Unit 1 Home 语法Grammar 基数词和序数词-2025-2026学年七年级英语下册单元重难点易错题精练（译林版）

班级 姓名 学号 分数 Unit 1 Home 基数词和序数词 （时间：60分钟，满分：100分） 考点一 基数词 0-12 one two three four five six seven eight nine ten eleven twelve 13-19 thirteen fourteen fifteen sixteen seventeen eighteen nineteen 20-90 整数 twenty thirty forty fifty sixty seventy eighty ninety 20-99 非整数 twenty-one forty-two 三位数 121 one hundred and twenty-one 206 two hundred and six 多位数 1,987,654,321 one billion nine hundred and eighty-seven million six hundred and fifty-four thousand three hundred and twenty-one 不确切数 hundreds of thousands of millions of 不确切岁数/年代 in her forties in the 1990s 考点二 序数词 1 、2 、3 不规则变化 first second third 1st 2nd 3rd 4-19 基数词词尾加 th fourth fifth sixth seventh eighth ninth tenth eleventh twelfth thirteenth 4th 11th 20th 21st 22nd 23rd 24th 121st 124th 20-90 整数 ty 变为 tie 再加 th twentieth thirtieth fortieth 两位数或多位数(整数 除外)只变个位数 twenty-first one hundred and thirty-fourth 一、单项选择(本大题共30小题，每小题2分，共60分) 1．________ of students took part in the school sports meeting. A．Hundred B．Hundreds C．Thousand D．Thousands 2．The building has ________ floors and she lives on the ________ floor with her family. A．twelve; twelve B．twelfth; twelfth C．twelve; twelfth D．twelfth; twelve 3．2,457 means ________ in English. A．two thousand four hundred fifty-seven B．two thousands four hundred and fifty-seven C．two thousands four hundred fifty-seven D．two thousand four hundred and fifty-seven 4．There are ________ students in the sports meet. ________ of the students come from No.1 Middle School. A．thousands of; Two hundred B．thousands of; Two hundreds C．one thousands; Hundreds D．one thousand; Hundred 5．—Excuse me, where is Mrs. Green’s office? —It’s on ________ floor. A．seven B．the seven C．the seventh D．seventh 6．There are _________ books in the library. A．two thousand and three hundred and sixty-five B．two thousand three hundred and sixty-five C．two thousands and three hundred and sixty-five D．two thousands three hundred and sixty-five 7．There are ________ seasons in a year. Winter is ________ season. A．fourth; four B．fourth; the fourth C．four; the fourth D．four; the four 8．We read 150,308 like this: ________. A．one hundred and fifty three hundred and eight B．one hundred and fifty thousands three hundred and eight C．one hundred and fifty thousand three hundred and eight D．one hundred fifty thousand three hundred and eight 9．—Bob, can you read this number 320,057? —Yes, I can. It’s _________. A．three hundred and twenty thousand, fifty-seven B．three hundred and twenty thousand and fifty-seven C．three hundreds and twenty thousands, fifty-seven D．three hundred and twenty thousands, and fifty-seven 10．—What should we do now, Mr. Brown? —Please turn to Page ________ and look at the _________ picture. A．Fourty, nineth B．Forty, ninth C．Fortieth, nine D．Forty, nine 11．—How do you say 4, 265 in English?    —It’s _________. A．four thousand two hundred and sixty five B．four thousand and two hundred sixty five C．four thousand two hundred and sixty-five D．four thousand and two hundreds and sixty-five 12．—David, how old is your father this year? —40. And we just had a special party for his ________ birthday last weekend. A．the fourteenth B．the fortieth C．fourteenth D．fortieth 13．There are ________ floors in the building. Our flat is on the ________ floor. A．twenty; nine B．twentieth; nine C．twenty; ninth 14．Please turn to page (页) ________ and have a look at the picture on it. A．the eightieth B．eightieth C．eighty D．eighties 15．How do you say 15,858? A．Fifteen thousands, eight hundred and fifty-eight. B．Fifteen thousand, eight hundreds and fifty eight. C．Fifteen thousand eight hundred and fifty-eight. D．Fifteen thousand and eight hundred and fifty-eight. 16．We read 50, 392 like this _________. A．five thousand three hundreds and ninety two B．fifty thousand three hundred and ninety-two C．five thousand and three hundred and ninety two D．fifty thousand and three hundred and ninety-two 17．Jiangning is 1, 561 square kilometres in size. How do we usually say the number” “1, 561”in English? A．One million five hundred and sixty-one. B．One thousand five hundred sixty-one. C．One thousand five hundred and sixty-one. D．One million five hundred sixty-one. 18．The city library has ________ different books. A．thousands B．thousands of C．one thousands D．one thousands of 19．507,004,032 can be read as ________ . A．five hundred and seven million four thousand and thirty-two B．five hundred and seven million four thousand thirty-two C．five hundred and seven million and four thousands and thirty-two D．five hundred and seven million and four thousand thirty-two 20．________ students are from the area. A．Five hundred of B．Five thousand of C．Five hundreds of D．Five hundred 21．—How many people are there in your hometown? —About ________. A．two hundreds thirty five B．two hundreds and thirty five C．two hundreds and thirty-five D．two hundred and thirty-five 22．How do you read 5,325,047? A．five million, three hundred and twenty-five thousand and forty seven B．five thousand, three hundred and twenty-five million and forty-seven C．five million, three hundred and twenty-five thousand and forty-seven D．five thousand, three hundred and twenty-five million and forty seven 23．Our school has ________ books in the library. Among them, there are ________ Biology books. A．thousand, two hundred B．hundreds of, two thousand C．two hundred, two thousand D．thousands of, two hundred 24．—How old is your grandpa, Sue? — ________ A．Seventy and nine. B．Seventy-nine. C．Seventy nine. D．Seven Nine. 25．Xizang receive _________foreign visitors from January to April each year. A．thousand of B．thousands of C．two thousand of D．thousand 26．There are ________ solar terms (节气) in a year. Lichun is the first one. A．twenty-four B．twenty-fourth C．the twenty-fourth D．the twenty-four 27．— Why is Jenny so happy? — Because today is her ________ wedding anniversary (周年纪念日). A．fifth B．the fifth C．five D．the five 28．—Where are the students now?   —They are in ________. A．room 505 B．Room 505 C．505 room D．505 Room 29．— Are you the only child in your family? — No. I am ________ child in my family. A．the second B．two C．the two D．second 30．There are ________ days in a week, and Sunday is the ________ day. A．seven; seventh B．seventh; seven C．seven; seven D．seventh; seventh 二、填空(本大题共20小题，每小题2分，共40分) 写出下列数字的基数词 31．four+ eight= 32．seven+eight= 33．thirteen+seven = 34．fourteen十sixteen= 35．seventy- fourteen= 36．eighty-sixteen= 37．sixty- thirteen= 38．eighty-forty= 39．forty-eight- twelve= 40．ninety 十 five= 写出下列数字的序数词 41．one 42．five 43．seven 44．eight 45．fourteen 46．thirty 47．twenty 48．ninety-nine 49．sixty-three 50．one hundred and eighty-two 答案第1页，共2页 答案第1页，共2页 学科网（北京）股份有限公司 $ 班级 姓名 学号 分数 Unit 1 Home 基数词和序数词 （时间：60分钟，满分：100分） 考点一 基数词 0-12 one two three four five six seven eight nine ten eleven twelve 13-19 thirteen fourteen fifteen sixteen seventeen eighteen nineteen 20-90 整数 twenty thirty forty fifty sixty seventy eighty ninety 20-99 非整数 twenty-one forty-two 三位数 121 one hundred and twenty-one 206 two hundred and six 多位数 1,987,654,321 one billion nine hundred and eighty-seven million six hundred and fifty-four thousand three hundred and twenty-one 不确切数 hundreds of thousands of millions of 不确切岁数/年代 in her forties in the 1990s 考点二 序数词 1 、2 、3 不规则变化 first second third 1st 2nd 3rd 4-19 基数词词尾加 th fourth fifth sixth seventh eighth ninth tenth eleventh twelfth thirteenth 4th 11th 20th 21st 22nd 23rd 24th 121st 124th 20-90 整数 ty 变为 tie 再加 th twentieth thirtieth fortieth 两位数或多位数(整数 除外)只变个位数 twenty-first one hundred and thirty-fourth 一、单项选择(本大题共30小题，每小题2分，共60分) 1．________ of students took part in the school sports meeting. A．Hundred B．Hundreds C．Thousand D．Thousands 【答案】B 【详解】句意：数百名学生参加了学校运动会。 考查数词用法。Hundred百；Hundreds数百，hundreds of…“数百……”；Thousand千；Thousands数千，thousands of…“数千……”。根据语境及“of students”可知，此处表示约数排除AC，根据常理，学校运动会参加人数通常在“数百”的规模更为常见，故此处应用“hundreds of…”。故选B。 2．The building has ________ floors and she lives on the ________ floor with her family. A．twelve; twelve B．twelfth; twelfth C．twelve; twelfth D．twelfth; twelve 【答案】C 【详解】句意：这栋楼有12层，她和她的家人住在第12层。 考查数词和序数词。twelve十二，基数词；twelfth第十二，序数词。第一空表示数量，用基数词；第二空表示顺序，用序数词，故选C。 3．2,457 means ________ in English. A．two thousand four hundred fifty-seven B．two thousands four hundred and fifty-seven C．two thousands four hundred fifty-seven D．two thousand four hundred and fifty-seven 【答案】D 【详解】句意：2,457在英语中的意思是two thousand four hundred and fifty-seven。 考查数词表达。在英语中，数字每隔三个有个逗号，百位和十位数之间加and，可排除AC选项；thousand前有具体数词two修饰时，不能加s。故选D。 4．There are ________ students in the sports meet. ________ of the students come from No.1 Middle School. A．thousands of; Two hundred B．thousands of; Two hundreds C．one thousands; Hundreds D．one thousand; Hundred 【答案】A 【详解】句意：在运动会上有几千名学生。其中两百名学生来自第一中学。 考查数词表达。thousands of“数以千计的，许多”，表示概数；hundred前面有具体数字时，hundred不加s。故选A。 5．—Excuse me, where is Mrs. Green’s office? —It’s on ________ floor. A．seven B．the seven C．the seventh D．seventh 【答案】C 【详解】句意：——打扰一下，格林夫人的办公室在哪里？——在七楼。 考查序数词。根据“It’s on...floor.”可知，表示在第几楼应用序数词seventh，序数词前要加定冠词the。故选C。 6．There are _________ books in the library. A．two thousand and three hundred and sixty-five B．two thousand three hundred and sixty-five C．two thousands and three hundred and sixty-five D．two thousands three hundred and sixty-five 【答案】B 【详解】句意：图书馆里有两千三百六十五本书。 考查基数词。在英语中，数字每隔三个有个逗号，百位和十位数之间加and，千位和百位之间不需要and，排除AC选项；thousand前有具体数字时，不需要加-s。故选B。 7．There are ________ seasons in a year. Winter is ________ season. A．fourth; four B．fourth; the fourth C．four; the fourth D．four; the four 【答案】C 【详解】句意：一年有四个季节。冬天是第四个季节。 考查基数词和序数词。four四；fourth第四。第一空是描述一年中有四个季节，应用基数词four；第二空是说冬天是一年中第四个季节，应用序数词fourth，故选C。 8．We read 150,308 like this: ________. A．one hundred and fifty three hundred and eight B．one hundred and fifty thousands three hundred and eight C．one hundred and fifty thousand three hundred and eight D．one hundred fifty thousand three hundred and eight 【答案】C 【详解】句意：我们这样读150308：十五万零三百零八。 考查大数的读法。英文中大数的读法规则是：百位和十位通常用and来连接，同时hundred和thousand不可以使用复数，只有C符合。故选C。 9．—Bob, can you read this number 320,057? —Yes, I can. It’s _________. A．three hundred and twenty thousand, fifty-seven B．three hundred and twenty thousand and fifty-seven C．three hundreds and twenty thousands, fifty-seven D．three hundred and twenty thousands, and fifty-seven 【答案】B 【详解】句意：——鲍勃，你能读出这个数字320057吗？——嗯，我可以。是Three hundred and twenty thousand and fifty seven。 考查基数词的读法。1000 以上的基数词的表示法：先从右至左数，每三位数加一个逗号 。第一个逗号前的数为thousand (千)，第二个逗号前的数为million (百万)，第三个逗号前的数为billion (十亿)，thousand/million/billion都用单数，然后一段一段地数；百位和十位之间用and连接，若百位为0，千位和十位用and连接。“320,057”看作“320个‘千’和57”，读作three hundred and twenty thousand and fifty-seven。故选B。 10．—What should we do now, Mr. Brown? —Please turn to Page ________ and look at the _________ picture. A．Fourty, nineth B．Forty, ninth C．Fortieth, nine D．Forty, nine 【答案】B 【详解】句意：——布朗先生，我们现在应该做什么？——请翻到第40页，看第九张图片。 考查数词的用法。forty四十，基数词；nine九，基数词；ninth第九，序数词；fortieth第四十，序数词；nineth错误写法。第一个空表达第几页，可以用“page+基数词”或“the+序数词+page”，所以第一空应填基数词，可排除C选项；第二个空前有定冠词the，所以第二个空应填序数词，表顺序。故选B。 11．—How do you say 4, 265 in English?    —It’s _________. A．four thousand two hundred and sixty five B．four thousand and two hundred sixty five C．four thousand two hundred and sixty-five D．four thousand and two hundreds and sixty-five 【答案】C 【详解】句意：——你如何用英语说“ 4, 265”？——四千二百六十五。 考查基数词读法。四位基数词读法：在百位和十位之间，一般要用连词“and”，十位和个位之间用连接号“-”，hundred和具体数字连用时，不能加s。故选C。 12．—David, how old is your father this year? —40. And we just had a special party for his ________ birthday last weekend. A．the fourteenth B．the fortieth C．fourteenth D．fortieth 【答案】D 【详解】句意：——大卫，你父亲今年多大了？——40岁，上周末，我们刚刚为他四十岁生日举办了一个特别的派对。 考查基数词和序数词。fourteenth第十四；fortieth第四十。根据“40...a special party for his...birthday”可知，此处是指父亲四十岁生日，应用序数词，空前有his修饰，序数词前不用冠词，故选D。 13．There are ________ floors in the building. Our flat is on the ________ floor. A．twenty; nine B．twentieth; nine C．twenty; ninth 【答案】C 【详解】句意：这栋楼有二十层。我们的公寓在九楼。 考查数词的表达。twenty二十，基数词；twentieth第二十，序数词；nine九，基数词；ninth第九，序数词。第一空表示数量，应填基数词；第二空表示顺序，应填序数词，故选C。 14．Please turn to page (页) ________ and have a look at the picture on it. A．the eightieth B．eightieth C．eighty D．eighties 【答案】C 【详解】句意：请翻到第80页，看看上面的图片。 考查基数词。表示“第……页时”，可用“名词+基数词”，page eighty意为“第80页”。故选C。 15．How do you say 15,858? A．Fifteen thousands, eight hundred and fifty-eight. B．Fifteen thousand, eight hundreds and fifty eight. C．Fifteen thousand eight hundred and fifty-eight. D．Fifteen thousand and eight hundred and fifty-eight. 【答案】C 【详解】句意：怎么读15858？ 考查数词的读法。表示确切的数量，数词用单数形式，排除A和B选项，百和十之间用and连接，故选C。 16．We read 50, 392 like this _________. A．five thousand three hundreds and ninety two B．fifty thousand three hundred and ninety-two C．five thousand and three hundred and ninety two D．fifty thousand and three hundred and ninety-two 【答案】B 【详解】句意：我们读50，392像这样读五万零三百九十二。 考查数词用法。根据英文中数字用逗号隔开，第一个逗号代表千，用thousand，百位数在数字后加hundred，百位和十位之间要加and，表示几十几在十位数和个位数之间加连字符，因此50，392正确的读法fifty thousand three hundred and ninety-two。故选B。 17．Jiangning is 1, 561 square kilometres in size. How do we usually say the number” “1, 561”in English? A．One million five hundred and sixty-one. B．One thousand five hundred sixty-one. C．One thousand five hundred and sixty-one. D．One million five hundred sixty-one. 【答案】C 【详解】句意：江宁面积为1561平方公里。“1,561”这个数字用英语怎么说？ 考查数字的读法。英语中三位以上的数字读法是：从右往左数，每三位一逗号，逗号从右往左分别对应的是：thousand, million, billion，所以“1,561”应读作One thousand five hundred and sixty-one，故选C。 18．The city library has ________ different books. A．thousands B．thousands of C．one thousands D．one thousands of 【答案】B 【详解】句意：市图书馆由上千本不同的书。 考查数量的表达。大数thousand表示具体数字的时候，应用“基数词加thousand单数”的结构；表示概数的时候，应用短语thousands of表示“上千的”。故选B。 19．507,004,032 can be read as ________ . A．five hundred and seven million four thousand and thirty-two B．five hundred and seven million four thousand thirty-two C．five hundred and seven million and four thousands and thirty-two D．five hundred and seven million and four thousand thirty-two 【答案】A 【详解】句意：507,004,032可以读作五亿零七百万四千零三十二。 考查数词的表达。在英语中，数字每隔三个有个逗号，百位和十位数之间加and，十位数和个位数之间要有连字符，thousand和thirty-two之间应用and连接，可排除BD选项；百万和千之间不需要and连接，故选A。 20．________ students are from the area. A．Five hundred of B．Five thousand of C．Five hundreds of D．Five hundred 【答案】D 【详解】句意：五百名学生来自这个地区。 考查大数表达。hundred“百”/thousand“千”，可用“hundreds of/thousands of”表示“数百的/数千的”，也可用“基数词+hundred/thousand”表示具体的几百/几千。故选D。 21．—How many people are there in your hometown? —About ________. A．two hundreds thirty five B．two hundreds and thirty five C．two hundreds and thirty-five D．two hundred and thirty-five 【答案】D 【详解】句意：——你家乡有多少人？——大约235人。 考查数词的写法。hundred“百”，前面有具体的数字时，不用复数；且百位与十位之间用and连接；十位数与个位数之间需要加连字符“-”。因此可知，选项D符合。故选D。 22．How do you read 5,325,047? A．five million, three hundred and twenty-five thousand and forty seven B．five thousand, three hundred and twenty-five million and forty-seven C．five million, three hundred and twenty-five thousand and forty-seven D．five thousand, three hundred and twenty-five million and forty seven 【答案】C 【详解】句意：怎么读5325047？ 考查基数词表达。在英语中，数字每隔三个有个逗号，百位和十位数之间加and；十位数和个位数之间要有连字符，可排除AD选项；右侧第一个逗号前是千位，表示“325”千，“325”英文表达为three hundred and twenty-five，thousand表示“千”。故选C。 23．Our school has ________ books in the library. Among them, there are ________ Biology books. A．thousand, two hundred B．hundreds of, two thousand C．two hundred, two thousand D．thousands of, two hundred 【答案】D 【详解】句意：我们学校的图书馆里有好几千本书。其中有两百本生物书。 考查hundred/thousand等大数的表达。hundred或thousand前有基数词或其他修饰词时，其后不加s或of；hundreds of“数百的”，thousands of“数千的”。根据“Among them”可知，生物书的数量应少于书本总数。故选D。 24．—How old is your grandpa, Sue? — ________ A．Seventy and nine. B．Seventy-nine. C．Seventy nine. D．Seven Nine. 【答案】B 【详解】句意：——Sue，你的爷爷多大年纪了？——79岁。 考查数词的正确表达。根据英语数词的书写规则，79应写作 “seventy-nine”，中间需用连字符连接。故选B。 25．Xizang receive _________foreign visitors from January to April each year. A．thousand of B．thousands of C．two thousand of D．thousand 【答案】B 【详解】句意：西藏每年从一月到四月接待成千上万的外国游客。 考查大数表达。thousand“千”，前面有具体数字时，不加s，不加of；当后面加s时，需要和of连用。结合选项，故选B。 26．There are ________ solar terms (节气) in a year. Lichun is the first one. A．twenty-four B．twenty-fourth C．the twenty-fourth D．the twenty-four 【答案】A 【详解】句意：一年有二十四节气。立春是第一个。 考查基数词。twenty-four二十四；twenty-fourth第二十四。根据“There are ... solar terms (节气) in a year.”可知，一年有24个节气，表示数量，应用基数词。故选A。 27．— Why is Jenny so happy? — Because today is her ________ wedding anniversary (周年纪念日). A．fifth B．the fifth C．five D．the five 【答案】A 【详解】句意：——珍妮为什么这么开心？——因为今天是她的第五个结婚周年纪念日。 考查序数词的用法。fifth第五；the fifth第五；five五；the five五。“anniversary”是单数，此处指第五个结婚纪念日，应用序数词。因空前有代词“her”修饰，序数词前不加定冠词the。故选A。 28．—Where are the students now?   —They are in ________. A．room 505 B．Room 505 C．505 room D．505 Room 【答案】B 【详解】句意：——现在学生们在哪里？——他们在505房间。 考查基数词的用法。表示房间号时，基数词要跟在名词room后，且room首字母要大写。故选B。 29．— Are you the only child in your family? — No. I am ________ child in my family. A．the second B．two C．the two D．second 【答案】A 【详解】句意：——你是家中的独生子女吗？ ——不。我是家里的第二个孩子。 考查序数词和基数词用法。the second第二，序数词；two二，基数词；the two二；second第二，序数词。根据题意可知，表示 “第几个孩子” 要用序数词，序数词前要加定冠词the，“the second child” 表示 “第二个孩子”。故选A。 30．There are ________ days in a week, and Sunday is the ________ day. A．seven; seventh B．seventh; seven C．seven; seven D．seventh; seventh 【答案】A 【详解】句意：一周有七天，星期日是第七天。 考查数词。seven七，基数词；seventh第七，序数词。根据“There are…days in a week, and Sunday is the…day.”可知，第一个空需要填写天数的基数词，表示数量；第二个空需要填写序数词，修饰空后的名词，表示顺序。故选A。 二、填空(本大题共20小题，每小题2分，共40分) 写出下列数字的基数词 31．four+ eight= 32．seven+eight= 33．thirteen+seven = 34．fourteen十sixteen= 35．seventy- fourteen= 36．eighty-sixteen= 37．sixty- thirteen= 38．eighty-forty= 39．forty-eight- twelve= 40．ninety 十 five= 【答案】 31．twelve 32．fifteen 33．twenty 34．thirty 35．fifty-six 36．sixty-four 37．forty-seven 38．forty 39．twenty 40．ninety-five 【分析】31．4+8=12，答案为twelve。 32．7+8=15，答案为fifteen。 33．13+7=20，答案为twenty。 34．14+16=30，答案为thirty。 35．70-14=56，答案为fifty-six。 36．80-16=64，答案为sixty-four。 37．60-13=47，答案为forty-seven。 38．80-40=40，答案为forty。 39．40-8-12=20，故答案为twenty。 40．90+5=95，故答案为ninety-five。 写出下列数字的序数词 41．one 42．five 43．seven 44．eight 45．fourteen 46．thirty 47．twenty 48．ninety-nine 49．sixty-three 50．one hundred and eighty-two 【答案】 41．first 42．fifth 43．seventh 44．eighth 45．fourteenth 46．thirtieth 47．twentieth 48．ninety-ninth 49．sixty-third 50．one hundred and eighty-second 【分析】41．one的序数词是first“第一”。故填first。 42．five的序数词是fifth“第五”。故填fifth。 43．seventh的序数词是seventh“第七”。故填seventh。 44．eight的序数词是eighth“第八”。故填eighth。 45．fourteen的序数词是fourteenth“第十四”。故填fourteenth。 46．thirty的序数词是thirtieth“第三十”。故填thirtieth。 47．twenty的序数词是twentieth“第二十”。故填twentieth。 48．ninety-nine的序数词是ninety-ninth“第九十九”。故填ninety-ninth。 49．sixty-three的序数词是sixty-third“第六十三”。故填sixty-third。 50．one hundred and eighty-two的序数词是one hundred and eighty-second“第一百八十二”。故填one hundred and eighty-second。 答案第1页，共2页 答案第1页，共2页 学科网（北京）股份有限公司 $