven million seven hundred sixty-five B．Eleven thousand seven hundred sixty-five C．Eleven million seven hundred and sixty-five D．Eleven thousand seven hundred and sixty-five 【答案】D 【详解】句意：徐州的面积为11765平方公里。那么“11765”这个数字用英语怎么说呢？ 英语中多位数字读法遵循三位一逗号原则，从右往左逗号分别代表thousand, million等，且百位与十位之间通常加 and。应填Eleven thousand seven hundred and sixty-five。 25．Mrs Green lives in an old apartment with ________ floors and she is going to celebrate her ________ birthday. A．six; sixtieth B．sixth; the sixtieth C．six; the sixtieth D．sixth; sixtieth 【答案】A 【详解】句意：格林夫人住在一栋有六层楼的旧公寓里，她将要庆祝她的六十岁生日。 第一空后为复数名词floors，需用基数词six表示数量“六”；第二空表示“第六十个生日”，需用序数词sixtieth，且序数词前有形容词性物主代词her修饰时，无需加定冠词the。 26．—Can you teach me how to read the number 65,023 in English, Peter? —Yes. It’s ________. A．sixty-five thousands and twenty-three B．sixty-five thousands, twenty-three C．sixty-five thousand, twenty-three D．sixty-five thousand and twenty-three 【答案】D 【详解】句意：——彼得，你能教我怎么用英语读数字 65,023 吗？——可以。它是六万五千零二十三。 英语中hundred, thousand, million等单位词前有具体数字时不加 s，排除 A和B选项；当百位为零时，千位与十位/个位之间常用and连接，且几十几中间需加连字符，排除C选项。 27．This is a new library with _________ floors. The reading room is on the _________ floor. A．four; four B．fourth; fourth C．four; fourth D．fourth; four 【答案】C 【详解】句意：这是一个有四层楼的新图书馆。阅览室在第四层。 four四，基数词，表示数量；fourth第四，序数词，表示顺序。第一空表示楼层的总数，修饰复数名词floors，用基数词four；第二空表示具体的第几层，位于定冠词the后修饰单数名词floor，用序数词fourth。故选C。 28．—Have you heard of the famous writer? —Certainly. About ________ teenagers love him very much in our school. A．hundreds B．two hundreds of C．two hundreds D．two hundred 【答案】D 【详解】句意：——你听说过那位著名作家吗？——当然。在我们学校大约两百个青少年非常喜欢他。 hundred前有具体数字时用单数形式，且后不加of；表示不确定数目时用hundreds of。根据“About ________ teenagers”可知，此处表示具体数目“两百”，two后hundred用单数。故选D。 29．—Simon, can you read the number 16,828? —Yes, I can. It’s ________. A．sixteen thousand eight hundred and twenty-eight B．sixteen thousand eight hundreds and twenty-eight C．sixteen thousand and eight hundred and twenty-eight D．sixteen thousands eight hundred and twenty-eight 【答案】A 【详解】句意：——西蒙，你能读出16,828这个数字吗？——是的，我可以。它是sixteen thousand eight hundred and twenty-eight。 英语数字读法中，千位和百位之间不加and，百位和十位之间加and，hundred和thousand用单数形式，应填“sixteen thousand eight hundred and twenty-eight”。 30．Here is a pie chart about the difficulties the 2,000 students have when they learn English. According to the chart, ________ students think they don’t have enough time to learn English. A．one hundred B．three hundred C．seven hundred D．eight hundred 【答案】C 【详解】句意：这是一张关于2000名学生在学习英语时遇到困难的饼状图。根据图表，有700名学生认为他们没有足够的时间学习英语。 考查数词计算。one hundred一百；three hundred三百；seven hundred七百；eight hundred八百。根据饼图可知，“No enough time 35%”对应的比例为35%，计算可得2000×35%=700。故选C。 31．________ the students in the school is about 3,000, and ________ of them are girls. A．A number of; two thirds B．The number of; two thirds C．A number of; two third D．The number of; two third 【答案】B 【详解】句意：这所学校的学生数量大约是3000人，其中三分之二是女生。 根据谓语动词是is可知主语为单数概念，the number of表示“……的数量”，谓语用单数；a number of表示“许多”，谓语用复数。分数表达中分子大于1时，分母序数词用复数形式，因此“三分之二”应写为two thirds，应填The number of；two thirds。 32．Numbers can be read in different ways. Which of the following is correct? A．5%: five hundred B．October 8: October the eighth C．4.26: four point twenty sixth D．Room 9: Room the ninth 【答案】B 【详解】句意：数字可以用不同的方式读出来。下面哪个选项是正确的？ five hundred五百，5%应读作five percent；October the eighth10月8日；four point twenty sixth表述错误，小数点后的数字应逐个读出，即four point two six；Room the ninth表述错误，序数词前一般不加the，Room 9应读作Room Nine。根据句意和数字的读法规则可知，只有“October 8: October the eighth”是正确的。 33．—Simon, how old is your grandpa this year? —________. And we are planning a special birthday party for his ________ birthday this Sunday. A．Ninetieth; ninety B．Ninety; the ninetieth C．Ninety; ninetieth D．Ninetieth; the ninety 【答案】C 【详解】句意：——西蒙，你爷爷今年多大年纪了？  ——九十岁。我们正在计划这个星期天为他九十岁生日举办一场特别的生日聚会。 Ninetieth第九十(序数词)，ninety九十(基数词)；the ninetieth第九十(序数词)；the ninety表述错误，选项D排除。根据问句“how old is your grandpa this year”可知，提问年龄需用基数词回答；答句中“his ________ birthday”表明，空格处需用序数词表示第九十个生日，空格前有形容词性物主代词his，不需用定冠词the。选项C符合。 34．—How many students are there in your class? —Fifty. ________ of them ________ football. A．Two-third; likes B．Two-thirds; likes C．Two-third; like D．Two-thirds; like 【答案】D 【详解】句意：——你们班有多少学生？——五十人。他们中的三分之二喜欢足球。 分数表达中分子用基数词，分母用序数词，分子大于1时分母序数词加 s，故“三分之二”写作Two-thirds；“分数+of+代词”作主语时，谓语动词的单复数由of后的代词决定，them指代复数名词students，故谓语动词用原形like。 35．Please turn to Page ________ and look at the ________ picture in Unit 1. A．Twenty; fourth B．Twentieth; four C．Twentieth; fourth D．Twenty; four 【答案】A 【详解】句意：请翻到第20页，看第1单元的第4幅图。 Twenty二十；Twentieth第二十；fourth第四，序数词；four四，基数词。第一个空表示“第……页”，表示页数时，可用基数词，因此第一个空用Twenty；第二个空前有定冠词the，定冠词后接序数词，表示“第几”，因此第二个空用序数词fourth，表示“第四幅图”。 36．—Yang Li, a _________ girl, won the singing competition last week. —Wow, she is so great! A．ten-year-old B．ten-years-old C．ten year old D．ten years old 【答案】A 【详解】句意：——杨莉，一个十岁的女孩，上周赢得了歌唱比赛。——哇，她太棒了！ 根据空后的“girl”可知，此处应填一个形容词，选项B和C表达错误，可排除；选项D中“ten years old”意为 “十岁”，是一个短语，不能直接作定语修饰名词；ten-year-old“十岁的”，是一个复合形容词，用来修饰名词“girl”，其中名词“year”用单数形式，且单词之间用连字符连接，选项A符合题意。 37．—How long is the new bridge? Do you know? —Yes, it’s about ________. A．one thousand one hundred and eighty-eight metres B．one thousand and one hundred fifty five metres C．two thousand one hundred forty-five metres D．two thousands seventy and three metres 【答案】A 【详解】句意：——这座新桥有多长？你知道吗？——知道，它大约有一千一百八十八米。 本题考查英语中数字的表达规则：thousand前面有具体数字时，不能加s，所以D选项错误，直接排除；百位和十位之间要加and，B选项中百位和十位之间缺少and，且fifty five写法错误，排除B选项；十位和个位之间要用连字符连接，C选项中百位和十位之间缺少and，不符合书写规范，排除C选项；对比A选项，其数字表达完全符合英语数字书写规范。 38．—________ is Changzhou High-speed Rail Station? —It’s about 7 kilometres ________ from our school. A．How far; far B．How far; / C．How long; away D．How long; / 【答案】B 【详解】句意：——常州高铁站有多远？——它距离我们学校大约 7 公里。 How far多远；How long多久。答语“It’s about 7 kilometres...”提示问句询问距离，第一空应填How far；当有具体距离数字时，后面不再加far，第二空无需填词。 39．Jack likes playing table tennis in a club. It usually takes him twenty minutes from home to get there. If he has eight hours’ free time on Sunday, according to the time table, he can play table tennis there for about _______. Plan Homework Housework Cooking and eating lunch Shopping Playing table tennis Time 3 hours 30 minutes 1.5 hours 60 minutes ? A．2 hours B．1 hour and 40 minutes C．80 minutes D．85 minutes 【答案】C 【详解】句意：杰克喜欢在俱乐部打乒乓球。他从家里到那里通常要花20分钟。如果他周日有8个小时的空闲时间，根据时间表，他可以在那里打大约80分钟的乒乓球。 考查数字计算。把表格中所有时间转换成分钟，家庭作业是3个小时，即180分钟；家务活是30分钟；做饭和吃午饭是1.5小时，即90分钟；购物60分钟；再根据题干“ It usually takes him twenty minutes from home to get there.”可知，他从家到那里通常要花20分钟，来回是40分钟，这些加起来总计400分钟。根据题意可知，杰克周日有8个小时的空闲时间，即480分钟，由此可知，杰克有80分钟的时间打乒乓球。故选C。 40．I have visited the Hong Kong-Zhuhai-Macao Bridge twice. I still want to go there ________. A．for three times B．for third time C．a third time D．the third time 【答案】C 【详解】句意：我已经参观过港珠澳大桥两次了，我仍然想再去一次。 考查序数词用法。for three times意为“三次”，但“三次”通常说three times，不加for；for third time缺少冠词；a third time表示“又一次/再一次”，是“a+序数词+名词”结构，强调在已有次数上再增加一次；the third time特指“第三次”，但前文已去过两次，若再去应是第三次，但此处不强调顺序而强调“再、又”，用“a third time”更符合语境。故选C。 2 同步新教材，周周有练习，月月有重点！ 1 同步新教材，周周有练习，月月有重点！ 学科网（北京）股份有限公司 $ 2025-2026学年一线教师制作新教材英语同步精品系列资料，名师遴选！ 2025-2026学年一线教师制作新教材英语同步精品系列资料，名师遴选！ 学校:___________姓名：___________班级：___________考号：___________ Unit 6 Trees 重点语法：数词精讲精练 语法知识精讲 语法核心 数词是初中英语基础核心语法，分为**基数词**和**序数词**两大核心类别，核心考点涵盖数词拼写、数量表达、顺序表达、主谓一致、固定搭配及特殊用法，是单选、完形、写作的高频基础考点 核心定义 1. 基数词：表示数量的多少，可修饰可数名词复数/不可数名词，用于回答“多少”的问题 2. 序数词：表示顺序的先后，可修饰可数名词单数，用于回答“第几”的问题，前通常加定冠词the 基数词核心拼写规则 1. 1-12为独立拼写，需单独记忆（one, two, three...twelve） 2. 13-19以-teen结尾，特殊拼写：thirteen(13)、fifteen(15)、eighteen(18) 3. 20-90整十数以-ty结尾，特殊拼写：twenty(20)、thirty(30)、forty(40)、fifty(50)、eighty(80) 4. 两位数表达：整十数+连字符+个位数，如21 twenty-one；三位数表达：百位+and+后两位，如123 one hundred and twenty-three 5. 大单位：hundred(百)、thousand(千)、million(百万)、billion(十亿) 序数词核心拼写规则 1. 1-3为特殊拼写：first(1st)、second(2nd)、third(3rd) 2. 4-19在基数词后加-th，特殊拼写：fifth(5th)、eighth(8th)、ninth(9th)、twelfth(12th) 3. 20-90整十数：变y为ie，再加-th，如twenty→twentieth(20th) 4. 两位数以上：仅个位变序数词，其余位用基数词，如21 twenty-first(21st)、123 one hundred and twenty-third(123rd) 5. 缩写形式：阿拉伯数字+序数词最后两个字母，如1st、2nd、3rd、4th，初中阶段日期表达中高频使用 核心用法 基数词核心用法：1. 表数量，修饰名词，如three books；2. 表年龄、年份、时间、价格，如at the age of 10、in 2025；3. 表编号，放名词后，首字母大写，如Room 202、Class 3 Grade 7 序数词核心用法：1. 表顺序，前加定冠词the，如the second lesson；2. 表日期，如June 1st；3. 表分数，分子用基数词，分母用序数词，分子大于1时分母加s，如two thirds；4. 前有形容词性物主代词时，不加the，如my first trip 高频固定搭配 1. 表概数：hundreds of 成百上千、thousands of 成千上万、millions of 数百万、tens of 数十个（前无具体数字，后加s+of） 2. 表年龄：in one's twenties/thirties 在某人二十/三十多岁时、at the age of 在……岁时 3. 表顺序：first of all 首先、at first 起初、at last 最后、in the end 最终 4. 表时间：half an hour 半小时、a quarter past three 三点一刻、three quarters 四分之三 与主谓一致的核心规则 1. 基数词+可数名词复数作主语，谓语动词用复数，如Two girls are playing outside 2. 表时间、金钱、距离的复数名词作主语，视为整体，谓语动词用单数，如Ten years is a long time、One hundred yuan is enough 3. 分数/百分数+名词作主语，谓语单复数由后面的名词决定，如Two thirds of the water is clean、Three fifths of the students are boys 经典例句（含翻译） 1. 基数词：I have five storybooks.（我有五本故事书。） 2. 基数词：He will go to high school in 2026.（他2026年将要上高中。） 3. 序数词：This is the third time I have been to the Great Wall.（这是我第三次去长城。） 4. 序数词：My mother's birthday is on October 12th.（我妈妈的生日在10月12日。） 5. 分数：Three quarters of the land is covered with trees.（四分之三的土地被树木覆盖。） 易错点提醒 1. hundred/thousand/million前有具体数字时，不加s，如two hundred（正确）、two hundreds（错误）；表概数时必须加s+of，如hundreds of（正确）、hundred of（错误） 2. 序数词前有形容词性物主代词/名词所有格时，不加定冠词the，如my first bike（正确）、the my first bike（错误） 3. 分数表达中，分子大于1时，分母序数词必须加s，如two thirds（正确）、two third（错误） 4. 编号表达中，基数词必须放在名词后面，且首字母大写，如Class 2（正确）、2 Class（错误） 5. 序数词只能表顺序，不能表数量，不可说“I have three pens, the third is red”以外的错误数量表达 语法知识精练 1．Our school has five clubs and each club has forty members. So there are ______ members in all the clubs. A．50 B．100 C．150 D．200 2．—How many geese do you have at the farm? —I have ________ geese: six white geese and four black geese. A．fifteen B．ten C．five D．twenty 3．—If a=10, b=3, what’s the answer to the question “ab+3”?    —________. A．Sixty B．Seventy-three C．Thirty-three D．Thirty 4．Numbers can be read in different ways. Which of the following is correct? A．5%: five hundred B．October 8: October the eighth C．4.26: four point twenty sixth D．Room 9: Room the ninth 5．________ of the earth’s surface is covered with water. A．Two-three B．Two-thirds C．Two-third D．Second-three 6．There are ________ days in a week, and Thursday is the fifth day of the week. A．seventy B．seventeen C．seventh D．seven 7．Hobbies are like the rainbow. They can make our life colourful. There are 40 students in Class 2, Grade 9. Everyone has a hobby. According to the table, there are ________ students doing sports as a hobby. Reading Listening to music Jogging Shopping Playing basketball 1/4 1/5 5 students 7 students ? A．8 B．10 C．15 D．20 8．J. K. Rowling finished her ________ novel when she was ________ years old. A．six; forties B．sixth; forty C．sixth; fortieth D．six; forty 9．Congratulations! You got ________ in the English speech contest. A．first B．a first C．one first D．the first 10．Boys and girls, please turn to Page ________ and look at the ________ picture. A．fifth; five B．Nine; nineth C．eight; eighth D．Five; fifth 11．—When is your birthday? —It’s on the ________ of October. A．twelve B．twelfth C．twelveth D．twenty 12．In the men’s high jump final of the Asian Games, the Chinese player tried his best but only ________ because of a slight mistake in the final jump, missing the gold medal by a narrow margin. A．took the lead B．came second C．won the gold D．ended in a draw 13．— 20 out of 50 students in my class will be volunteers. —That’s to say, about ________ of the students will help with the activity. A．second fifths B．second five C．two fifth D．two fifths 14．—________ of the students in our class passed the exam. —Oh, that means 20% of them should work harder. A．One fifth B．Four five C．Four fifths D．One five 15．—How many floors does the building have? —It has ________ floors. I live on the ________ floor. A．twenty;twentieth B．twenty;twenty C．twentieth;twenty D．twentieth;twentieth 16．— How many children are there in your family? —I am ________ child. I have an elder brother and a younger sister. A．the one B．the first C．the second D．the third 17．My brother works in a tall building with ________ floors. His office is on the ________ floor. A．forty; twelve B．forty; twelfth C．fortieth; twelve D．fortieth; twelfth 18．Please turn to Page Twelve and look at ________ picture. A．five B．the fifth C．a fifth D．the five 19．—Do you hear about Zhushanhu Tunnel (隧道)? —Yes, it’s ________. How amazing! A．7,810 metres long B．7,810 metre long C．7,810 metres-long D．7,810 metre-long 20．—Bob, can you read the number 1,234,067? —Yes, I can. It’s________. A．one million two hundred thirty-four thousand and sixty-seven B．one million two hundred thirty-four thousand sixty-seven C．one million two hundred and thirty-four thousand sixty-seven D．one million two hundred and thirty-four thousand and sixty-seven 21．There are ________ months in a year, and May is ________ month. A．the twelfth; five B．twelve; fifth C．twelve; the fifth D．the twelfth; fifth 22．—John, do you know how many students there are in Grade 7?   —Let me see. About six ________ students. A．hundred B．hundreds C．hundreds of D．hundred of 23．—What type of house do you ________? —A farm house. There are eight ________ sheep and cows there. A．live in; thousand B．live in; thousands C．live; thousand D．live; thousands 24．Xuzhou is 11,765 square kilometres in size. How do we say the number “11,765” in English? A．Eleven million seven hundred sixty-five B．Eleven thousand seven hundred sixty-five C．Eleven million seven hundred and sixty-five D．Eleven thousand seven hundred and sixty-five 25．Mrs Green lives in an old apartment with ________ floors and she is going to celebrate her ________ birthday. A．six; sixtieth B．sixth; the sixtieth C．six; the sixtieth D．sixth; sixtieth 26．—Can you teach me how to read the number 65,023 in English, Peter? —Yes. It’s ________. A．sixty-five thousands and twenty-three B．sixty-five thousands, twenty-three C．sixty-five thousand, twenty-three D．sixty-five thousand and twenty-three 27．This is a new library with _________ floors. The reading room is on the _________ floor. A．four; four B．fourth; fourth C．four; fourth D．fourth; four 28．—Have you heard of the famous writer? —Certainly. About ________ teenagers love him very much in our school. A．hundreds B．two hundreds of C．two hundreds D．two hundred 29．—Simon, can you read the number 16,828? —Yes, I can. It’s ________. A．sixteen thousand eight hundred and twenty-eight B．sixteen thousand eight hundreds and twenty-eight C．sixteen thousand and eight hundred and twenty-eight D．sixteen thousands eight hundred and twenty-eight 30．Here is a pie chart about the difficulties the 2,000 students have when they learn English. According to the chart, ________ students think they don’t have enough time to learn English. A．one hundred B．three hundred C．seven hundred D．eight hundred 31．________ the students in the school is about 3,000, and ________ of them are girls. A．A number of; two thirds B．The number of; two thirds C．A number of; two third D．The number of; two third 32．Numbers can be read in different ways. Which of the following is correct? A．5%: five hundred B．October 8: October the eighth C．4.26: four point twenty sixth D．Room 9: Room the ninth 33．—Simon, how old is your grandpa this year? —________. And we are planning a special birthday party for his ________ birthday this Sunday. A．Ninetieth; ninety B．Ninety; the ninetieth C．Ninety; ninetieth D．Ninetieth; the ninety 34．—How many students are there in your class? —Fifty. ________ of them ________ football. A．Two-third; likes B．Two-thirds; likes C．Two-third; like D．Two-thirds; like 35．Please turn to Page ________ and look at the ________ picture in Unit 1. A．Twenty; fourth B．Twentieth; four C．Twentieth; fourth D．Twenty; four 36．—Yang Li, a _________ girl, won the singing competition last week. —Wow, she is so great! A．ten-year-old B．ten-years-old C．ten year old D．ten years old 37．—How long is the new bridge? Do you know? —Yes, it’s about ________. A．one thousand one hundred and eighty-eight metres B．one thousand and one hundred fifty five metres C．two thousand one hundred forty-five metres D．two thousands seventy and three metres 38．—________ is Changzhou High-speed Rail Station? —It’s about 7 kilometres ________ from our school. A．How far; far B．How far; / C．How long; away D．How long; / 39．Jack likes playing table tennis in a club. It usually takes him twenty minutes from home to get there. If he has eight hours’ free time on Sunday, according to the time table, he can play table tennis there for about _______. Plan Homework Housework Cooking and eating lunch Shopping Playing table tennis Time 3 hours 30 minutes 1.5 hours 60 minutes ? A．2 hours B．1 hour and 40 minutes C．80 minutes D．85 minutes 40．I have visited the Hong Kong-Zhuhai-Macao Bridge twice. I still want to go there ________. A．for three times B．for third time C．a third time D．the third time 2 同步新教材，周周有练习，月月有重点！ 1 同步新教材，周周有练习，月月有重点！ 学科网（北京）股份有限公司 $