Unit 2 Amazing numbers 语法Grammar 基数词和序数词-2025-2026学年八年级英语上册单元重难点易错题精练（沪教版2024）

班级 姓名 学号 分数 Unit 2 Amazing numbers 基数词和序数词 （时间：60分钟，满分：100分） 基数词的用法 (1)当hundred, thousand, million, billion等和of连用，表示粗略的数目时,须用复数。如hundreds of people数以百计的人; 但如果hundred, thousand, million, billion等词前有具体数词或several时，须用单数six hundred people 600人. (2)表示“几十年代”或“几十岁”时，用逢十的基数词的复数。如： in the thirties在30年代 in his fifties在他50多岁时 (3)与基数词合成的复合形容词，其中的名词用单数。如： a three-month-old baby三个月大的婴儿 a five-year plan一个五年计划 序数词 序数词一般以与之相应的基数词加词尾-th构成，但要注意一些特殊形式。 （一）阿拉伯数字基数词序数词序数词缩略式 1 one first 1st 2 two second 2nd 3 three third 3rd 5 five fifth 5th 8 eight eighth 8th 9 nine ninth 9th 12 twelve twelfth 12th 20 twenty twentieth 20th 21 twenty-one twenty-first 21st 22 twenty-two twenty-second 22nd 23 twenty-three twenty-third 23 rd （二）特别提示 1、以y结尾的基数词构成序数词时，先把y变为ie, 再加-th。 2、几十几及以上的序数词，其中十位数或百位数、千位数等用基数词，只有个位数才用序数词。如： 128th: one hundred and twenty-eighth 752nd: seven hundred and fifty-second 3、hundred, thousand, million的序数词均在基数词后加-th构成，hundredth, thousandth, millionth 基数词与序数词对照表 (0-100+ 核心词) 数字 基数词 (Cardinal) 序数词 (Ordinal) 序数词缩写 特殊规则 0 zero / oh — — — 1 one first 1st 不规则 2 two second 2nd 不规则 3 three third 3rd 不规则 4 four fourth 4th 5 five fifth 5th ve→f+th 6 six sixth 6th 7 seven seventh 7th 8 eight eighth 8th 加 h 9 nine ninth 9th 去 e 10 ten tenth 10th 11 eleven eleventh 11th 12 twelve twelfth 12th ve→f+th 13 thirteen thirteenth 13th 20 twenty twentieth 20th y→i+eth 21 twenty-one twenty-first 21st 个位变序数 30 thirty thirtieth 30th y→i+eth 40 forty (非 fourty) fortieth 40th y→i+eth 50 fifty fiftieth 50th y→i+eth 100 one hundred hundredth 100th 1,000 one thousand thousandth 1,000th 1、 单项选择(本大题共30小题，每小题2分，共60分) 1．— How do you read 10, 206 in English? — It is ________. A．one thousand two hundred and six B．one thousand two hundreds and six C．ten thousand two hundred and six D．ten thousands two hundreds and six 【答案】C 【详解】句意：——用英语如何读10, 206？——它是一万二百零六。 考查数字表达。根据“—How do you read 10, 206 in English? —It is...”可知，英语中数字的读法遵循“三位分节法”，从右往左每三位用逗号分隔，依次为“thousand”（千）、“million”（百万）、“billion”（十亿）等。10, 206 可拆分为“10”和“206”，其中“10”对应万位“ten thousand”，“206”对应百位及以下“two hundred and six”。当表示具体数字时，“thousand/hundred”等单位用单数形式。故选C。 2．Today is Jack’s birthday. It’s his ________ birthday. A．twelve B．twelveth C．twelfth D．twenty 【答案】C 【详解】句意：今天是杰克的生日。今天是他的十二岁生日。 考查序数词表达。twelve十二；twelfth第十二；twenty二十。指生日时，应用序数词，空前有形容词性物主代词her修饰，序数词前不用定冠词the。故选C。 3．Nanjing is the capital of Jiangsu. Over ________ people live in this beautiful city. A．9 millions B．9 millions of C．9 million of D．9 million 【答案】D 【详解】句意：南京是江苏的省会。超过900万人生活在这座美丽的城市。 考查基数词的用法。当“million”前有具体数字表示确切的数量时，“million”用单数形式，且后面直接接可数名词复数，构成“数字+million+可数名词复数”结构；“millions of”是固定短语，意为“数百万的；大量的”，前面不能加具体数字，用来表示不确切的数量。故选D。 4．It’s reported that people throw ________ plastic bags every day. A．hundred B．hundreds C．hundred of D．hundreds of 【答案】D 【详解】句意：据报道，人们每天扔掉成百上千个塑料袋。 考查hundred的用法。hundred“百”，当其表示确数时，前面要使用具体的数字修饰，且hundred后面不能加“s”或“of”；当其表示概数时，前面不能加具体的数字，且后面要加“s”和“of”，即hundreds of，意为“好几百的”或“成百上千的”。根据“plastic bags”可知，此处表示成百上千个塑料袋。故选D。 5．There are ________ months in a year, and April is the ________ month of the year. A．twelfth; fourth B．twelfth; four C．twelve; four D．twelve; fourth 【答案】D 【详解】句意：一年有12个月，四月是一年中的第四个月。 考查数词用法。twelve十二；fourth第四；twelfth第十二；four四。第一空描述月份总数用基数词，第二空表示顺序用序数词，故选D。 6．My grandma told me the number “9” stands for “Long lasting”. So I chose the ________ floor to live on. A．nine B．eighth C．ninth D．eight 【答案】C 【详解】句意：我的奶奶告诉我数字“9”代表“长久”。所以我选择住在第九层楼。    考查数词辨析。nine基数词，意为“九”，表示数量；eighth序数词，意为“第八”，表示顺序；ninth序数词，意为“第九”，表示顺序；eight基数词，意为“八”，表示数量。根据“the number ‘9’ stands for ‘Long lasting’”可知，9象征“长久”，因此选择楼层时应体现数字9的顺序意义。空格后floor表示“楼层”，需用序数词表示“第几层”。“第九”的序数词为ninth，故选C。 7．Wednesday is ________ day in a week. A．four B．fourth C．the fourth 【答案】C 【详解】句意：星期三是一周中的第四天。 考查数词辨析。four四，基数词；fourth第四，序数词；the fourth第四，序数词前加定冠词the。根据“Wednesday is…day in a week.”可知，一周以星期日为第一天，星期三是第四天，且序数词前需加定冠词the，the fourth day表示“第四天”。故选C。 8．The number 620,508 should be read ________. A．six hundred and twenty thousands and five hundreds and eight B．six hundred and twenty thousand, five hundred and eight C．six hundred and twenty thousand and five hundred and eight D．six hundred, twenty thousand, five hundred and eight 【答案】B 【详解】句意：数字620,508 应该读作什么。 考查数字的读法。先从右往左数，每三位数加一个逗号，第一个逗号前的数为“thousand”。那么题干中的620读作six hundred and twenty thousand，而508读作five hundred and eight。所以，620,508读作six hundred and twenty thousand, five hundred and eight。故选B。 9．The _________ letter in the word “century” is “n”. A．second B．third C．fifth 【答案】B 【详解】句意：单词“century”中的第3个字母是“n”。 考查序数词辨析。second第二；third第三；fifth第五。分析单词“century”的字母顺序：c(1)-e(2)-n(3)-t(4)-u(5)-r(6)-y(7)，可知字母“n”是第三个字母。故选B。 10．One and six is ________. A．eight B．eighth C．seven D．seventh 【答案】C 【详解】句意：1加6等于7。 考查数字运算及数词词义辨析。seven七，基数词 ；eight八，基数词；eighth第八，序数词；seventh第七 ，序数词。“one and six”是1加 6，结果是7，这里用基数词表示结果，故选C。 11．Mother’s Day is on _______ Sunday in May. On that day, it will be my mum’s _______ birthday. A．second; fortieth B．second; forty C．the second; fortieth D．the second; forty 【答案】C 【详解】句意：母亲节在五月的第二个星期日。在那天，将是我妈妈的四十岁生日。 考查序数词和基数词的用法。second第二；fortieth第四十；forty四十；the second第二。根据“Mother’s Day is on...Sunday in May.”可知，此处要用序数词，且前面要加“the”；根据“it will be my mum’s...birthday”可知，描述生日时要用序数词来表示是第几个生日，第二空用fortieth。故选C。 12．_________ students take part in the activity to make our city more beautiful. A．Hundreds of B．Hundred C．Hundreds D．Five hundreds of 【答案】A 【详解】句意：数百名学生参加了这项活动，让我们的城市变得更加美丽。 考查大数的表达。hundred“百”，前面有具体数词时，hundred用单数形式，不和of连用；反之，hundred前面无具体数词时，hundred用复数形式，和of连用。分析句子可知，空处应是hundreds of。故选A。 13．A year has ________ months, and December is the ________ month. A．twelve; twelve B．twelve; twelfth C．twelfth; twelve D．twelfth; twelfth 【答案】B 【详解】句意：一年有12个月，十二月是第12个月。 考查数词。twelve十二，基数词；twelfth第十二，序数词。根据“A year has...months, and December is the...month.”可知，第一空表示“12个月”，需用基数词“twelve”表示数量；第二空表示“第12个月”，需用序数词“twelfth”表示顺序。故选B。 14．Today is my cousin’s ________ birthday. He is ________ now. A．eight; eighth B．eighth; eight C．eighth; eighth 【答案】B 【详解】句意：今天是我堂弟的八岁生日。他现在八岁。 考查数词的用法。eight八，基数词；eighth第八，序数词。第一个空填序数词eighth“第八”，表示八岁生日；第二个空填基数词eight“八”，表示八岁。故选B。 15．There are ________ people in this city now, and ________ the people in other places want to live here, too. A．millions of; two million B．million of; two millions C．millions of; two million of D．million of; two millions of 【答案】C 【详解】句意：现在这个城市有数百万人，其他地方也有200万人想住在这里。 考查million的用法。当million前有具体数字时，不加s，当无具体数字时，用结构millions of。空一前无具体数字，用millions of；根据“the people in other places”可知表示其他城市的人中有两百万，应用of结构。故选C。 16．—Students in our school donated________ books to the mountain area last month. —That’s so kind of them! These books will bring more knowledge to the kids there. A．two hundreds B．two hundred of C．two hundreds of D．hundreds of 【答案】D 【详解】 句意：——上个月我们学校的学生给山区捐赠了上百本书。——他们真是太好了！这些书将给那里的孩子们带来更多知识。    考查数词用法辨析。two hundreds错误，hundred前有具体数字时，用单数形式，不加“s”；two hundred of错误，two hundred后接名词时，若名词前有限定词（如the, these, those等），需加“of”，即“two hundred of + 限定词 + 名词”；若直接接名词，无需加“of”，应为“two hundred books”；two hundreds of错误。hundred前有具体数字时用单数，不能加“s”；hundreds of表示“成百上千的”，后直接接名词复数，符合句意“捐赠了成百上千本书”。故选D。 17．On her ________ birthday, Alice got a beautiful doll from her friend. A．twelve B．twelfth C．nineth D．nine 【答案】B 【详解】句意：在她十二岁生日时，爱丽丝收到了朋友送的一个漂亮的洋娃娃。 考查序数词。twelve十二；twelfth第十二；nine九。表示“第几岁生日”要用序数词，排除AD；nine的序数词是ninth，排除C。故选B。 18．—How old is your daughter? —________. We had a surprise party for her ________ birthday last Sunday. A．Twentieth; twentieth B．Twentieth; twenty C．Twenty; twentieth D．Twenty; twenty 【答案】C 【详解】句意：——你女儿多大了？——二十。上周日我们为她二十岁生日举办了一个惊喜派对。 考查数词。twenty二十，基数词；twentieth第二十，序数词。年龄用基数词，第二个空表达“第二十个生日”用序数词，故选C。 19．—Why is Jenny so happy? —Because today is her ________ wedding anniversary (结婚纪念日). A．the fifth B．fifth C．five 【答案】B 【详解】句意：——珍妮为什么这么高兴？——因为今天是她的结婚五周年纪念日。 考查数词。the fifth第五；fifth第五；five五。根据“wedding anniversary (结婚纪念日)”可知，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B。 20．— Excuse me, can you read the number “________” in English? — Of course. Seven million, three hundred and twenty-eight thousand. A．7,328 B．7,328,000 C．7,000,328 【答案】B 【详解】句意：——打扰一下，你能用英文读一下数字“7,328,000”吗？——当然。七百三十二万八千。 考查数字表达。7,328读作seven thousand three hundred and twenty-eight；7,328,000读作seven million, three hundred and twenty-eight thousand；7,000,328读作seven million, three hundred and twenty-eight。故选B。 21．________ people went to watch the football match yesterday evening. A．Ten thousands of B．Ten thousand C．Thousands D．Ten thousands 【答案】B 【详解】句意：昨晚有一万人去观看了足球比赛。 考查数词表达。thousand“千”，表示具体数字时，不加-s，也不与of连用；表达概数时，需加-s，且与of连用。结合选项可知，此处表示具体数字，B选项表述正确。故选B。 22．There are ________ books on the desk and the ________ book is about the history of Vairo. A．five; five B．fifth; fifth C．five; fifth D．fifth; five 【答案】C 【详解】句意：桌子上有五本书，而且第五本书是关于瓦伊罗的历史。 考查数词。five五，基数词；fifth第五，序数词。根据“books”可知，空处①需要数量词来修饰，因此five符合句意；根据“the…book is about the history of Vairo”可知，空处②指的是第五本书，需要序数词，因此fifth符合句意。故选C。 23．______ people watched the World Cup final. Some reports said it reached ______ viewers. A．Million of; ten millions B．Millions; ten millions C．Millions of; ten million D．Millions; ten million of 【答案】C 【详解】句意：数百万人观看了世界杯决赛。一些报道称，它的观众达到了1000万。 考查数词用法。million“百万”，在表示概数时常用millions of“数百万的”，在表示确数时不变复数。故选C。 24．Next Sunday is my son’s ________ birthday. I want to buy him a present. A．the twelfth B．twelve C．twelfth D．the twelve 【答案】C 【详解】句意：下周日是我儿子12周岁的生日，我想给他买个礼物。 考查序数词。twelfth第十二，序数词；twelve十二，基数词。表示“某人的第几个生日”用序数词，前面有形容词性物主代词my时，不用定冠词the，故选C。 25．There are ________ floors in the building. My home is on the ________ floor. A．twenty; twelfth B．twentieth; twelve C．twentieth; twelfth D．twenty; twelve 【答案】A 【详解】句意：这栋楼有二十层，我家住在十二楼。 考查数词。根据“floors”可知，第一个空表达的是数量，英语用基数词表达数量，所以第一空应填基数词twenty；再由“the...floor”可知，第二空表达的是“第十二层”，英语中表达顺序用序数词，且空格前有定冠词the修饰，所以第二空用序数词twelfth。故选A。 26．—How many books are there on the shelf? —About ________. A．four hundred B．four hundreds C．four hundred of D．four hundreds of 【答案】A 【详解】句意：——书架上有几本书？——大约有400本书。 考查数字的表达法。具体的数字与“hundred”连用时，“hundred”不加“s”，且不与“of” 连用，其结构为：具体数字+ hundred。故选A。 27．The old man began to learn English in his ________. A．fifty B．fifties C．fiftieth D．the fiftieth 【答案】B 【详解】句意：这位老人在他五十多岁的时候开始学习英语。 考查数词用法。fifty五十，基数词；fifties五十多岁，in one’s fifties表示“在某人五十多岁”；fiftieth第五十，序数词；the fiftieth表示“第五十个”。根据“The old man began to learn English in his…”可知，此处说的是在他五十多岁的时候，in one’s+整十的复数，表示“在某人……多岁的时候”，应用fifties。故选B。 28．My sister is in ________ grade. A．three B．third C．the third 【答案】C 【详解】句意：我妹妹在3年级。 考查数词。three三；third第三。“在某个年级”要用“in the + 序数词 + grade”，故选C。 29．This is her ________ birthday and she is ________. A．fifteenth; fifteen B．fifteen; fifteenth C．fifteen; fifteen 【答案】A 【详解】句意：这是她的十五岁生日，她十五岁了。 考查数词。fifteen十五；fifteenth第十五。根据第一空后面的名词“birthday”可知，该空需填序数词fifteenth以表达第十五个生日；第二个句子要表达“她” (今年) 15岁，因此用基数词“fifteen”。故选A。 30．The Spring Festival of 2025 is on January ________. A．twentieth ninth B．twentieth nine C．twenty-ninth D．twentieth-nine 【答案】C 【详解】句意：2025年的春节是1月29日。 考查日期的表达方式。正确的表达日期的方式是使用序数词，强调具体日期“29日”应为序数词“twenty-ninth”。故选C。 二、单词拼写(本大题共20小题，每小题2分，共40分) 31．Wednesday is the (four) day of a week in Western culture. 【答案】fourth 【详解】句意：星期三在西方文化中是一周的第四天。four“四”，基数词；根据“Wednesday is the...day of a week”可知，此处指星期三是一周的第四天，应用序数词fourth“第四”表示顺序。故填fourth。 32．This is my (two) time to visit Qinhuangdao. There are a lot of beautiful beaches in it. 【答案】second 【详解】句意：这是我第二次来秦皇岛。这里有很多美丽的海滩。根据“This is my…(two) time to visit Qinhuangdao.”可知，此处表示“第二次来秦皇岛”，应该用序数词表示顺序，two的序数词是second“第二”。故填second。 33．In the (seventeen) century, the first pioneers from England arrived in America. 【答案】seventeenth 【详解】句意：在第十七世纪，英国的第一批拓荒者来到美国。在单数名词century的前面用序数词表示第几世纪。故填seventeenth。 34．March is the month of a year. We celebrate Women’s Day this month. (three) 【答案】third 【详解】句意：三月是一年中的第三个月。我们在这个月庆祝妇女节。根据“We celebrate Women’s Day this month.”可知，妇女节在三月，因此空格处应填序数词“第三”，英文是third，故填third。 35．Tomorrow is Linda’s (twelve) birthday. 【答案】twelfth 【详解】句意：明天是Linda的十二岁生日。twelve“十二”，基数词，空处修饰名词单数形式birthday，用序数词twelfth“第十二”，表示顺序。故填twelfth。 36．We often have Chinese class at ten to (fifteenth). 【答案】fifteen 【详解】句意：我们经常在14:50上语文课。fifteenth“第十五”，序数词。此处指“差10分到15点”，时间表达为：ten to fifteen，故fifteenth用其基数词形式。故填fifteen。 37．The (nine) lesson is more difficult than any others. 【答案】ninth 【详解】句意：第九课比其他任何一课都难。nine“九”，基数词。lesson是单数，故此处指第九课，需用序数词ninth“第九”表顺序。故填ninth。 38．Jack is busy preparing for a party to celebrate his sister’s (eleven) birthday. He wants to give her a big surprise. 【答案】eleventh 【详解】句意：杰克正忙着准备一个派对来庆祝他妹妹的十一岁生日。他想给她一个大惊喜。根据“Jack is busy preparing for a party to celebrate his sister’s...birthday.”可知，表示顺序，即“第几个生日”，因此需要用序数词。基数词“eleven”对应的序数词是“eleventh”。故填eleventh。 39．Toni Morrison is considered as one of the best writers of the (twenty) century. 【答案】twentieth 【详解】句意：托妮·莫里森被认为是第二十世纪最优秀的作家之一。“第几世纪”可以用“定冠词+序数词+century”表示，空处应是twenty的序数词形式，故填twentieth。 40．December 20th, 2024 marks the anniversary (周年) of Macao’s return to China. (twenty-five) 【答案】twenty-fifth 【详解】句意：2024年12月20日是澳门回归中国的二十五周年。根据“anniversary (周年) of Macao’s return to China”可知，此处指第二十五周年，应该用序数词。故填twenty-fifth。 41．Snoopy, a cute dog, celebrated his (sixty) birthday in 2010. 【答案】sixtieth 【详解】句意：史努比，一只可爱的小狗，在2010年庆祝了他的六十岁生日。根据“Snoopy, a cute dog, celebrated his ... birthday in 2010.”以及英文提示可知，此处表示“第六十个生日”，应用序数词表示顺序。sixty“六十”的序数词是sixtieth。故填sixtieth。 42．Joe broke his leg on the day of the holiday and couldn’t walk.  (five) 【答案】fifth 【详解】句意：Joe在假期的第五天摔断了腿，无法行走。空格前有定冠词the，说明需要填入序数词，表示顺序，“five"对应的序数词是“fifth”，固定用法：“the + 序数词 + day”表示“第……天”。故填fifth。 43．We are preparing for my grandpa’s (ninety) birthday party. 【答案】ninetieth 【详解】句意：我们正在为爷爷的九十大寿做准备。根据“my grandpa’s...(ninety) birthday party”可知，爷爷的九十大寿，即爷爷的第90个生日，空处应是序数词ninetieth。故填ninetieth。 44．The office is on the (eight) floor. Let’s take the lift. 【答案】eighth 【详解】句意：办公室在八楼。咱们乘电梯吧。 根据“The office is on the…floor.”可知，这里需要用序数词来表示“第八层”，eight是基数词，其序数词形式eighth符合语境。故填eighth。 45．She received many gifts on her birthday last month.（forty） 【答案】fortieth 【详解】句意：上个月她在四十岁生日时收到了许多礼物。“birthday”表示“生日”，此处指“第四十个生日”，需用序数词。基数词“forty”的序数词形式为“fortieth”，表示“第四十”。故填fortieth。 46．Today is his birthday, so we’re having a party.(eight) 【答案】eighth 【详解】句意：今天是他的八岁生日，所以我们正在举行一个派对。eight:八，是基数词，强调数量，常修饰可数名词复数。空格后面是可数名词单数birthday:生日，前面有形容词性物主代词his:他的，推测此处用序数词，表示顺序，eight的序数词eighth，第八，强调顺序。故填eighth。 47．Lucy’s mother has just celebrated her birthday, but she is still dreaming of going to university. (fifty-nine) 【答案】fifty-ninth 【详解】句意：露西的妈妈刚刚庆祝了她的五十九岁生日，但她仍然梦想着上大学。空处修饰名词birthday，用序数词fifty-ninth“第五十九”，作定语。故填fifty-ninth。 48．“Dear, you’ve just had the try,” said Mother. “Take a rest now.” (thirty) 【答案】thirtieth 【详解】句意：“亲爱的，你已经试了第三十次了，”妈妈说。“现在休息一下吧。”此处作定语修饰“try”，用序数词thirtieth，故填thirtieth。 49．The century is an age of information. (twenty-one) 【答案】21st/twenty-first 【详解】句意：21世纪是信息时代。在英语中，第几世纪的表达需使用序数词，twenty-one为基数词“21”，对应的序数词为“twenty-first”或简写为“21st”。故填21st/twenty-first。 50．It’s my (eighteen) birthday today, and I need to act as an adult from now on. 【答案】eighteenth 【详解】句意：今天是我十八岁生日，从现在起我需要像个成年人一样行事。eighteen“十八”。根据“It’s my...birthday today”可知，空格处需填入序数词作定语，修饰“birthday”。故填eighteenth。 试卷第1页，共3页 试卷第1页，共3页 学科网（北京）股份有限公司 $$ 班级 姓名 学号 分数 Unit 2 Amazing numbers 基数词和序数词 （时间：60分钟，满分：100分） 基数词的用法 (1)当hundred, thousand, million, billion等和of连用，表示粗略的数目时,须用复数。如hundreds of people数以百计的人; 但如果hundred, thousand, million, billion等词前有具体数词或several时，须用单数six hundred people 600人. (2)表示“几十年代”或“几十岁”时，用逢十的基数词的复数。如： in the thirties在30年代 in his fifties在他50多岁时 (3)与基数词合成的复合形容词，其中的名词用单数。如： a three-month-old baby三个月大的婴儿 a five-year plan一个五年计划 序数词 序数词一般以与之相应的基数词加词尾-th构成，但要注意一些特殊形式。 （一）阿拉伯数字基数词序数词序数词缩略式 1 one first 1st 2 two second 2nd 3 three third 3rd 5 five fifth 5th 8 eight eighth 8th 9 nine ninth 9th 12 twelve twelfth 12th 20 twenty twentieth 20th 21 twenty-one twenty-first 21st 22 twenty-two twenty-second 22nd 23 twenty-three twenty-third 23 rd （二）特别提示 1、以y结尾的基数词构成序数词时，先把y变为ie, 再加-th。 2、几十几及以上的序数词，其中十位数或百位数、千位数等用基数词，只有个位数才用序数词。如： 128th: one hundred and twenty-eighth 752nd: seven hundred and fifty-second 3、hundred, thousand, million的序数词均在基数词后加-th构成，hundredth, thousandth, millionth 基数词与序数词对照表 (0-100+ 核心词) 数字 基数词 (Cardinal) 序数词 (Ordinal) 序数词缩写 特殊规则 0 zero / oh — — — 1 one first 1st 不规则 2 two second 2nd 不规则 3 three third 3rd 不规则 4 four fourth 4th 5 five fifth 5th ve→f+th 6 six sixth 6th 7 seven seventh 7th 8 eight eighth 8th 加 h 9 nine ninth 9th 去 e 10 ten tenth 10th 11 eleven eleventh 11th 12 twelve twelfth 12th ve→f+th 13 thirteen thirteenth 13th 20 twenty twentieth 20th y→i+eth 21 twenty-one twenty-first 21st 个位变序数 30 thirty thirtieth 30th y→i+eth 40 forty (非 fourty) fortieth 40th y→i+eth 50 fifty fiftieth 50th y→i+eth 100 one hundred hundredth 100th 1,000 one thousand thousandth 1,000th 1、 单项选择(本大题共30小题，每小题2分，共60分) 1．— How do you read 10, 206 in English? — It is ________. A．one thousand two hundred and six B．one thousand two hundreds and six C．ten thousand two hundred and six D．ten thousands two hundreds and six 2．Today is Jack’s birthday. It’s his ________ birthday. A．twelve B．twelveth C．twelfth D．twenty 3．Nanjing is the capital of Jiangsu. Over ________ people live in this beautiful city. A．9 millions B．9 millions of C．9 million of D．9 million 4．It’s reported that people throw ________ plastic bags every day. A．hundred B．hundreds C．hundred of D．hundreds of 5．There are ________ months in a year, and April is the ________ month of the year. A．twelfth; fourth B．twelfth; four C．twelve; four D．twelve; fourth 6．My grandma told me the number “9” stands for “Long lasting”. So I chose the ________ floor to live on. A．nine B．eighth C．ninth D．eight 7．Wednesday is ________ day in a week. A．four B．fourth C．the fourth 8．The number 620,508 should be read ________. A．six hundred and twenty thousands and five hundreds and eight B．six hundred and twenty thousand, five hundred and eight C．six hundred and twenty thousand and five hundred and eight D．six hundred, twenty thousand, five hundred and eight 9．The _________ letter in the word “century” is “n”. A．second B．third C．fifth 10．One and six is ________. A．eight B．eighth C．seven D．seventh 11．Mother’s Day is on _______ Sunday in May. On that day, it will be my mum’s _______ birthday. A．second; fortieth B．second; forty C．the second; fortieth D．the second; forty 12．_________ students take part in the activity to make our city more beautiful. A．Hundreds of B．Hundred C．Hundreds D．Five hundreds of 13．A year has ________ months, and December is the ________ month. A．twelve; twelve B．twelve; twelfth C．twelfth; twelve D．twelfth; twelfth 14．Today is my cousin’s ________ birthday. He is ________ now. A．eight; eighth B．eighth; eight C．eighth; eighth 15．There are ________ people in this city now, and ________ the people in other places want to live here, too. A．millions of; two million B．million of; two millions C．millions of; two million of D．million of; two millions of 16．—Students in our school donated________ books to the mountain area last month. —That’s so kind of them! These books will bring more knowledge to the kids there. A．two hundreds B．two hundred of C．two hundreds of D．hundreds of 17．On her ________ birthday, Alice got a beautiful doll from her friend. A．twelve B．twelfth C．nineth D．nine 18．—How old is your daughter? —________. We had a surprise party for her ________ birthday last Sunday. A．Twentieth; twentieth B．Twentieth; twenty C．Twenty; twentieth D．Twenty; twenty 19．—Why is Jenny so happy? —Because today is her ________ wedding anniversary (结婚纪念日). A．the fifth B．fifth C．five 20．— Excuse me, can you read the number “________” in English? — Of course. Seven million, three hundred and twenty-eight thousand. A．7,328 B．7,328,000 C．7,000,328 21．________ people went to watch the football match yesterday evening. A．Ten thousands of B．Ten thousand C．Thousands D．Ten thousands 22．There are ________ books on the desk and the ________ book is about the history of Vairo. A．five; five B．fifth; fifth C．five; fifth D．fifth; five 23．______ people watched the World Cup final. Some reports said it reached ______ viewers. A．Million of; ten millions B．Millions; ten millions C．Millions of; ten million D．Millions; ten million of 24．Next Sunday is my son’s ________ birthday. I want to buy him a present. A．the twelfth B．twelve C．twelfth D．the twelve 25．There are ________ floors in the building. My home is on the ________ floor. A．twenty; twelfth B．twentieth; twelve C．twentieth; twelfth D．twenty; twelve 26．—How many books are there on the shelf? —About ________. A．four hundred B．four hundreds C．four hundred of D．four hundreds of 27．The old man began to learn English in his ________. A．fifty B．fifties C．fiftieth D．the fiftieth 28．My sister is in ________ grade. A．three B．third C．the third 29．This is her ________ birthday and she is ________. A．fifteenth; fifteen B．fifteen; fifteenth C．fifteen; fifteen 30．The Spring Festival of 2025 is on January ________. A．twentieth ninth B．twentieth nine C．twenty-ninth D．twentieth-nine 二、单词拼写(本大题共20小题，每小题2分，共40分) 31．Wednesday is the (four) day of a week in Western culture. 32．This is my (two) time to visit Qinhuangdao. There are a lot of beautiful beaches in it. 33．In the (seventeen) century, the first pioneers from England arrived in America. 34．March is the month of a year. We celebrate Women’s Day this month. (three) 35．Tomorrow is Linda’s (twelve) birthday. 36．We often have Chinese class at ten to (fifteenth). 37．The (nine) lesson is more difficult than any others. 38．Jack is busy preparing for a party to celebrate his sister’s (eleven) birthday. He wants to give her a big surprise. 39．Toni Morrison is considered as one of the best writers of the (twenty) century. 40．December 20th, 2024 marks the anniversary (周年) of Macao’s return to China. (twenty-five) 41．Snoopy, a cute dog, celebrated his (sixty) birthday in 2010. 42．Joe broke his leg on the day of the holiday and couldn’t walk.  (five) 43．We are preparing for my grandpa’s (ninety) birthday party. 44．The office is on the (eight) floor. Let’s take the lift. 45．She received many gifts on her birthday last month.（forty） 46．Today is his birthday, so we’re having a party.(eight) 47．Lucy’s mother has just celebrated her birthday, but she is still dreaming of going to university. (fifty-nine) 48．“Dear, you’ve just had the try,” said Mother. “Take a rest now.” (thirty) 49．The century is an age of information. (twenty-one) 50．It’s my (eighteen) birthday today, and I need to act as an adult from now on. 试卷第1页，共3页 试卷第1页，共3页 学科网（北京）股份有限公司 $$